HP ProBook 4326s HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance
HP ProBook 4326s - Notebook PC Manual
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- HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 1
HP ProBook 4325s Notebook PC HP ProBook 4326s Notebook PC HP ProBook 4425s Notebook PC Maintenance and Service Guide SUMMARY This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 2
, and Windows Vista are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 3
the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 4
iv Safety warning notice - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 5
15 Left-side components ...16 Bottom components ...17 Display ...18 Wireless antennas (select models only 19 Additional hardware components 20 3 Illustrated parts catalog 21 Serial number label location ...21 Computer major components 22 Display assembly components 27 Plastics Kit ...29 Cable - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 6
Computer feet ...43 Battery ...44 SIM ...45 Switch cover ...46 Keyboard ...48 Memory module ...50 Optical drive ...52 Power button board 54 Speakers ...55 WWAN module ...57 Palm rest ...60 Hard drive ...63 RTC battery ...65 WLAN module ...66 Bluetooth module ...69 Heat sink and fan ...71 Processor - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 7
117 Hard drive specifications ...118 DVD ROM Drive specifications 119 DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications 120 Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications 121 System resource specifications 122 7 Backup and recovery ...123 Windows - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 8
RJ-45 (network) ...139 Universal Serial Bus ...140 eSATA/USB ...141 9 Power cord set requirements 142 Requirements for all countries and regions 142 Requirements for specific countries and regions 143 10 Recycling ...144 Battery ...144 Display ...144 Index ...150 viii - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 9
4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA Product Name HP ProBook 4325s Notebook PC √ NOTE: Discrete not for use in the People's Republic of China. HP ProBook 4326s Notebook PC √ NOTE: For use in the People's Republic of China. HP ProBook 4425s Notebook PC √ Processors - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 10
2, dual channel) ● 3072-MB total system memory (2048-MB + 1024-MB, dual channel) ● 2048-MB total system memory (2048-MB × 1) ● 2048-MB total system memory (1024-MB × 2, dual channel) ● 1024-MB total system memory (1024-MB × 1) HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 11
Hard drives Optical drives Diskette drive Audio/Visual Modem Ethernet Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA Supports 9.5-mm, 6.35-cm (2.50-in) hard drives √ √ √ Customer-accessible √ √ √ Serial ATA √ √ √ Supports the following drives - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 12
Category Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA S3/S4/S5 wake on LAN (AC only mode) √ √ √ Ethernet cable not included √ √ √ Wireless Integrated WLAN options by way of wireless module: Support for the following WLAN formats: ● Broadcom 802. - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 13
Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA VGA (Dsub 15-pin) supporting 1600 × 1200 external resolution at 75-GHz (hot plug/unplug with auto-detect) √ √ √ Multi-pin AC power √ √ √ Keyboard and pointing devices 33.8-cm (13.3-in) keyboard with - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 14
Category Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA Windows 7 Home Basic with Office 2007 Ready - EDGI √ √ √ (available for Argentina, Brazil - English, Brazil, Latin America, Latin America - English, Russia, People's Republic of China, India, Asia - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 15
Category Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA Windows 7 Professional (with Windows XP Professional images) with Office 2007 Professional (Japan only) √ √ Windows Vista Home Basic 32 with Office 2007 Ready (excludes Japan) √ √ √ Windows Vista - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 16
WHQL Web Support: Windows 7 Professional 64 Windows Vista Business 64 End-user replaceable parts: AC adapter Battery (system) Bluetooth module Keyboard Speaker assembly Hard drive Memory module Optical drive WLAN module WWAN module WWAN SIM HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 17
in this section. Use the following instructions to see a list of hardware installed in the computer. In Windows® 7: ▲ Select Start > Control Windows settings. Refer to Help and Support for more information. In Windows XP: 1. Select Start > My Computer. 2. In the left pane of the System Tasks window - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 18
items on the screen. (3) Left TouchPad button* Functions like the left button on an external mouse. (4) Right TouchPad button* Functions like the right button on an external mouse. *This table describes factory settings. To view or change pointing device preferences, select Start > Control - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 19
light (3) HP QuickLook light (4) HP QuickWeb light (5) Power light (6) Wireless light Description ● Amber: The TouchPad is off. ● Off: The TouchPad is on. On: Caps lock is on. Blinking: QuickLook is being opened or closed. Blinking: The Web browser is being opened or closed. ● On: The computer is - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 20
is in Hibernation, press the button briefly to exit Hibernation. If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your power settings and how to change them - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 21
