HP ProBook 4425s HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance
HP ProBook 4425s - Notebook PC Manual
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- HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 1
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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 2
in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. First Edition: May 2010 Document Part Number: 602200-001 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 3
Safety warning notice WARNING! To reduce 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 4
iv Safety warning notice - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 5
Plastics Kit ...29 Cable kit ...30 Mass storage devices ...31 Miscellaneous parts ...32 Sequential part number listing 33 4 Removal and replacement procedures 38 Preliminary replacement requirements 38 Tools required ...38 Service considerations 38 Plastic parts 38 Cables and connectors 39 v - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 6
discharge damage 40 Packaging and transporting guidelines 41 Workstation guidelines 41 Equipment guidelines 42 Component replacement procedures 43 Serial number label 43 Computer feet ...43 Battery ...44 SIM ...45 Switch cover ...46 Keyboard ...48 Memory module ...50 Optical drive - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 7
Computer Setup in Windows Vista and Windows XP 102 Starting Computer Setup 102 Using Computer Setup 102 Navigating and selecting in Computer Setup 102 Restoring factory settings in Computer Setup 103 Computer Setup menus 104 File menu 104 Security menu 105 Diagnostics menu 106 System - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 8
Overview ...130 Backing up your information 130 Performing a recovery 131 Recovering your information 131 Recovering the operating system and programs 131 Linux backup and recovery ...133 8 Connector pin assignments 134 Audio-in (microphone) ...134 Audio-out (headphone) ...135 External monitor - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 9
HP ProBook 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 10
upgradable SODIMM memory module slots Supports dual-channel memory PC3-10600, 1333-MHz, DDR3 Supports the following configuration: ● 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 11
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: ● 640-GB, 5400-rpm - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 13
Category Description HP ProBook 4325s HP ProBook 4326s HP ProBook 4425s UMA Discrete UMA VGA (Dsub 15-pin) supporting 1600 × 1200 external √ √ 6-cell, 47-Wh Li-ion battery √ √ √ Security Supports Kensington security lock √ √ √ Operating system Preinstalled: NOTE: Windows Vista - HP ProBook 4425s | 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 - HP ProBook 4425s | 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 16
Serviceability Certified: Microsoft® 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 17
slightly different from the illustrations in this section. Use the following instructions to see a list of hardware installed in the computer. In software, running utilities, or changing Windows settings. Refer to Help and Support for more information. In Windows XP: 1. Select Start > My Computer - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 18
Top components TouchPad Component Description (1) TouchPad off indicator To turn the TouchPad zone on and off, quickly double-tap the TouchPad off indicator. NOTE: When the TouchPad zone is active, the light is off. (2) TouchPad zone* Moves the pointer and selects or activates items on the - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 19
Lights Component (1) TouchPad off indicator (2) Caps lock 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 20
Buttons, speakers, switches, and fingerprint reader (select models only) NOTE: Your computer may look slightly different from the illustration in this section. Component (1) Speakers (2) (2) Internal display switch (3) Power button (4) Fingerprint reader (select models only) Description Produce - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 21
Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Embedded numeric keypad keys (6) Function keys Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 22
Audio-in (microphone) jack Description ● Blinking white: The 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 23
Right-side components Component (1) 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 24
an optional HDMI device. Connects an optional USB device or high-performance eSATA components, such as an eSATA external hard drive. Connects optional USB device. Supports optional ExpressCards. 16 Chapter 2 External component identification - HP ProBook 4425s | 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 4425s | 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 microphone (3) Webcam light (select models only) (4) Webcam (select models only) Description Turns off the display if the display is closed while the - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 27
, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. Wireless antennas (select models only) 19 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 28
Additional hardware components Component 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 29
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 period (5) Model description (select models - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 30
Computer major components 22 Chapter 3 Illustrated parts catalog - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 31
Item Description Spare part number (1) 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 32
1024-MB (10) Bluetooth module cable (included in Cable kit on page 30, part number 599525-001) (11) Bluetooth module (without cable) (12) Modem module NOTE: The use in Australia and New Zealand (13) WLAN module Spare part number 599572-001 599573-201 599573-121 599573-161 599573-001 599549-001 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 33
Item Description Spare 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 Adapter For use in Canada, the Cayman - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 34
