HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte
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- HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 1
HP ProBook 6545b Notebook PC, HP ProBook 6540b Notebook PC, HP ProBook 6445b Notebook PC, and HP ProBook 6440b Notebook PC Maintenance and Service Guide Document Part Number: 570786-002 January 2010 This guide is a troubleshooting reference used for maintaining and servicing the computer. It - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 2
of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Core are U.S. registered trademarks of Intel Corporation. Java is a U.S. trademark of Sun Microsystems, Inc. Microsoft, Windows, and Windows Vista are - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 3
surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 4
components 2-2 Display components 2-2 Keys 2-3 Pointing devices 2-5 Buttons and fingerprint reader 2-6 Lights 2-8 Front components 2-12 parts catalog Service tag 3-1 Computer major components 3-2 Cable Kit 3-17 Display assembly subcomponents 3-18 Mass storage devices 3-20 Plastics - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 5
replacement procedures 4-5 Service tag 4-5 Computer feet 4-6 Battery 4-7 SIM 4-8 Bluetooth module 4-9 Mass storage device 4-11 Expansion memory module 4-14 WLAN module 4-16 WWAN module 4-19 Optical drive 4-21 Keyboard 4-23 Primary memory module 4-27 RTC battery 4-29 Switch cover 4-30 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 6
6-6 System DMA specifications 6-7 System memory map specifications 6-7 System interrupt specifications 6-8 System I/O 10 Phillips PM2.5×9.0 captive screw 7-14 Slotted Torx T8M2.5×11.0 screw 7-15 Phillips PM2.0×5.0 screw 7-17 Hex HM5.0×10.0 screw lock 7-18 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 7
monitor 9-2 RJ-45 (network 9-3 RJ-11 (modem 9-3 Serial 9-4 Universal Serial Bus 9-4 10 Power cord set requirements Requirements for all countries and regions 10-1 Requirements for specific countries and regions 10-2 11 Recycling Battery 11-1 Display 11-1 Index vii Maintenance and Service - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 8
2.80-GHz; 6-MB L3 cache, 8 threads, 45W) ■ Intel Core i7 620M 9 9 2.66-GHz processor (turbo up to 3.33-GHz; 4-MB L3 cache, 4 threads, 35 W) ■ Intel Core i5 540M 9 9 2.53-GHz processor (turbo up to 3.06-GHz; 3-MB L3 cache, 4 threads, 35W) (Continued) Maintenance and Service Guide 1-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 9
cache, 4 threads, 35W) ■ Intel Core i5 330M 2.13-GHz processor (turbo up to 2.33-GHz; 3-MB L3 cache, 4 threads, 35W) Northbridge: AMD RS880M HP ProBook 6545b Notebook PC 9 HP ProBook 6540b Notebook PC 9 9 9 9 HP ProBook 6445b Notebook PC 9 HP ProBook 6440b Notebook PC 9 9 9 9 Southbridge: AMD - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 10
Product description Category Description HP ProBook 6545b HP ProBook 6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC Panel (continued) ■ 14.0-in, HD, LED, AntiGlare (1366×768) with webcam and 2 WWAN antennas 9 9 ■ 14.0-in, HD, LED, AntiGlare (1366× - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 11
Webcam Modem Ethernet Description Single screw removal HP ProBook 6545b HP ProBook 6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC 9 9 9 9 Customer-accessible 9 9 9 9 Supports 12.7-mm, optical drives 9 9 9 9 Supports no drive option in - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 12
Product description Category Wireless External media cards Docking Description HP ProBook 6545b HP ProBook 6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC Integrated wireless local-area 9 9 9 9 network (WLAN) options via half MiniCard: ■ 2 WLAN - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 13
6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC Ports 1394a 9 9 9 9 Accessory battery connector 9 9 9 9 DisplayPort (Dsub 15-pin) 9 9 9 9 supporting 1600 × 1200 external resolution at 75 Hz Docking connector 9 9 9 9 Multi-pin AC - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 14
system Product description Description HP ProBook 6545b HP ProBook 6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC Security cable slot 9 9 9 9 Trusted platform module 9 9 9 9 (TPM) 1.2 and TPM enhanced drive lock Optional HP fingerprint - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 15
system (continued) Serviceability Description HP ProBook 6545b HP ProBook 6540b HP ProBook 6445b HP ProBook 6440b Notebook PC Notebook PC Notebook PC Notebook PC Restore media (DRDVD): 9 9 9 9 ■ Windows 7 DRDVD with Windows DVD ■ Windows 7 DRDVD without Windows DVD ■ Windows - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 16
more information. For Windows XP: 1. Select Start > My Computer. 2. In the left pane of the System Tasks window, click View system information. 3. Select Hardware tab > Device Manager. You can also add hardware or modify device configurations using Device Manager. Maintenance and Service Guide 2-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 17
with wireless local area networks (WLAN). (4) Webcam light (select models only) On: The webcam is in use. (5) Webcam (select models only) Records audio and video and captures still photographs. (6) Internal display switch Turns off the display or initiates the Sleep state (Windows 7 and Windows - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 18
a function key or the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Can be used like the keys on an external numeric keypad. Execute frequently used system functions when pressed in combination with the fn key. Maintenance and Service Guide 2-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 19
a function key or the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Can be used like the keys on an external numeric keypad. Execute frequently used system functions when pressed in combination with the fn key. 2-4 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 20
*This table describes factory settings. To view or change pointing device preferences: ■ In Windows 7 and Windows Vista: Select Start > Control Panel > Hardware and Sound > Mouse. ■ In Windows XP: Select Start > Control Panel > Printers and Other Hardware > Mouse. Maintenance and Service Guide 2-5 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 21
When the computer is off, press the button to open HP QuickWeb. ■ When the computer is on, press the button to open the default Web browser. Turns the wireless feature on or off but does not establish a wireless connection. Mutes and restores speaker sound. (Continued) Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 22
Calculator button (select models only) Opens the Windows calculator feature. (9) Fingerprint reader Allows a fingerprint logon to Windows, instead of a password logon. Item Component (1) Power button (2) QuickLook button Maintenance and Service Guide Description ■ When the computer is off, press - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 23
), and/or a Bluetooth device, is on. ■ Amber: All wireless devices are off. ■ On: The computer is on. ■ Blinking: The computer is in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP). ■ Off: The computer is off or in Hibernation. (Continued) 2-8 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 24
off. (10) Volume down light Blinking: The volume down button is being used to decrease the speaker volume. (11) Volume up light Blinking: The volume up button is being used to increase the speaker volume. (12) Calculator light On: The Windows calculator function is on. *The 2 wireless lights - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 25