in combination with the fn key. Executes frequently used system functions when pressed in combination with a function key or the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the cursor. Can be used like the keys on an external numeric keypad when pressed in - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 22
hard drive or optical drive is being accessed. ● Amber: HP 3D DriveGuard has temporarily parked the hard drive. Supports the following optional digital card formats: ● Memory Stick ● Memory Stick Duo (adapter required) ● Memory Stick Pro computer speakers are disabled. Connects an optional computer - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 23
USB ports (2) (2) RJ-11 (modem) jack (select models only) (3) Optical drive light (select models only) (4) Optical drive (select models only) Description Connect optional USB devices. Connects a modem cable. Blinking: The optical drive is being accessed. Reads optical discs and, on select models - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 24
the computer from being mishandled or stolen. Connects an AC adapter. ● On: The computer is connected to external power and the battery is charging. ● Off: The computer , such as an eSATA external hard drive. Connects optional USB device. Supports optional ExpressCards. 16 Chapter 2 External - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 25
Bottom components Component (1) Battery release latches (2) (2) Battery bay (3) SIM slot (select models only) Description Release the battery from the battery bay. Holds the battery. Contains a wireless subscriber identity module (SIM). The SIM slot is located inside the battery bay. Bottom - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 26
Display NOTE: Your computer may look slightly different from the illustration in this section. Component (1) Internal display switch (2) Internal power is on. Records sound. On: The webcam is in use. Records video and captures still photographs. 18 Chapter 2 External component identification - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 27
area networks (WLANs). *The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions. To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 28
Description (1) Power cord* Connects an AC adapter to an AC outlet. (2) Battery* Powers the computer when the computer is not plugged into an external power source. (3) AC adapter Converts AC power to DC power. *Batteries and power cords vary in appearance by country or region. 20 Chapter - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 29
Serial number label location When ordering parts or requesting information, the serial number label, located on the bottom of the computer, provides important information that you may need when contacting technical support. (1) Product name (2) Serial number (3) Product number (4) Warranty - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 30
Computer major components 22 Chapter 3 Illustrated parts catalog - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 31
Description Spare part number (1) Display assembly (includes 2 WLAN antennas and cables and, on select computer models, 2 001 599568-001 607653-001 (3) Power button board (included with switch cover) (4) Keyboard In computer models with 33.8-cm (13.3-in) displays: ● For use in Greece ● For - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 32
the United States In computer models with 35.6-cm Processor heat sink For use with discrete graphics subsystems For use with Unified Memory Architecture (UMA) graphics subsystems (9) Memory Australia and New Zealand (13) WLAN module Spare part number 599572-001 599573-201 599573-121 599573-161 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 33
part number Atheros AR 9285 802.11b/g/n 605560-005 Broadcom BCM94313HMG2L 802.11b/g/n 593836-001 Broadcom 4312G 802.11b/g WiFi , Iceland, India, Indonesia, battery Top cover For use with 33.8-cm (13.3-in) displays For use with 35.6-cm (14.0-in) displays Processor Computer major components 25 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 34
33.8-cm (13.3-in) displays 599514-001 For use in computer models with 35.6-cm (14.0-in) displays 599515-001 (25) Battery 9-cell, 93-Wh (2.8Ah) Li-ion 593573-001 6-cell, 47-Wh (2.2Ah) Li-ion 593572-001 (26) Hard drive (includes hard drive bracket) 640-GB, 5400-rpm 617049-001 500-GB, 7200 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 35
● For 35.6-cm (14.0-in) displays with webcam ● For 33.8-cm (13.3-in) displays without webcam ● For 35.6-cm (14.0-in) displays without webcam Spare part number 599530-001 599531-001 599532-001 599533-001 Display assembly components 27 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 36
module (3) Display panel (included with display assembly; see Computer major components on page 22) (4) Display hinge kit ● red ● For 35.6-cm (14.0-in) displays with webcam and without WWAN, red Spare part number 617666-001 599536-001 599537-001 599534-001 605558-001 605557-001 599535-001 616070 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 37
Plastics Kit Item Description Plastics Kit: (1) ExpressCard slot bezel (2) Optical drive blank (used with no ODD option) RJ11 (modem) connector blank (not illustrated, used with No-Modem option) Spare part number 599563-001 Plastics Kit 29 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 38
Cable kit Item Description Cable kit: (1) Power cable (2) Bluetooth cable (3) RJ-11 (modem) jack cable Spare part number 599525-001 30 Chapter 3 Illustrated parts catalog - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 39
Description (1) Hard drive (includes bracket) 640-GB, 5400-rpm 500-GB, 7200-rpm 320-GB, 7200-rpm 250-GB, 7200-rpm (2) Optical drive (includes bezel) Blu-ray Disc ROM Drive with SuperMulti DVD ±R/RW Double-Layer DVD±RW SuperMulti Double-Layer Drive with LightScribe DVD-ROM Drive Spare part number - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 40