Item Description Spare part number (18) System board (includes replacement thermal material) ● For use with discrete graphics subsystem and 33.8-cm (13.3-in) displays 607654-001 ● For use with UMA - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 35
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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 36
WWAN, red ● For 33.8-cm (14.0-in) displays without WWAN, 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 616070-001 599526-001 599527-001 605556-001 607094-001 607643 - HP ProBook 4425s | 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 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 39
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 617049-001 599543-001 599542-001 599541-001 599538-001 599540-001 599539-001 Mass storage devices 31 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 40
slotted-torx M2.5x3.0 ● Phillips P1 M2.5x5.0 ● Phillips P1 M2.5x3.0 ● Phillips P1 M2.0x3.0 ● Phillips P0 M2.0x2.5 ● Phillips M3.0x3.5 Spare part number 609939-001 609948-001 609940-001 609947-001 490371-D01 490371-011 490371-202 490371-D61 490371-291 490371-001 490371-AA1 490371-AD1 490371 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 41
Sequential part number listing Spare 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 Mobile - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 42
Spare part number 593533-001 593572-001 593573-001 593836-001 594165-001 594167-001 594170-001 594171-001 594173-001 598856-002 598859-002 599514-001 599515- - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 43
Spare part number 599543-001 599544-001 599549-001 599550-001 599551-001 599552-001 599553-001 599554-001 599559-001 599560-001 599563-001 599564 Display cable for 35.6-cm (14.0-in) displays with webcam Speaker assembly, 35.6-cm (14.0-in) Atheros AR 9285 802.11b/g/n Sequential part number listing 35 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 44
Spare part number 607094-001 607643-001 607644-001 607645-001 607646-001 607648-001 607649-001 607650-001 607651-001 607652-001 607653-001 607654-001 607656- - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 45
Spare part number 614963-001 614964-001 615575-001 615576-001 617049-001 617666-001 Description System board, for use with 33.8-cm (13.3-in 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 46
Flat-bladed screwdriver ● Phillips P0 and P1 screwdrivers ● Torx T8 screwdriver Service considerations The following sections include some of the considerations that you must keep pressure only at the points designated in the maintenance instructions. 38 Chapter 4 Removal and replacement procedures - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 47
Cables and connectors CAUTION: When servicing the computer, be sure that cables are placed in their possible. In all cases, avoid bending, twisting, or tearing cables. Be sure that cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. Handle - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 48
Grounding guidelines Electrostatic discharge damage Electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 49
material. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures must directly contact dissipative surfaces, use fixtures made only of static - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 50
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 ● Electrostatic voltage levels and - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 51
loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Serial number label The serial number label, technical support. NOTE: Serial number label color varies on select models. (1) Product name (2) Serial number (3) Product number (4) - HP ProBook 4425s | 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 53
SIM NOTE: This section applies only to select models with WWAN capability. NOTE: If there is a SIM inserted in the SIM slot, it must be removed before disassembling the computer. Be sure that the SIM is reinserted in the SIM slot after reassembling the computer. Before removing the SIM, follow - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 54
● For with 33.8-cm (13.3-in) displays, red ● For with 35.6-cm (14.0-in) displays ● For with 35.6-cm (14.0-in) displays, red Spare part number 599567-001 607652-001 599568-001 607653-001 Before removing the switch cover, follow these steps: 1. Shut down the computer. If you are unsure whether - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 56
Keyboard Description Spare part number Keyboard For computer models with 33.8-cm (13.3-in) displays 599572-xxx For computer models with 35.6-cm (14.0-in) displays: 599573-xxx NOTE: For a - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 57
2. Slide the keyboard back toward the display. 3. 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 58
Memory module Description Memory module (PC3-10600, 1333-MHz, DDR3, shared) 2048-MB 1024-MB Spare part number 598856-002 598859-002 Before removing the memory module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 60
Description Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive DVD ±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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 61
4. Remove 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 62
Power button board Description Power button board with cable (included with switch cover, see Switch cover on page 46) Before removing the power button board, 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 63
for use in computer models with 33.8-cm (13.3-in) displays Speakers for use in computer models with 35.6-cm (14.0-in) displays Spare part number 599566-001 605559-001 Before removing the speakers, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 65
description on page 1). Description Qualcomm EV-DO HSPA Spare part number 531993-001 CAUTION: To prevent an unresponsive system, replace the module to restore computer functionality, and then contact technical support through Help and Support. Before removing the WWAN module, follow these steps: - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 66