), and/or a Bluetooth device, is on. ■ Amber: All wireless devices are off. ■ On: The computer is on. ■ Blinking: The computer is in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP). ■ Off: The computer is off or in Hibernation. (Continued) 2-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 26
computer are fully charged. If the computer is not plugged into an external power source, the light stays off until the battery reaches a low battery level. (4) Drive light ■ Blinking turquoise: The hard drive or optical drive (select models only) is being accessed. ■ Amber: HP 3D DriveGuard has - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 27
or a Bluetooth device, is on. ■ Amber: All wireless devices are off. ■ On: The computer is on. ■ Blinking: The computer is in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP). ■ Off: The computer is off or in Hibernation. ■ Amber: A battery is charging. ■ Turquoise: A battery is - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 28
Card (adapter required) ■ xD-Picture Card Supports an optical drive or a hard drive. Connects an optional USB device. Connects an optional IEEE 1394 or 1394a device, such as a camcorder. Connects an optional device such as a serial modem, mouse, or printer. Maintenance and Service Guide 2-13 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 29
■ MultiMediaCard Plus ■ Secure Digital (SD) Memory Card ■ Secure Digital (SD) High Capacity Memory Card ■ micro Secure Digital (SD) Memory Card (adapter required) ■ xD-Picture Card Supports an optical drive or a hard drive. Connects an optional USB device. Connects an optional IEEE 1394 or 1394a - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 30
internal fan to cycle on and off during routine operation. Connects an optional digital display device such as a high-performance monitor or projector. Connect optional USB devices. Supports optional ExpressCards. Connects an optional computer headset microphone, stereo array microphone, or monaural - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 31
fan to cycle on and off during routine operation. Connects an optional digital display device such as a high-performance monitor or projector. Connect optional USB devices. Supports optional smart cards and Java™ Cards. Connects an optional computer headset microphone, stereo array microphone, or - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 32
Connects an external VGA monitor or projector. Connects an AC adapter. Item (1) (2) (3) Component RJ-45 (network) jack External monitor port Power connector Description Connects a network cable. Connects an external VGA monitor or projector. Connects an AC adapter. Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 33
(10) Bluetooth compartment Description Holds the battery. Contains a wireless subscriber identity module (SIM) (select models only). The SIM slot is located inside the battery bay. Releases the battery from the battery bay. Connects an optional docking device. Connects an optional accessory battery - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 34
, provide the computer serial number and model number provided on the service tag. Item (1) (2) (3) Component Product name Serial number (s/n) a service technician determine what components and parts are needed. This is the alphanumeric identifier used to locate documents, drivers, and support for - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 35
Illustrated parts catalog Computer major components 3-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 36
use only with HP Compaq 6540b computer functionality 593995-001 ■ 15.6-in, HD, LED, BrightView display assembly for use only with computer models equipped with a webcam and WWAN functionality (includes 2 WWAN antenna transceivers and cables) 594001-001 (Continued) Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 37
WWAN functionality 15.6- functionality 593997-001 For use only with HP only with HP Compaq 6440b computer models: with WWAN functionality but not equipped with WWAN functionality ■ 14.0-in, WWAN functionality (includes with WWAN functionality but not equipped with WWAN functionality 594008-001 ■ - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 38
Compaq 6545b computer models 583268-001 For use only with HP Compaq 6445b computer models 583267-001 For use only with HP Compaq 6540b and 6440b computer models 593838-001 Keyboard (includes keyboard cable): For use only with HP Compaq 6545b and 6540b computer models equipped with a pointing - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 39
Illustrated parts catalog Item (4) Description Spare part number Keyboard (continued): For use only with HP Compaq 6545b and 6540b computer models equipped with a pointing stick: ■ For use Netherlands 583293-B31 ■ For use in Norway 583293-091 (Continued) 3-6 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 40
use in Latin America 584233-161 ■ For use in the United States 584233-001 For use only with HP Compaq 6440b computer models equipped with a pointing stick: ■ For use in Belgium 584233-A41 ■ For use in -B31 ■ For use in Norway 584233-091 (Continued) Maintenance and Service Guide 3-7 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 41
Illustrated parts catalog Item (4) Description Spare part number Keyboard (continued): For use only with HP Compaq 6440b computer models equipped with a pointing stick: ■ For use in Portugal 584233-131 251 ■ For use in Saudi Arabia 583292-171 (Continued) 3-8 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 42
fingerprint reader board and cable) Fan Heat sink (includes replacement thermal material): For use only with HP Compaq 6545b and 6445b computer models For use only with HP Compaq 6540b and 6440b computer models equipped with discrete graphics subsystem memory For use only with HP Service Guide 3-9 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 43
6540b computer models For use only with HP Compaq 6445b computer models For use only with HP Compaq 6440b computer models Includes: ExpressCard slot bezel Mass storage device cover Memory module compartment cover Bluetooth module compartment cover Wireless module compartment cover Optical drive slot - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 44
HP Compaq 6540b and 6440b computer models: ■ Intel Core i7 720QM 1.60-GHz processor (turbo up to 2.80-GHz; 6-MB L3 cache, 8 threads, 45W) ■ Intel Core i7 620M 2.66-GHz processor (turbo up to 3.33-GHz; 4-MB L3 cache, 4 threads, 35 W) ■ Intel Core i5 540M 2.53-GHz ) Maintenance and Service Guide 3-11 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 45
"Cable Kit" on page 3-17 for more Cable Kit spare part information. Speaker assembly (includes cable): For use only with HP Compaq 6545b and 6540b computer models 583283-001 For use only with HP Compaq 6445b and 6440b computer models 583284-001 (Continued) 3-12 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 46
with HP Compaq 6440b computer models Spare part number 583257-001 583261-001 593839-001 603190-001 593841-001 603192-001 593840-001 603191-001 593842-001 603193-001 583252-001 593873-001 583277-001 593872-001 583960-001 593870-001 583961-001 593871-001 (Continued) Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 47
computer models 583270-001 For use only with HP Compaq 6440b computer models 598206-001 Latch Kit (not illustrated, includes battery eject arm, latch, and spring) 583239-001 Rubber Kit (not illustrated, includes 7 rubber feet, 2 base enclosure screw covers, and 8 display bezel screw covers - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 48
, Tuvalu, Uganda, Ukraine, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 518434-002 (Continued) Maintenance and Service Guide 3-15 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 49
, Tuvalu, Uganda, Ukraine, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 504593-004 3-16 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 50