Miscellaneous parts Description AC adapters 65-W, 3-pin Smart AC adapter ● For use in all countries and regions except India ● For use in India 90-W Slimline AC adapter ● For use in all countries and regions except India ● For use in India Power cords (AC power, 3-pin, black, 1.83 m) ● For use in - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 41
part number 483377-001 483377-002 490371-001 490371-011 490371-031 490371-202 490371-291 490371-AA1 490371-AB1 490371-AD1 490371-D01 490371-D61 504593-003 504593-004 510100-001 510100-011 531993-001 537921-001 Description HP Mobile Broadband Module HP in India Broadcom 4312G 802.11b/g WiFi Adapter - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 42
Display hinge and bracket (left and right) for 35.6-cm (14.0-in) models Blu-ray Disc ROM Drive with SuperMulti DVD ±R/RW Double-Layer DVD ROM Drive DVD ±RW SuperMulti Double-Layer Drive with LightScribe Hard drive, 250-GB, 7200-rpm Hard drive, 320-GB, 7200-rpm 34 Chapter 3 Illustrated parts catalog - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 43
001 605559-001 605560-001 Description Hard drive, 500-GB, 7200-rpm Keyboard, 33.8-cm (13.3-in), for use in the United States Keyboard, 33.8-cm (13.3-in), for use in Thailand Keyboard, 33.8-cm (13.3-in), for use in Japan Keyboard, 33.8-cm (13.3-in), for use in Taiwan Keyboard part number listing 35 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 44
models and Unified Memory Architecture (UMA) India 90-W Slimline AC adapter for use in India 65-W, 3-pin Smart AC adapter for use in India System board, for use with 33.8-cm (13.3-in) models and discrete graphics subsystem in the People's Republic of China and Russia 36 Chapter 3 Illustrated parts - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 45
and UMA graphics subsystem in the People's Republic of China and Russia Processor heat sink for use with discrete graphics subsystem Processor heat sink for use with Unified Memory Architecture (UMA) graphics subsystem Hard drive, 640-GB, 5400 rpm Webcam module Sequential part number listing 37 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 46
screwdrivers ● Torx T8 screwdriver Service considerations The following sections parts CAUTION: Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 47
with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 48
may function normally for a while, then degrade in the internal layers, reducing its life expectancy. CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these precautions: Keep components in their electrostatic-safe containers until you are - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 49
and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When as ordinary plastic assembly aids and Styrofoam. ● Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. Handle these items only - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 50
foam ● Conductive tabletop workstations with ground cords of one megohm resistance ● Static-dissipative tables or floor mats with hard ties to the ground ● Field service kits ● Static awareness labels ● Material-handling packages ● Nonconductive plastic bags, tubes, or boxes ● Metal tote boxes - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 51
sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal (select models) Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the rubber kit, spare part number 599564-001 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 52
Battery Description Battery 9-cell, 93-Wh (2.8Ah) Li-ion 6-cell, 47-Wh (2.2Ah) Li-ion Spare part number 593573-001 593572-001 Before disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 53
from the AC outlet, and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). Remove the SIM: 1. Push on the SIM (1) to release it from the SIM slot. 2. Remove the SIM (2) from the computer. Install the SIM by inserting it into the SIM slot and pushing - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 54
) displays, red Spare part number 599567-001 607652-001 599568-001 607653-001 Before computer. 4. Remove the battery (see Battery on page 44). Remove the switch cover: 1. Position the computer upside down with the rear toward you. 2. Remove the four PM2.5×3.0 screws in the battery bay. 3. Open the computer - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 55
4. Slide the switch cover back (1), and then remove it from the computer (2). Reverse this procedure to install the switch cover and keyboard. Component replacement procedures 47 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 56
-xxx NOTE: For a detailed list of keyboards see the parts list in Computer major components on page 22 Before removing the keyboard, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 57
Rotate it right until it rests upside down on the right side of the computer. 4. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and disconnect the keyboard cable (2) from the system board. 5. Remove the keyboard (3). Component replacement procedures 49 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 58
unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the switch cover (see Switch cover on page 46). 6. Remove the keyboard (see Keyboard on page 48). NOTE: You can release the keyboard without removing the keyboard cable from the system board, and - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 59
3. Remove the memory module by pulling the module away from the slot at an angle. NOTE: Memory modules are designed with a notch to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. Component replacement procedures 51 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 60