2. Disconnect the WWAN antenna cables from the terminals on the WWAN module. NOTE: The red WWAN antenna cable is connected to the WLAN module "Main" terminal. The 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 - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 68
.0-in) displays ● For use with fingerprint reader and 35.6-cm (14.0-in) displays, red ● For use with 35.6-cm (14.0-in) displays, red Spare part number 599549-001 599551-001 607648-001 607650-001 599550-001 599552-001 607649-001 607651-001 Before removing the palm rest, follow these steps: 1. Shut - HP ProBook 4425s | 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 fingerprint reader connector (1) and the TouchPad cable connector - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 71
includes a hard drive bracket. Description 500-GB, 7200-rpm hard drive 320-GB, 7200-rpm hard drive 250-GB, 7200-rpm hard drive Spare part number 599543-001 599542-001 599541-001 Before removing the hard drive, follow these steps: 1. Shut down the computer. If you are unsure whether the computer - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 73
RTC battery Description RTC battery Spare part number 599516-001 Before removing the RTC battery, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 74
WLAN module Description Spare part number Atheros AR 9285 802.11b/g/n 605560-005 Broadcom warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. Before removing the WLAN module, follow these steps: 1. Shut down the - HP ProBook 4425s | 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 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 77
Bluetooth module (Bluetooth module cable included in the Cable kit, part number 599525-001, see 537921-001 Cable kit on page 30) Before removing the Bluetooth module, follow these steps: 1. Shut down the computer. If you are - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 79
. 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 unsure - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 81
7. Following the sequence stamped into the heat sink, loosen the four PM2.5×10.0 captive screws (1) that secure the heat sink to the processor. NOTE: Loosen the two additional screws that secure the heat sink to the graphics devices on models with discrete graphics subsystem memory. 8. Lift the heat - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 82
NOTE: The thermal material must be thoroughly cleaned from the surfaces of heat sink for the UMA system board (1), (2), and (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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 83
Tri-Core 1.8Ghz 1.5M L2 25W ● Turion II P520 DDR3-1066 Mhz ● Athlon II P320 DDR3-1066 Mhz ● Sempron N120 DDR3-1066 Mhz Spare part number 594170-001 594167-001 594173-001 594165-001 594171-001 Before removing the processor, follow these steps: 1. Shut down the computer. If you are unsure - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 85
connector cable is included in the Cable kit on page 30, part number 599525-001. Before removing the power connector cable, follow these steps from the system board (1). 3. Remove the modem cable (2) from the routing in the base enclosure. 4. Remove the power connector cable Reverse this procedure - HP ProBook 4425s | 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 87
with 33.8-cm (14.0-in) displays without WWAN, red ● For use with 35.6-cm (14.0-in) displays with webcam and without WWAN, red Spare part number 599534-001 605558-001 605557-001 599535-001 599526-001 599527-001 605556-001 607094-001 607643-001 607644-001 607645-001 607646-001 Before - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 88
assembly when removing the following screws. Failure to support the display assembly can result in damage to the 2. Disconnect the display cable from the system board (2), and remove all cables from the routing channels along the top cover (3). 3. Lift the display assembly (4) straight up and remove - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 89
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 (1). b. Flex - HP ProBook 4425s | 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 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 92
. 12. Gently pull the integrated microphone (1) from the clips at the top of the display back cover, remove the display cable from the clips and routing channels (2) along the bottom of the display back cover, and then remove the display cable (3). The display/mic/webcam cable is included in the - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 93
remove the wireless antennas and cables: a. Detach the WLAN antennas (1) and the WWAN antennas (2) from the 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 94
Top cover Description Top cover For use with 33.8-cm (13.3-in) displays For use with 35.6-cm (14.0-in) displays Spare part number 599569-001 599570-001 Before removing the top cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 96
for use in all countries and regions except Australia and New Zealand High-speed 56K modem for use in Australia and New Zealand Spare part number 510100-001 510100-011 Before removing the modem module, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 98
China and Russia ● For use with UMA graphics subsystem and 35.6-cm (14.0-in) displays in the People's Republic of China and Russia Spare part number 607654-001 607656-001 614963-001 614962-001 614964-001 Before removing the system board, follow these steps: 1. Shut down the computer. If you are - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 99
l. Top cover (see Top cover on page 86) m. Power connector and cable When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory module (see Memory module on page 50) ● WLAN module (see - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 100
USB connector board Description USB board with cable Spare part number 599524-001 Before removing the USB connector assembly, follow these steps: 1. . 2. Release the USB connector board cable from the base enclosure clips and routing channel (1). 92 Chapter 4 Removal and replacement procedures - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 102
Modem module cable NOTE: The modem module cable with RJ11 connector is included in the Cable kit on page 30, part number 599525-001. Before removing the modem module cable, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 104