65405b computer models For use only with HP Compaq 6445b computer models For use only with HP Compaq 6440b computer models Includes: TouchPad board cable Bluetooth module cable Modem module cable (includes RJ-11 connector) Maintenance and Service Guide Spare part number 583282-001 593853-001 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 51
Illustrated parts catalog Display assembly subcomponents 3-18 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 52
with HP Compaq 6445b computer models equipped with one microphone 583234-001 For use only with HP Compaq 6440b computer models equipped with two microphones 593845-001 For use only with HP Compaq 6440b computer models equipped with one microphone 593846-001 Maintenance and Service Guide 3-19 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 53
devices Item (1) (2) (3) Description Hard drive (includes bracket): 500-GB, 7200-rpm 320-GB, 7200-rpm 250-GB, 7200-rpm 160-GB, 7200-rpm Solid-state drive (includes bracket): 160-GB, 2.5-in solid-state drive-for use only with HP Compaq 6540b and 6440b 583251-001 3-20 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 54
models For use only with HP Compaq 6440b computer models ExpressCard slot bezel Mass storage device cover (includes 2 captive screws) Memory module compartment cover (includes 1 captive screw) Bluetooth module compartment cover (includes 1 captive screw) Wireless module compartment cover (includes - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 55
AC adapter: 90-W HP Smart Adapter for use only with HP Compaq 6545b and 6445b computer models 90-W PFC HP Smart Adapter for use only with HP Compaq 6540b and 6440b computer models 65-W HP Smart Adapter for use only with HP Compaq 6540b and 6440b computer models 90-W PFC HP Smart Adapter Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 56
Description 90-W PFC HP Smart Adapter 65-W HP Smart Adapter for use only with HP Compaq 6540b and 6440b computer models RTC battery for use only with HP Compaq 6540b and 6440b computer models ( , Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe (Continued) Maintenance and Service Guide 3-23 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 57
computer models ❐ 593854-001-For use only with HP Compaq 6440b computer models 90-W PFC HP Smart Adapter for use only with HP Compaq 6540b and 6440b computer models 1024-MB for use only with HP Compaq 6540b and 6440b computer models (1333-MHz, DDR3) (Continued) 3-24 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 58
583235-001 583236-001 583237-001 583238-001 Description 2048-MB for use only with HP Compaq 6540b and 6440b computer models (1333-MHz, DDR3) AMD Sempron M100 1.9-GHz processor for use only with HP Compaq 6545b and 6445b computer models (25W, 512-KB L2 cache, includes replacement thermal material - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 59
models (includes replacement thermal material) System board for use only with HP Compaq 6445b computer models (includes replacement thermal material) Heat sink for use only with HP Compaq 6545b and 6445b computer models (includes replacement thermal material) Fan Switch cover for use only with - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 60
rest for use only with HP Compaq 6445b computer models equipped with a fingerprint reader (includes fingerprint reader board and cable) Palm rest for use only with HP Compaq 6440b computer models not equipped with a fingerprint reader RTC battery for use only with HP Compaq 6545b and 6445b computer - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 61
not equipped with a pointing stick in Hungary (includes keyboard cable) Keyboard for use only with HP Compaq 6440b computer models not equipped with a pointing stick in Slovakia (includes keyboard cable) Keyboard for use only with HP Compaq 6440b computer models not equipped with a pointing stick in - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 62
HP Compaq 6545b and 6540b computer models not equipped with a pointing stick in Slovenia (includes keyboard cable) Keyboard for use only with HP Compaq 6545b and 6540b computer models not equipped with a pointing stick in Israel (includes keyboard cable) (Continued) Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 63
) Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in Germany (includes keyboard cable) Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in France (includes keyboard cable) (Continued) 3-30 Maintenance and Service - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 64
) Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in Slovenia (includes keyboard cable) Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in Israel (includes keyboard cable) (Continued) Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 65
584234-261 584234-281 584234-291 584234-A41 Description Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in Switzerland (includes keyboard cable) Keyboard for use only with HP Compaq 6440b computer models equipped with a pointing stick in Iceland (includes - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 66
stick in Greece (includes keyboard cable) 9-cell, 93-WH battery AMD Athlon II M340 2.2-GHz processor for use only with HP Compaq 6545b and 6445b graphics subsystem memory and replacement thermal material) System board for use only with HP Compaq 6440b computer models equipped with discrete graphics - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 67
models equipped with UMA graphics subsystem memory (includes replacement thermal material) Heat sink for use only with HP Compaq 6540b and 6440b computer models equipped with discrete graphics subsystem memory (includes replacement thermal material) (Continued) 3-34 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 68
not equipped with a webcam or with WWAN functionality 14.0-in, HD, LED, BrightView display assembly for use only with HP Compaq 6440b computer models equipped with WWAN functionality but not a webcam (includes 2 WWAN antenna transceivers and cables) (Continued) Maintenance and Service Guide 3-35 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 69
with a webcam and WWAN functionality (includes 2 WWAN antenna transceivers and cables) Intel Core i5 520M 2.40-GHz processor for use only with HP Compaq 6445b and 6440b computer models (turbo up to 2.93-GHz; 3-MB L3 cache, 4 threads, 35W) Intel Core i5 540M 2.53-GHz processor for use only with - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 70
T8 screwdriver Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures. ✎ As you remove each subassembly from the computer, place the subassembly (and all accompanying screws) away from the work area to - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 71
be affected at all and can work perfectly throughout a normal cycle. Or, the device may function normally for a while, and then degrade in the internal layers, reducing its life expectancy. Ä CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 72
bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box 10% 35,000 charging. When grounding is not possible, use an ionizer to dissipate electric charges. Maintenance and Service Guide 4-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 73
or removing connectors or test equipment. Equipment guidelines Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 74
removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Service service technician determine what components and parts are needed. This is the alphanumeric identifier used to locate documents, drivers, and support - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 75
adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 583280-001. There are 7 rubber feet that attach to the base enclosure in the locations shown in the following illustration. 4-6 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 76
it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. Remove the battery: 1. Turn the computer upside - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 77
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the SIM - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 78
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the accessory - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 79
Bluetooth module 1 by lifting the right side of the module out of the Bluetooth module compartment. 4. Disconnect the Bluetooth module cable 2 from the Bluetooth module. 5. Remove the Bluetooth module 3. Reverse this procedure to install the Bluetooth module. 4-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 80
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 81
device in the mass storage device bay. 6. Grasp the Mylar tab 2 on the mass storage device bracket, and slide the mass storage device 3 to the right to disconnect it from the system board. 7. Remove the mass storage device 4 from the mass storage device bay. 4-12 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 82
a. Remove the four Phillips PM3.0×3.0 screws 1 that secure the mass storage device bracket to the mass storage device. b. Lift the bracket 2 straight up to remove it from the mass storage device. Reverse this procedure to reassemble and install the mass storage device. Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 83
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 84
Removal and replacement procedures 5. Pull away the retention clips 1 on each side of the memory module to release the memory module. (The 3 to prevent incorrect insertion into the memory module slot. Reverse this procedure to install the expansion memory module. Maintenance and Service Guide 4-15 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 85
Removal and replacement procedures WLAN module Description Spare part number 802.11 a/g/n WLAN module: ■ Broadcom 43224 802.11 a/g/n Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 504593-004 4-16 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 86
AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the WLAN module: Ä CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 87
802.11a/g/n WLAN module, the yellow WLAN antenna cable 2 is connected to the middle terminal on the WLAN module. 6. Remove the two Phillips PM2.5×6.0 screws 3 that secure the WLAN module to the system board. (The WLAN module tilts up.) 7. Remove the WLAN module 4 by pulling it away from the slot at - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 88
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the wireless - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 89
and replacement procedures ✎ If the WWAN antennas are not connected to the terminals on the WWAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration. Reverse this procedure to install the WWAN module. 4-20 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 90
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 91
the optical drive with the rear toward you. b. Remove the three Phillips PM2.0×3.0 screws 1 that secure the optical drive bracket to the optical drive. c. Remove the optical drive bracket 2. Reverse this procedure to reassemble and install the optical drive. 4-22 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 92
Removal and replacement procedures Keyboard ✎ The keyboard spare part kit includes a keyboard cable. Keyboard for use in country or region Spare part number Keyboard for use in country or region For use only with HP -141 583293-031 583293-001 (Continued) Maintenance and Service Guide 4-23 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 93
Removal and replacement procedures Keyboard for use in country or region Spare part number Keyboard for use in country or region Spare part number For use only with HP with HP Compaq 6445b and 6440b computer only with HP Compaq 6440b computer models with HP Compaq 6445b and 6440b computer models - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 94
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the keyboard - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 95
the pointing stick cable from the system board. 8. Release the ZIF connector to which the keyboard cable 2 is attached, and then disconnect the keyboard cable from the system board. 9. Remove the keyboard. Reverse this procedure to install the keyboard. 4-26 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 96
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the keyboard - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 97
and replacement procedures Remove the primary memory module: 1. Position the computer with the front toward you. 2. Pull away the retention clips 1 3 to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. 4-28 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 98
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the keyboard - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 99
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the keyboard - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 100
board cable 1 is attached, and then disconnect the LED board cable from the system board. 6. Lift the left and right sides of the switch cover 2 until it detaches from the computer. 7. Remove the switch cover. Reverse this procedure to install the switch cover. Maintenance and Service Guide 4-31 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 101
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the switch - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 102
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 103
rest forward 4 until it detaches from the computer. 8. If the computer is equipped with a fingerprint reader, remove the fingerprint reader board cable from the opening 5 in the top cover. 9. Remove the palm rest. Reverse this procedure to install the palm rest. 4-34 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 104
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 105
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the keyboard - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 106
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 107
of the heat sink 2 until it rests at an angle. 3. Release the heat sink 3 by sliding it up and to the right at an angle. 4. Remove the heat sink. 4-38 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 108
system board each time the heat sink is removed: ❏ Thermal paste is used on the processor 1 and the heat sink section 2 that services services it. ❏ Thermal pads are used on the Southbridge chip 5 and the heat sink section 6 that services it. Replacement thermal material is included with all system - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 109
For use only with HP Compaq 6540b and 6440b computer models: ■ Intel Core i7 720QM 1.60-GHz processor (turbo up to 2.80-GHz; 45W, 6-MB L3 cache, 8 threads) 603011-001 ■ Intel Core i7 620M 2.66-GHz processor (turbo up to 3.33-GHz; 35W, 4-MB L3 cache, 4 threads) 603010-001 ■ Intel Core i5 540M 2.53 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 110
-bladed screwdriver to turn the processor locking screw 1 one-half turn counterclockwise, until you hear a click. 2. Lift the processor 2 straight up and remove it. ✎ When you install the processor, the gold triangle 3 on the processor must be aligned with the triangle 4 embossed on the processor - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 111