±RW SuperMulti Double-Layer Drive with LightScribe DVD ROM Drive Spare part number 599538-001 599540-001 599539-001 Before removing the optical drive, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 61
the optical drive (2) from the computer. 5. If it is necessary to replace the optical drive bracket, position the optical drive with the rear toward you. 6. Remove the two Phillips PM2.0×3.0 screws (1) that secure the optical drive bracket to the optical drive. 7. Remove the optical drive bracket - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 62
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 44). 5. Switch cover (see Switch cover on page 46) Remove the power button board: 1. Disconnect the power button board cable (1). 2. Gently pull - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 63
from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the switch cover and keyboard (see Switch cover on page 46). Remove the speakers: 1. Position the computer right-side up with the front toward you. 2. Remove the two - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 64
4. Remove the speaker cable (2) from the clips and routing channel, and then remove the speakers from the computer (3). Reverse this procedure to install the speakers. 56 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 65
and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the switch cover (see Switch cover on page 46) 6. Remove the keyboard (see Keyboard on page 48) Remove the WWAN module: 1. Position the computer right-side up with the front toward you - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 66
blue WWAN antenna cable is connected to the WWAN module "Aux" terminal. 3. Remove the two Phillips PM2.5×3.0 screws that secure the WWAN module to the computer. (The module tilts up.) 58 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 67
4. Remove the WWAN module by pulling the module away from the slot at an angle. NOTE: WWAN modules are designed with a notch to prevent incorrect insertion. Reverse this procedure to install the WWAN module. Component replacement procedures 59 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 68
35.6-cm (14.0-in) displays, red Spare part number 599549-001 599551-001 607648-001 607650 computer. 4. Remove the battery (see Battery on page 44). 5. Remove the switch cover (see Switch cover on page 46) 6. Remove the keyboard (see Keyboard on page 48) Remove the palm rest: 1. Position the computer - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 69
2. Remove the three Phillips PM2.5×3.0 broadhead screws that secure the palm rest to the computer. 3. Slide the palm rest to the right. 4. Turn it over from the front edge until it rests upside down on the top cover. 5. Release the - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 70
7. Remove the palm rest (3). Reverse this procedure to install the palm rest. 62 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 71
AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Palm rest (see Palm rest on page 60) Remove the hard drive: 1. Position the computer right-side up - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 72
4. Remove the hard drive (2) from the hard drive bay. 5. If it is necessary to replace the hard drive bracket, remove the two Phillips PM3.0×3.0 hard drive bracket screws (1) from each side of the hard drive. 6. Lift the bracket (2) straight up to remove it from the hard drive. Reverse this - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 73
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the following components: a. Battery (see Battery on page 44) b. Switch cover (see Switch cover on page 46) c. Keyboard (see Keyboard on page 48) d. Palm rest (see Palm rest on page 60) Remove the RTC - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 74
, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, the WiFi Adapter 593533-001 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 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 75
4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Palm rest (see Palm rest on page 60) Remove the WLAN module: 1. Position the computer right-side up with the front toward you. 2. - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 76
4. Remove the WLAN module by pulling the module away from the slot at an angle. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Reverse this procedure to install the WLAN module. 68 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 77
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Palm rest (see Palm rest on page 60) Remove the - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 78
4. Remove the Bluetooth module cable from the system board. Reverse this procedure to install the Bluetooth module. 70 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 79
material. Description Fan Processor heat sink For use with discrete graphics subsystems For use with Unified Memory Architecture (UMA) graphics subsystems Spare part number 599544-001 615575-001 615576-001 Before removing the heat sink, follow these steps: 1. Shut down the computer. If you are - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 80
4. Lift the right edge of the heat shield to disengage the tabs on the left side of the heat shield from the top cover, and then remove the heat shield (3). 5. Disconnect the fan cable from the system board (1). 6. Loosen the 2.0×5.0 captive screw from the system board, and then remove the fan (3). - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 81
heat sink to the graphics devices on models with discrete graphics subsystem memory. 8. Lift the heat sink off the processor (2), and then lift the heat sink up and to the right material is included with all heat sink, system board, and processor spare part kits. Component replacement procedures 73 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 82