Some of the Computer Setup menu items listed in this guide may not be supported by your computer. NOTE: An external keyboard connected by USB can be used with Computer Setup only if USB legacy support is enabled. To start Computer Setup, follow these steps: 1. Turn on - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 105
exit Computer Setup without saving your changes, click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - use the tab key and the arrow keys to select File>Ignore changes and exit, and then press enter. - or - ● To save your preferences - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 106
the arrow keys to select File>Save changes and exit. Then follow the instructions on the screen. Your preferences go into effect when the computer restarts. Computer Setup menu items listed in this chapter may not be supported by your computer. File menu Select System information Set system date - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 107
listed in this section may not be supported by your computer. Select To do this a BIOS administrator password. HP SpareKey Enrollment Enroll or reset HP SpareKey, which is a cycle 3 times. ● Custom: Allows you to select the desired number of Disk Sanitizer erase cycles from a list. ● Last Pass: - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 108
Some of the listed System Configuration options may not be supported by your computer. Select Language Boot options To do 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 109
Security Defaults To do this ● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard HP QuickLook. ● Enable/disable HP QuickLook preboot authentication on HP QuickLook boot. ● Enable/disable HP QuickWeb. ● Enable/disable HP QuickWeb - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 110
: Some of the Computer Setup menu items listed in this guide may not be supported by your computer. NOTE: An external keyboard or mouse connected main Computer Setup screen, press esc, and then follow the on-screen instructions. NOTE: You can use either a pointing device (TouchPad, pointing stick, - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 111
Computer Setup menus without saving your changes, click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the tab key and the arrow keys to select File > Ignore changes and exit, and then press enter. - or - ● To save your changes - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 112
this section provide an overview of Computer Setup options. NOTE: Some of the Computer Setup menu items listed in this chapter may not be supported by your computer. File menu Select System Information Set System Date and Time Restore defaults Ignore changes and exit Save changes and exit To do - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 113
section may not be supported by your computer. Select Setup BIOS Administrator Password User Management (requires a BIOS administrator password) Password Policy (requires a BIOS administrator password) HP SpareKey Always Prompt for HP SpareKey Enrollment Allow Reset of HP ProtectTools security keys - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 114
Diagnostics menu Select System Diagnostics Menu To do this ● System Information-Displays the following information: ◦ Identification information for the computer and the batteries in the system. ◦ Specification information for the processor, cache and memory size, system ROM, video revision, and - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 115
● Set the boot order. ● Enable/disable USB legacy support (enabled by default). When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in HP QuickLook. ● Enable/disable HP QuickLook preboot authentication on HP QuickLook boot. ● Enable/disable HP QuickWeb. ● Enable/disable HP - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 116
Select Built-In Device Options Port Options (all are enabled by default) Set Security Level Restore Security Defaults To do this ● Enable/disable the wireless button state (enabled by default). ● Enable/disable embedded WWAN device radio (enabled by default). ● Enable/disable embedded Bluetooth® - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 117
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 arrow keys to select File > Ignore Changes And Exit. Then follow the instructions on the screen. ● To save your preferences and exit Computer Setup, - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 118
keys to select File > Save Changes And Exit. Then follow the instructions on the screen. Your preferences go into effect when the computer restarts. Computer Setup menu items listed in this chapter may not be supported by your computer. File menu Select System information Restore Defaults Ignore - HP ProBook 4425s | 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 the Disk Sanitizer erase cycle 3 times. ● Custom: Allows you to select the desired number of Disk Sanitizer erase cycles from a list. CAUTION: If you run Disk Sanitizer, the - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 121
: Some of the listed System Configuration options may not be supported by your computer. Select Language Boot options To do this floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller Computer Setup in - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 122
options Port options To do this ● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in HP QuickLook. ● Enable/disable HP QuickLook preboot authentication on HP QuickLook boot. ● Enable/disable HP QuickWeb. ● Enable/disable HP QuickWeb - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 123
6 Specifications Computer 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 124
. 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 Format Configuration Backlight Character display Total power consumption Viewing angle 20.83 - HP ProBook 4425s | 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 Backlight Character display Total power consumption Viewing angle 17.6 cm (17.6 cm) 31.1 cm (12. - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 126
referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. 118 Chapter 6 Specifications - HP ProBook 4425s | 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 2 DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18, CD-ROM (Mode 1 and 2), CD Digital Audio, CD-XA ready (Mode 2, Form 1 and Form 2), CD-I ( - HP ProBook 4425s | 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 time DVD CD Cache buffer Data transfer rate 24X CD-ROM 8X DVD-ROM 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM Transfer mode CD-DA, CD+(E)G, CD-MIDI, - HP ProBook 4425s | 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 8X DVD-ROM 4X BD 24X CD-R 16X CD-RW 8X DVD+R 4X DVD+RW 8X DVD-R 4X DVD-RW 2.4X DVD+R(9) 5X DVD-RAM 1X BD-ROM 1X BD-R read 1X BD - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 130
(I/O) ports, interrupt request (IRQ) lines, and memory addresses. If two devices require the same resource and create a device conflict, you can manually change the resource settings in Device Manager to be sure each setting is unique. CAUTION: Improperly changing resource settings can disable your - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 131
the computer to a previous state ● Recovering information using recovery tools NOTE: For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that you print the recovery procedures and save them for later use. Backing up - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 132
, press alt+fn+prt sc. To copy the entire screen, press fn+prt sc. 3. Open a word-processing support store more information than CDs, so using them for backup reduces the number of recovery discs required. ● When backing up to discs, number . 2. Follow the on-screen instructions to set up your backup, - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 133
use Windows Startup Repair to fix problems that might prevent Windows from starting reinstalls the operating system and HP programs and drivers that were instructions. NOTE: Windows 7 provides additional recovery tools through the operating system. For additional information, go to Help and Support - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 134
using recovery tools NOTE: For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that you print the recovery procedures image: To copy only the active window, press alt+fn+prt sc. To copy the entire screen, press fn+prt - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 135
support store more information than CDs, so using them for backup reduces the number of recovery discs required. ● When backing up to discs, number 2. Follow the on-screen instructions to back up your entire Startup Repair to fix problems that might prevent Windows section in this guide. Using the - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 136
instructions. NOTE: For additional information on recovering information using the Windows tools, perform a search for these topics in Help and Support HP Recovery partition. To find the partition, select Start > Computer. NOTE: If the HP separately)" section in this guide. 3. Turn on or restart - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 137
operating system DVD, go to http://www.hp.com/support, select your country or region, and follow the on-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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 138
For detailed instructions, perform a search for these topics in Help and Support. NOTE: In case of system instability, HP recommends that copy only the active window, press alt+fn+prt sc. To copy the entire screen, press fn+prt sc. c. Open a word-processing document, click Edit > Paste. 130 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 139
screen instructions. NOTE: For additional information on initiating a recovery in Windows, perform a search for this topic in Help and Support. and drivers. Software, drivers, and updates not installed by HP must be manually reinstalled. To recover your operating system and programs, follow - HP ProBook 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 141
Linux backup and recovery Use the instructions in this section if SUSE Linux SLED 11 is installed drivers that were installed at 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 - HP ProBook 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 150
9 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 151
5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V) configuration. 3. The appliance coupler, flexible cord, and wall plug must bear a "T" mark and registration number in accordance with the Japanese Dentori Law. The flexible cord must be Type VCT or VCTF, 3-conductor, 1.00-mm² conductor size. The wall - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 152
remove these components, handle them carefully. NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display assembly that site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled - HP ProBook 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 158
options 108 Wake on LAN 108 wireless button 108 WWAN device radio 108 buttons power 12 C cable kit contents 30 spare part number 30 cables, service considerations 39 caps lock light, identifying 11 chipset, product description 1 components additional hardware 20 bottom 17 display 18 front 14 left - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 159
spare part number 24, 71 HP Mobile Broadband Module spare part number 33 HP QuickLook 107, 114 HP SpareKey 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 - HP ProBook 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 160
Bus (USB) port 140 plastic parts 38 Plastics Kit contents 29 spare part number 29 pointing devices, product description 5 port options ExpressCard slot 108 flash media 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 4425s | HP ProBook 4325s, 4326s and 4425s Notebook PCs - Maintenance - Page 161
DriveLock 105 HP Sparekey 105 HP Sparekey enrollment 105 password policy 105 set up BIOS administrator password 105 System IDs 105 user management 105 security, product description 5 serial number label, location 21 serial number lablel, location 43 service considerations 38 serviceability, product - HP ProBook 4425s | 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.