(includes 2 WWAN antenna transceivers and cables) ■ 15.6-in, HD, LED, BrightView display assembly for use only with computer models equipped with 594000-001 WWAN functionality but not a webcam (includes 2 WWAN antenna transceivers and cables) (Continued) 4-42 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 112
WWAN functionality For use only with HP Compaq system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 113
the battery (see "Battery" on page 4-7). 5. Disconnect the antenna cables from the WLAN (see "WLAN module" on page 4-16) and WWAN modules (see "WWAN module" on page 4-19). 6. Remove the keyboard (see "Keyboard" on page 4-23). 7. Remove the switch cover (see "Switch cover" on page 4-30). Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 114
the computer display-side up, with the front toward you. 5. Open the computer as far as possible. 6. Disconnect the microphone cable 1 from the system board. 7. Remove the microphone cable from the clips and routing channel 2 built into the top cover. 8. Disconnect the display panel cable 3 from the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 115
antenna cables from the opening in the top cover 1. 10. Remove the wireless antenna cables from the clips 2 and routing channel built into the top cover. Ä CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 116
-001. b. Remove the eight Phillips HP Compaq 6445b computer models not equipped with a webcam ◆ 593849-001-for use only with HP Compaq 6440b computer models equipped with a webcam ◆ 593850-001-for use only with HP Compaq 6440b computer models not equipped with a webcam Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 117
Removal and replacement procedures ✎ When installing the display bezel, it may be necessary with double-sided tape.) b. Disconnect the webcam module cable 2 from the webcam module. c. Remove the webcam module 3. The webcam module is available using spare part number 583219-001. 4-48 Maintenance and - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 118
until it rests upside down in front of the display enclosure. c. Release the support strip 2 and locking bar 3 that secure the display panel cable to the display panel. d. Disconnect the display panel cable 4 from the display panel. e. Remove the display panel. Maintenance and Service Guide 4-49 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 119
Remove HP Compaq 6440b computer models equipped with an HD+ display assembly ◆ 583231-001-for use only with HP Compaq 6445b and 6440b computer models equipped with an HD display assembly ✎ Substeps i and j apply only to HP Compaq 6545b and 6540b computer models. 4-50 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 120
. l. Remove the display hinges 2. The display hinges are available in the Display Hinge Kit, spare part numbers 583232-001 (for use only with HP Compaq 6545b and 6540b computer models) and 583959-001 (for use only with HP Compaq 6445b and 6440b computer models). Maintenance and Service Guide 4-51 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 121
off of the display hinges. The display hinge covers are available in the Display Hinge Kit, spare part numbers 583232-001 (for use only with HP Compaq 6545b and 6540b computer models) and 583959-001 (for use only with HP Compaq 6445b and 6440b computer models). 4-52 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 122
enclosure with double-sided tape.) c. Remove the WLAN antenna transceivers and cables 3. HP Compaq 6440b computer models equipped with an HD+ display assembly ◆ 583231-001-for use only with HP Compaq 6445b and 6440b computer models equipped with an HD display assembly Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 123
with double-sided tape.) c. Remove the WWAN antenna transceivers and cables HP Compaq 6440b computer models equipped with an HD+ display assembly ◆ 583231-001-for use only with HP Compaq 6445b and 6440b computer models equipped with an HD display assembly 4-54 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 124
d. Remove the HP Compaq 6440b computer models equipped with an HD+ display assembly ◆ 583231-001-for use only with HP Compaq 6445b and 6440b computer models equipped with an HD display assembly Reverse this procedure to reassemble and install the display assembly. Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 125
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 126
mass storage device bay) and the five Phillips PM2.0×3.0 screws 2 (in the optical drive and battery bays) that secure the top cover to the base enclosure. 3. Turn the computer right-side up, with the front toward you. ✎ Step 4 applies only to HP Compaq 6545b and 6540b computer models. 4. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 127
and replacement procedures ✎ Step 5 applies only to HP Compaq 6445b and 6440b computer models. 5. Remove the six slotted Torx T8M2.5×7.0 screws 1 and the two slotted Torx T8M2.5×11.0 screws 2 that secure the top cover to the base enclosure. 6. Lift the rear edge 1 of the top cover until it detaches - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 128
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 129
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 130
6445b and 6440b computer models. 1. Disconnect the speaker cable 1 from the ExpressCard assembly. 2. Lift the right side 2 of the ExpressCard assembly to disconnect it from the system board. 3. Remove the ExpressCard assembly 3 by sliding it up and to the right. Maintenance and Service Guide 4-61 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 131
6445b and 6440b computer models. 4. Lift the right side 1 of the ExpressCard assembly to disconnect it from the system board. 5. Remove the ExpressCard assembly 2 by sliding it up and to the right. Reverse this procedure to install the ExpressCard assembly. 4-62 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 132
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 133
modem module to the system board. 2. Lift the right side 2 of the modem module to disconnect it from the system board. 3. Disconnect the modem module cable 3 from the modem module. 4. Remove the modem module. Reverse this procedure to install the modem module. 4-64 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 134
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 135
computer models. See steps 3 through 5 for speaker assembly removal information for HP Compaq 6445b and 6440b computer models. 1. Remove the slotted Torx T8M2.5×7.0 screw 1 that secures the speaker assembly to the base enclosure. 2. Remove the speaker assembly 2. ✎ Steps 3 through 5 apply only to - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 136
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 137
the Bluetooth module cable: 1. Disconnect the Bluetooth module cable 1 from the system board. 2. Remove the Bluetooth module cable from the clips and routing channel 2 built into the base enclosure. Reverse this procedure to install the Bluetooth module cable. 4-68 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 138
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 139
. 3. Lift the left side 3 of the card reader/USB board to release the connectors from the openings in the base enclosure. 4. Remove the card reader/USB board by sliding it up and to the left 4. Reverse this procedure to install the card reader/USB board. 4-70 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 140
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 141
" on page 4-65) n. Card reader/USB board (see "Card reader/USB board" on page 4-69) When replacing the system board, be sure that the following additional components are removed from the defective system board and installed on the replacement system board: ■ SIM (see "SIM" on page 4-8) ■ Expansion - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 142