(3) and the system board components (3), (4) and (5) each time the heat sink is removed. Replacement thermal material is included with all heat sink, system board, and processor spare part kits. Reverse this procedure to install the heat sink and fan. 74 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 83
and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Optical drive (see Optical drive on page 52) d. Speakers (see Speakers on - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 84
3. Lift the processor (2) straight up and remove it. NOTE: When you install the processor, the gold triangle (3) on the processor must be aligned with the triangle (4) embossed on the processor socket. Reverse this procedure to install the processor. 76 Chapter 4 Removal and replacement procedures - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 85
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Fan and heat sink (see Heat sink and fan on - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 86
Display assembly NOTE: The display assembly spare part kit includes 2 WLAN antennas and cables. Description Spare part number Display assembly (includes 2 WLAN antennas and cables and, on select computer models, 2 WWAN antennas and cables) NOTE: WWAN is available only on select models with 33.8- - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 87
(14.0-in) displays with webcam and without WWAN, red Spare part number 599534-001 605558-001 605557-001 599535-001 599526-001 599527 computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 88
the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 1. Remove the five T8 slotted-Torx M2.5×6.0 screws (1) that secure the display assembly to the base enclosure. NOTE: Your - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 89
four T8 slotted-Torx M2.5×6.0 screws (2) that secure the display bezel to the display assembly. The screw covers are available in the rubber kit, spare part number 599564-001. 5. Remove the bezel: a. Flex the top of the bezel from the inside edge until it disengages from the display back cover - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 90
6. If it is necessary to replace the webcam module, gently pull the webcam module away from the double-sided tape on the display back cover (1), disconnect the webcam cable from the module (2), and then remove the webcam. NOTE: To replace the webcam module in the display enclosure, align the holes - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 91
8. Lift the top of the display panel away from the back cover (3), and then remove the display panel (4). 9. Remove the four Phillips PM2.0×3.0 screws (1) that secure the display hinges to the display panel, and then remove the display hinges (2). The left and right display hinges are available in - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 92
10. If it is necessary to replace the display/webcam cable, turn the display panel upside-down and peel back the tape that secures the display cable to the display panel (1), and then release the connector locking bar (2). 11. Release the cable from the display panel connector (3). NOTE: The display - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 93
adhesive on the back cover, and then route the cables through the clips (3) that secure the antenna cables to the display back cover. b. Remove the wireless antennas and cables. Reverse this procedure to reassemble and install the display assembly. Component replacement procedures 85 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 94
the AC adapter from the computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Speakers (see Speakers on page 55) d. Optical drive (see Optical drive on page 52) e. Palm rest - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 95
2. Remove the 14 T8 slotted-Torx 2.5×5.0 screws (1) and the 3 PM2.0×3.0 screws (2) that secure the top cover to the base enclosure. 3. If installed, remove the ExpressCard slot bezel (1), release the top cover from the sides of the base enclosure (2), and then remove the top cover (3). Reverse this - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 96
on page 30 for more cable kit spare part information. High-speed 56K modem for use in computer. 4. Remove the battery (see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Optical drive (see Optical drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 97
4. Disconnect the modem module cable (3). 5. Remove the modem module. Reverse this procedure to install the modem module. Component replacement procedures 89 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 98
c. Keyboard (see Keyboard on page 48) d. Speakers (see Speakers on page 55) e. WWAN module (see WWAN module on page 57) f. Palm rest (see Palm rest on page 60) g. Bluetooth module and cable (see Bluetooth module on page 69) h. WLAN module (see WLAN module on page 66) i. Hard drive (see Hard drive on - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 99
module (see Memory module on page 50) ● WLAN module (see WLAN module on page 66) ● WWAN module (see WWAN module on page 57) ● Modem module (see Modem module on page 88) ● Processor (see Processor on page 75) Remove the system board: 1. Position the computer right-side up with the front toward you - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 100
see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Optical drive (see Optical drive on page 52) d. Speakers (see Speakers on page 55) e. Palm rest (see Palm rest on page 60) f. Hard drive (see Hard drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 101
3. Remove the USB connector assembly (2) from the base enclosure. Reverse this procedure to install the USB connector assembly. Component replacement procedures 93 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 102