cable 3 from the system board Removal and replacement procedures 2. Remove the three slotted Torx T8M2.5×7.0 screws 1 and 2 that secure the system board to the base enclosure. The front-most screw 2 is present only on HP Compaq 6545b and 6540b computer models. Maintenance and Service Guide 4-73 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 143
board. The optical drive connector board is available using spare part numbers 583252-001 (for use only with HP Compaq 6545b computer models) and 593873-001 (for use only with HP Compaq 6540b computer models). Reverse this procedure to install the system board. 4-74 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 144
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 145
the serial connector cable 1 from the system board. 2. Remove the two Hex HM5.0×10.0 screw locks 2 that secure the serial connector to the base enclosure. 3. Remove the serial connector 3. Reverse this procedure to install the serial connector and cable. 4-76 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 146
the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 147
the RJ-11 connector 1 from the clip built into the base enclosure. 2. Release the modem module cable from the clips 2 and routing channel built into the base enclosure. 3. Remove the modem module cable 3. Reverse this procedure to install the modem module cable. 4-78 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 148
on-screen instructions. ✎ You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to navigate and make selections in Computer Setup. 2. Press f10 to enter BIOS Setup. 3. Select the File, Security, or System Configuration menu. Maintenance and Service Guide 5-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 149
ESC key for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter BIOS Setup. 3. Use a pointing device or the arrow keys to select File > Restore defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon in the lower-left - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 150
not be supported by your computer. File menu Select System Information Set System Date and Time System Diagnostics Reset BIOS security to batteries in the system. ■ View specification information for the processor, cache and memory size, system ROM, video revision, and keyboard Service Guide 5-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 151
Password Password Policy (requires a BIOS administrator password) HP SpareKey Always Prompt for HP SpareKey Enrollment Fingerprint Reset on Reboot (If Present) Change Password HP SpareKey Enrollment DriveLock Passwords Automatic DriveLock TPM Embedded Security Disk Sanitizer System IDs To do this - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 152
by default). When enabled, USB legacy support allows the following: ❐ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running ❐ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 153
❐ Follow Boot Order ■ Enable/disable the Notebook Upgrade Bay device (enabled by default). ■ Enable/disable the Power Monitor Circuit (enabled by default). ■ Enable/disable the audio devices (enabled by default). ■ Enable/disable the fingerprint device (enabled by default). ■ Enable/disable a modem - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 154
on-screen instructions. ✎ You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to navigate and make selections in Computer Setup. 2. Press f10 to enter BIOS Setup. 3. Select the File, Security, or System Configuration menu. Maintenance and Service Guide 5-7 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 155
ESC key for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter BIOS Setup. 3. Use a pointing device or the arrow keys to select File > Restore defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon in the lower-left - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 156
not be supported by your computer. File menu Select System Information Set System Date and Time System Diagnostics Reset BIOS security to batteries in the system. ■ View specification information for the processor, cache and memory size, system ROM, video revision, and keyboard Service Guide 5-9 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 157
BIOS administrator password) HP SpareKey Always Prompt for HP SpareKey Enrollment Fingerprint Reset on Reboot (If Present) Change Password HP SpareKey Enrollment DriveLock Passwords Automatic DriveLock TPM Embedded Security Disk Sanitizer System and ownership tag. 5-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 158
by default). When enabled, USB legacy support allows the following: ❐ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running ❐ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 159
❐ Follow Boot Order ■ Enable/disable the Notebook Upgrade Bay device (enabled by default). ■ Enable/disable the Power Monitor Circuit (enabled by default). ■ Enable/disable the audio devices (enabled by default). ■ Enable/disable the fingerprint device (enabled by default). ■ Enable/disable a modem - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 160
then follow the on-screen instructions. ✎ You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to navigate and make selections in Computer Setup. 2. Press f10 to enter BIOS Setup. 3. Select the File, Security, or System Configuration menu. To exit Computer - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 161
ESC key for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter BIOS Setup. 3. Use a pointing device or the arrow keys to select File > Restore defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon in the lower-left - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 162
not be supported by your computer. File menu Select System Information Set System Date and Time System Diagnostics Reset BIOS security to batteries in the system. ■ View specification information for the processor, cache and memory size, system ROM, video revision, and keyboard Service Guide 5-15 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 163
Password Password Policy (requires a BIOS administrator password) HP SpareKey Always Prompt for HP SpareKey Enrollment Fingerprint Reset on Reboot (If Present) Change Password HP SpareKey Enrollment DriveLock Passwords Automatic DriveLock TPM Embedded Security Disk Sanitizer System IDs To do this - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 164
by default). When enabled, USB legacy support allows the following: ❐ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running. ❐ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 165
❐ Follow Boot Order ■ Enable/disable the Notebook Upgrade Bay device (enabled by default). ■ Enable/disable the Power Monitor Circuit (enabled by default). ■ Enable/disable the audio devices (enabled by default). ■ Enable/disable the fingerprint device (enabled by default). ■ Enable/disable a modem - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 166
battery, 1024-MB memory, no modem module, no Bluetooth module, no WWAN module, no webcam, and no fingerprint reader 2.64 kg HP ProBook 6445b Notebook PC drive, 2.55-AH battery, 1024-MB memory, no modem module, no Bluetooth module, no WWAN module, no webcam, and no fingerprint reader 2.39 kg 6 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 167
unpressurized) Operating -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 6-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 168
12.24 in 14.06 in 0.279 × 0.279 mm 1366 × 768 RGB vertical stripe LED 80 × 25 4.0 W ±40° horizontal, +120°/-40° vertical (typical) Maintenance and Service Guide 6-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 169
drive specifications may differ slightly. ✎ Certain restrictions and exclusions apply. Contact technical support for details. Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive specifications Applicable 4.5 MB 9 MB/sec 2,400 KB/sec 2,400 KB/sec 2,400 KB/sec 6-4 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 170