see Battery on page 44). 5. Remove the following components: a. Switch cover (see Switch cover on page 46) b. Keyboard (see Keyboard on page 48) c. Optical drive (see Optical drive on page 52) d. Speakers (see Speakers on page 55) e. Palm rest (see Palm rest on page 60) f. Hard drive (see Hard drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 103
3. Remove the modem cable (2) from the routing in the base enclosure. 4. Remove the modem cable. Reverse this procedure to install the modem cable. Component replacement procedures 95 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 104
5 Computer Setup Computer Setup in Windows 7 To view the drives installed on the computer, select Start>Computer. On models with a secondary hard drive (drive D), the optical drive becomes drive E. The next drive added to the system, such as a new USB drive, will be assigned the next available drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 105
screen, press esc, and then follow the on-screen instructions. NOTE: 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, Diagnostics, or System - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 106
and time System Diagnostics Restore defaults Reset BIOS security to factory default Ignore changes and exit Save changes and exit To do this ● View identification information for the computer. ● View specification information for the processor, cache and memory size, and system ROM. Change date and - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 107
erase cycles from a list. ● Last Pass: Displays Disk Sanitizer Completion Report CAUTION: If you run Disk Sanitizer, the data on the primary hard drive is destroyed permanently. System IDs Enter a user-defined computer asset tracking number and ownership tag. Computer Setup in Windows 7 99 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 108
the UEFI boot order: Windows Boot Manager. ● Set the legacy boot order: ◦ 1st boot device: Notebook hard drive ◦ 2nd boot device: USB floppy ◦ 3rd boot device: USB CD-ROM ◦ 4th boot device: USB hard drive ◦ 5th boot device: Notebook Ethernet ◦ 6th boot device: SD card 100 Chapter 5 Computer Setup - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 109
● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in Computer Setup even when your operating system is not running. ◦ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 110
Windows XP Starting Computer Setup Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system is not working or will not load. NOTE: Some of the Computer Setup menu items listed in this guide may not be supported by your computer. NOTE: An external keyboard - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 111
the on-screen instructions. - or - Use the tab key and the arrow keys to select File > Save changes and exit, and then press enter. Your changes go into effect when the computer restarts. Restoring factory settings in Computer Setup NOTE: Restoring defaults will not change the hard drive mode. To - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 112
● View specification information for the processor, cache and memory size, system ROM, video revision, and keyboard controller version. Set or change the date and time on the computer. Replace the configuration settings in Computer Setup with the original factory settings. (Hard drive mode, password - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 113
destroy all existing data on the primary hard drive or the drive in the upgrade bay. CAUTION: If you run Disk Sanitizer, the data on the selected drive is destroyed permanently. Enter a user-defined computer asset tracking number and ownership tag. Computer Setup in Windows Vista and Windows XP 105 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 114
processor, cache and memory size, system ROM, video revision, and keyboard controller version. ● Start-up Test-Verifies the system components needed for starting the computer. ● Run-In Test-Runs a comprehensive check on system memory. ● Hard Disk Test-Runs a comprehensive self-test on any hard drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 115
(enabled 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 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 116
Defaults To do this ● Enable/disable the wireless button state (enabled by default). ● Enable/disable ) ◦ Follow Boot Order ● Enable/disable the optical disc drive (enabled by default). ● Enable/disable the microphone. ● Enable BIOS menu items. Restore the default security settings. 108 Chapter - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 117
will not load. NOTE: Some of the Computer Setup menu items listed in this guide may not be supported by your computer. NOTE: Pointing devices are not supported in Computer Setup. You must use the keyboard to navigate and make selections. NOTE: An external keyboard connected by USB can be used with - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 118
chapter may not be supported by your computer. File menu Select System information Restore Defaults Ignore Changes And Exit Save Changes And Exit To do this ● View identification information for the computer. ● View specification information for the processor, cache and memory size, and system - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 119
the menu items listed in this section may not be supported by your computer. Select Setup Password Power-On Password Password Options DriveLock Passwords computer restart. ● Enable/disable DriveLock on any computer hard drive. ● Enter, change, or disable DriveLock on an optional MultiBay hard drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 120
Diagnostics menu Select HDD Self-Test Options Memory Check To do this Run a comprehensive self-test on any hard drive in the system or on any optional MultiBay hard drive. Run a comprehensive check on system memory. 112 Chapter 5 Computer Setup - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 121
System Configuration options may not be supported by your computer. Select Language Boot options To do this Change the Computer Setup language. ● Set an ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller Computer Setup in Linux 113 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 122
Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in Computer Setup even when a your operating system is not running. ◦ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 123
specifications 33.8-cm (13.3-in) models Dimensions Depth 22.81 cm (8.98 in) Width 32.2 cm (12.68 in) Height (front to rear) 27.0 to 35.3 cm (1.07 to 1.39 in) Weight ● With 6-cell battery, no WWAN, no Bluetooth, no < 2.15 kg (4.74 lbs) modem, one memory module, and optical disk drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 124
rate NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 33.8-cm (13.3-in) display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 125
35.6-cm (14.0-in) display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration × 768 RGB vertical stripe LED 80 × 25 4.0 W ±40° horizontal, +120/-40° vertical (typical) 35.6-cm (14.0-in) display specifications 117 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 126
Hard drive specifications 500-GB* 320-GB* 250-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm Weight 101 g 101 g 101 g Interface type SATA SATA SATA Transfer rate 100 MB/sec 100 MB/sec 100 MB/sec Security ATA security ATA security ATA - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 127
DVD ROM Drive specifications Applicable disc Random access time DVD CD Cache buffer Data transfer rate CD-R (24X) CD-RW (10X) CD-ROM (24X) DVD (8X) Multiword DMA mode 1X CD rate) 3600 KB/s (150 KB/s at 1X CD rate) 10,800 KB/s (1,352 KB/s at 1X DVD rate) 16.6 MB/s DVD ROM Drive specifications 119 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 128
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications Applicable disc Read Write Random access CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (PhotoCD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW, DVD-ROM (DVD-5, DVD - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 129
Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications Applicable disc Read Write Random access time BD DVD CD Cache buffer Data transfer rate 24X CD-ROM sec 4,500 KB/sec 4,500 KB/sec Multiword DMA Mode Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications 121 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 130
) lines, and memory addresses. If two devices require the same resource and create a device conflict, you can manually change the resource Resources by connection To view resource settings in Windows XP: 1. Select Start > My Computer, or double-click My Computer on the desktop. 2. Under System Tasks, - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 131
and folders, back up your entire hard drive (select models only), create system repair discs (select models only), or create system restore points. In case of system failure, you can use the backup files to restore the contents of your computer. Windows Backup and Restore provides the following - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 132
DVD+R DL, DVD-R, DVD-R DL, or DVD±RW. The discs you use will depend on the type of optical drive installed in your computer. NOTE: DVDs and DVDs with double-layer (DL) support store more information than CDs, so using them for backup reduces the number of recovery discs required. ● When backing up - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 133
. 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 that were installed at the factory - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 134
the entire hard drive (select models only) ● Scheduling automatic backups (select models only) ● Creating system restore points ● Recovering individual files ● Restoring the computer to a previous state ● Recovering information using recovery tools NOTE: For detailed instructions, perform a search - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 135
backed up. You can also use Windows Startup Repair to fix problems that might prevent Windows from starting correctly. ● f11 recovery tools: You can use the f11 recovery tools to recover your original hard drive image. The image includes the Windows operating system and software programs installed - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 136
Repair your computer. 5. Follow the on-screen instructions. NOTE: For additional information on recovering information using the Windows tools, perform a search for these topics in Help and Support. Using f11 CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 137
-screen instructions. You can also order the DVD by calling technical support. For contact information, refer to the Worldwide Telephone Numbers booklet included with the computer. CAUTION: Using a Windows Vista operating system DVD completely erases hard drive contents and reformats the hard drive - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 138
computer. Windows provides the following options: ● Backing up individual files and folders ● Backing up all files and folders ● Scheduling automatic backups ● Creating recovery points ● Recovering information NOTE: For detailed instructions, perform a search for these topics in Help and Support - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 139