(Photo-CD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM CD < 175 ms 2.5 MB Write: CD -RAM DVD < 230 ms 3,600 KB/sec 10,800 KB/sec 3,600 KB/sec 2,400 KB/sec 10,800 KB/sec 5,400 KB/sec 10,800 KB/sec 5,400 KB/sec 2,700 KB - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 171
CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CDEXTRA, Portfolio, CD-R, CD-RW), CDR, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM CD-R and CD-RW CD DVD < 110 ms < 130 ms 2 MB 3,600 KB/sec - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 172
000E8000-000FFFFF 00100000-XFFFFFFF (X+1)0000000-FEDFFFFF FED00000-FED003FF FEE01000-FFFFFFFF Specifications System function Base memory Video memory Video BIOS System BIOS Extended memory (based on memory installed) PCI bus High-precision event timer PCI bus Maintenance and Service Guide 6-7 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 173
Hardware IRQ System function IRQ0 System timer IRQ1 Standard 101-/102-key or Microsoft natural keyboard IRQ8 System CMOS/real-time clock IRQ12 Synaptics PS/2 TouchPad IRQ13 Numeric data processor IRQ16 Intel ICH9 family USB universal host controller 2937 Mobile Intel 4 Series express - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 174
0AC-0AD 0B0-0B1 0B2-0B3 0B4-0B5 0B8-0B9 0BC-0BD System function (shipping configuration) DMA controller Program interrupt controller Program interrupt controller Program interrupt interrupt controller Program interrupt controller Maintenance and Service Guide Specifications (Continued) 6-9 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 175
2937 ICH9M-E/M SATA AHCI controller ICH9M-E/M SATA AHCI Controller Mobile Intel 4 Series express chipset family ICH9M-E/M SATA AHCI controller ICH9M-E/M SATA AHCI controller Motherboard resources Motherboard resources Motherboard resources Motherboard resources 6-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 176
PM2.5×13.0 captive screw Color Black Quantity 1 Length 13.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: One captive screw that secures the mass storage device to the computer (screw is secured to the mass storage device bracket) Maintenance and Service Guide 7-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 177
used: 1 One captive screw that secures the Bluetooth module compartment cover to the computer (screw is 2 Two captive screws that secure the mass storage device cover to the computer (screws are secured to the that secure the wireless module compartment cover to the computer (screws are secured - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 178
Phillips PM3.0×3.0 screw Screw listing Color Black Quantity 4 Length 3.0 mm Thread 3.0 mm Head diameter 5.0 mm Where used: 4 screws that secure the mass storage device bracket to the mass storage device Maintenance and Service Guide 7-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 179
Screw listing Phillips PM2.5×6.0 screw Color Black Quantity 14 Length 6.0 mm Thread 2.5 mm Where used: 1 Two screws that secure the WLAN module to the system board 2 Two screws that secure the WWAN module to the system board Head diameter 5.0 mm 7-4 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 180
Where used: 8 screws that secure the display bezel to the display assembly Screw listing Where used: 2 screws that secure the display panel to the display enclosure Maintenance and Service Guide 7-5 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 181
captive screw that secures the optical drive to the computer (screw is secured to the computer by an O-ring) 2 Three captive screws that secure the keyboard to the computer (screws are secured to the computer by O-rings) 7-6 Maintenance and - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 182
3.0 mm Thread 2.0 mm Where used: 3 screws that secure the optical drive bracket to the optical drive Head diameter 4.5 mm Where used: 3 screws that secure the switch cover to the computer Maintenance and Service Guide 7-7 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 183
secure the power button board to the switch cover Where used: 1 Eight screws that secure the display hinges to the display panel on computer models equipped with a 15.6-in display assembly 2 Two screws that secure the display hinge covers to the display hinges 7-8 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 184
.0-in display assembly 2 Two screws that secure the display hinge covers to the display hinges Where used: 5 screws that secure the top cover to the base enclosure Maintenance and Service Guide 7-9 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 185
computer models equipped with a 14.0-in display Length 7.0 mm Thread 2.5 mm Where used: 4 screws that secure the palm rest to the computer Head diameter 5.0 mm 7-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 186
that secure the fan to the system board Screw listing Where used: 5 screws that secure the top cover to the base enclosure Where used: 9 screws that secure the top cover to the base enclosure only on computer models equipped with a 15.6-in display assembly Maintenance and Service Guide 7-11 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 187
Screw listing Where used: 6 screws that secure the top cover to the base enclosure only on computer models equipped with a 14.0-in display assembly Where used: One screw that secures the speaker assembly to the base enclosure 7-12 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 188
the card reader/USB board to the base enclosure Screw listing Where used: 1 Two screws that secure the system board to the base enclosure 2 One screw that secures the system board to the base enclosure only on computer models equipped with a 15.6-in display assembly Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 189
Screw listing Phillips PM2.5×9.0 captive screw Color Black Quantity 4 Length 9.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: 4 captive screws that secure the heat sink to the system board (screws are secured to the computer by O-rings) 7-14 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 190
Slotted Torx T8M2.5×11.0 screw Screw listing Color Black Quantity 8 Length 11.0 mm Thread 2.5 mm Where used: 4 screws that secure the display assembly to the computer Head diameter 5.0 mm Maintenance and Service Guide 7-15 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 191
Screw listing Where used: 2 screws that secure the display assembly to the computer Where used: 2 screws that secure the top cover to the base enclosure 7-16 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 192
Phillips PM2.0×5.0 screw Screw listing Color Black Quantity 1 Length 5.0 mm Thread 2.0 mm Where used: One screw that secures the modem module to the system board Head diameter 5.0 mm Maintenance and Service Guide 7-17 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 193
Screw listing Hex HM5.0×10.0 screw lock Color Silver Quantity 2 Length 10.0 mm Thread 5.0 mm Where used: 2 screw locks that secure the serial connector to the base enclosure Head diameter 5.0 mm 7-18 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 194
instructions, perform a search for these topics in Help and Support. In case of system instability, HP continue to back up your system on a regular basis to Save customized settings that appear in a window, toolbar, or menu bar by taking window, press alt+fn+prt sc. To copy the entire - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 195
improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 8-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 196