completely erases the hard drive. All files you have created and any software installed on the computer are permanently removed. The recovery process reinstalls the original operating system, software, and drivers. Software, drivers, and updates not installed by HP must be manually reinstalled. To - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 140
4. Turn on the computer. 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. 132 Chapter 7 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 141
the factory. Software, drivers, and updates not installed by HP must be manually reinstalled. Personal files must be restored from a backup. To recover the original hard drive image using f11, follow these steps: 1. If possible, back up all personal files. 2. Restart the computer, and then press f11 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 142
8 Connector pin assignments Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground 134 Chapter 8 Connector pin assignments - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 143
Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-out (headphone) 135 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 144
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 136 Chapter 8 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 145
HDMI Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Signal Transition minimized differential signal (TMDS) data 2+ TMDS data 2 shield TMDS data 2- TMDS data 1+ TMDS data 1 shield TMDS data 1- TMDS data 0+ TMDS data 0 shield TMDS data 0- TMDS clock+ TMDS clock shield TMDS clockConsumer - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 146
RJ-11 (modem) Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused 138 Chapter 8 Connector pin assignments - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 147
RJ-45 (network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused RJ-45 (network) 139 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 148
Universal Serial Bus Pin Signal 1 +5 VDC (4.75 V minimum under a continuous 0.5-A load) 2 Data - 3 Data + 4 Ground 140 Chapter 8 Connector pin assignments - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 149
eSATA/USB Pin Signal 1 USB +5 VDC 2 USB Data - 3 USB Data + 4 USB Ground S1 eSATA Ground S2 eSATA Transmit Data A+ S3 eSATA Transmit Data A- S4 eSATA Ground S5 eSATA Receive Data B- S6 eSATA Transmit Data B+ S7 eSATA Ground eSATA/USB 141 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 150
240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the regions must meet the requirements of the country or region where the computer is used. Requirements for all countries and regions The requirements listed - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 151
Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA for evaluation in the country or region where it will be used. Requirements for specific countries and regions 143 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 152
battery in general household waste. Follow the local laws and regulations in your area for computer battery them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in in this chapter are general disassembly instructions. Specific details, such as screw sizes, - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 153
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 display assembly. 2. Lift up and out on the left and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 154
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (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- - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 155
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. Display 147 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 156
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside-down. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 17. Remove the - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 157
18. Remove the backlight from the backlight frame. 19. Disconnect the display panel cable (1) from the LCD panel. 20. Remove the screws (2) that secure the LCD panel to the display rear panel. 21. Release the LCD panel (3) from the display rear panel. 22. Release the tape (4) that secures the LCD - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 158
26, 44 battery bay 17 battery release latches, identifying 17 battery, identifying 20 bays battery 17 BIOS administrator password 105 Blu-ray Disc ROM Combo Drive spare part number 26, 31 Blu-ray ROM with LightScribe DVD ±R/RW SuperMulti DL Drive removal 52 spare part number 52 specifications 121 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 159
48 spare part number 23, 48 keys embedded keypad 13 esc 13 fn 13 function 13 Windows applications 13 Windows logo 13 L language, changing in Computer Setup 107 latches, battery release 17 legacy support, USB 96, 101, 102, 107, 109 , 114 lights AC adapter 16 caps lock 11 drive 14 optical drive 15 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 160
3 external media cards 4 graphics 1 hard drives 3 keyboard 5 memory module 2 modem module 3 operating system 5 optical drives 3 panels 1 pointing devices 5 ports 4 power requirements 5 processors 1 product name 1 security 5 serviceability 8 visual 3 wireless 4 product name 1 Q QuickLook light - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 161
speakers removal 55 spare part number 26, 55 speakers, identifying 12 specifications Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive 121 computer 115 display 116, 117 DVD ±RW SuperMulti Double- Layer Drive with LightScribe 120 DVD-ROM Drive 119 hard drive 118 optical drive 119, 120, 121 - HP ProBook 4326s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 162
HP ProBook 4325s Notebook PC
HP ProBook 4326s Notebook PC
HP ProBook 4425s Notebook PC
Maintenance and Service Guide
SUMMARY
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.