Support. Using f11 recovery tools Ä CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All files you have created and any software installed on the computer are permanently removed. The f11 recovery tool reinstalls the operating system and HP programs and drivers - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 197
the Windows Vista operating system DVD into the optical drive before the Windows operating system loads. 3. When prompted, press any keyboard key. 4. Follow the on-screen instructions. 5. Click Next. 6. Select Repair your computer. 7. Follow the on-screen instructions. 8-4 Maintenance and Service - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 198
instructions, perform a search for these topics in Help and Support. In case of system instability, HP recommends that you print the recovery procedures and save them for later use. Backing up your information Recovery after a system system window, window - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 199
improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 8-6 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 200
Support. Using f11 recovery tools Ä CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All files you have created and any software installed on the computer are permanently removed. The f11 recovery tool reinstalls the operating system and HP programs and drivers - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 201
the Windows Vista operating system DVD into the optical drive before the Windows operating system loads. 3. When prompted, press any keyboard key. 4. Follow the on-screen instructions. 5. Click Next. 6. Select Repair your computer. 7. Follow the on-screen instructions. 8-8 Maintenance and Service - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 202
is connected to AC power before you start the backup process. The backup process may take over an hour, depending on file size and the speed of the computer. 1. Select Start > All Programs > Accessories > System Tools > Backup. 2. Follow the on-screen instructions. Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 203
. 5. Follow the on-screen instructions to install the operating system. 6. After the operating system is installed, remove the Operating System disc and insert the Driver Recovery disc. 7. Follow the on-screen instructions to install the drivers and programs. 8-10 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 204
9 Connector pin assignments 1394 Pin 1 2 3 4 5 6 Audio-in (microphone) Signal Power Ground TPBTPB+ TPATPA+ Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Maintenance and Service Guide 9-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 205
Audio out, right channel Ground Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 9-2 Signal Red analog Green analog Blue analog Not connected Ground Ground analog Ground analog Ground analog +5 VDC Ground Monitor detect DDC 2B data Horizontal sync Vertical sync DDC 2B clock Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 206
RJ-45 (network) Pin 1 2 3 4 5 6 7 8 RJ-11 (modem) Signal Transmit + Transmit Receive + Unused Unused Receive Unused Unused Pin 1 2 3 4 5 6 Maintenance and Service Guide Signal Unused Tip Ring Unused Unused Unused Connector pin assignments 9-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 207
Serial Bus Signal 1 Data carrier detect Received data Transmitted data Data terminal ready Signal ground Data set ready Request to send Clear to send Ring indicator Pin 1 2 3 4 9-4 Signal +5 VDC Data Data + Ground Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 208
of 125 or 250 V AC, as required by the power system of each country or region. ■ The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer. Maintenance and Service Guide 10-1 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 209
coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 10-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 210
the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for computer battery disposal. Display Å WARNING: The backlight contains mercury. Caution must be exercised when removing and handling the backlight to avoid - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 211
Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. 11-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 212
1 that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly 2 from the display enclosure. 7. Turn the display panel assembly upside down. 8. Remove all screws that secure the display panel frame to the display panel. Maintenance and Service Guide 11-3 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 213
the display panel frame. 10. Remove the display panel frame 2 from the display panel. 11. Remove the screws 1 that secure Remove the backlight cover. 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. 11-4 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 214
backlight frame from the display panel. Å WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Remove the backlight from the backlight frame. Maintenance and Service Guide 11-5 - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 215
. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel. 23. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 11-6 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 216
Index 1394 port connector pinout 9-1 location 2-13, 2-14 A AC adapter, spare part numbers 3-22, 3-23, 3-24 accessory battery connector 2-18 antennas disconnecting 4-18, 4-19 illustrated 3-19 locations 2-2 removal 4-53, 4-54 audio, product description 1-4 audio-in jack connector pinout 9-1 location - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 217
spare part number 3-9, 3-26, 4-36 feet locations 4-6 spare part number 4-6 File menu 5-3, 5-9, 5-15 fingerprint reader 2-7, 2-8 fn key 2-3, 2-4 front components 2-12 function keys 2-3, 2-4 G graphics, product description 1-2 grounding equipment and methods 4-2 Index-2 Maintenance and Service Guide - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 218
up 2-9, 2-11 webcam 2-2, 2-12 wireless 2-8, 2-10, 2-12 M mass storage device precautions 4-2 product description 1-3 removal 4-11 spare part numbers 3-14, 3-20, 4-11 mass storage device cover illustrated 3-21 removal 4-12 Media Card Reader 2-13, 2-14 memory module removal 4-14, 4-27 spare part - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 219
docking 1-5 Ethernet 1-4 external media card 1-5 graphics 1-2 hard drive 1-3 keyboard 1-6 mass storage device 1-3 memory 1-3 microphone 1-4 modem 1-4 operating system 1-7, 1-8 pointing device 1-6 ports 1-6 power requirements 1-6 processor 1-1, 1-2 security 1-7 serviceability 1-8 webcam 1-4 wireless - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 220
3-19 removal 4-48 spare part number 3-19, 3-25, 4-48 Windows applications key 2-3, 2-4 Windows logo key 2-3, 2-4 wireless antennas disconnecting 4-18, 4-19 illustrated 3-19 locations 2-2 removal 4-53, 4-54 wireless button 2-6, 2-8 wireless light 2-8, 2-10, 2-12 Maintenance and Service Guide Index - HP ProBook 6440b | HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 221
18 wireless module compartment cover illustrated 3-21 removal 4-17 wireless, product description 1-5 WLAN module removal 4-16 spare part numbers 3-15, 3-16, 3-23, 3-24, 4-16 workstation guidelines 4-4 WWAN module removal 4-19 spare part number 3-14, 3-24, 4-19 Index-6 Maintenance and Service Guide
HP ProBook 6545b Notebook PC,
HP ProBook 6540b Notebook PC,
HP ProBook 6445b Notebook PC, and
HP ProBook 6440b Notebook PC
Maintenance and Service Guide
Document Part Number: 570786-002
January 2010
This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides
comprehensive information on identifying computer features, components, and spare parts; troubleshooting
computer problems; and performing computer disassembly procedures.