HP ProBook 4420s Support Question
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Question posted by hajohnb on January 28th, 2014
How To Unlock Keyboard Probook
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Related HP ProBook 4420s Manual Pages
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
troubleshooting computer problems; HP ProBook 4320s Notebook PC HP ProBook 4321s Notebook PC HP ProBook 4420s Notebook PC HP ProBook 4421s 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, ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 6
Workstation guidelines 46 Equipment guidelines 47 Component replacement procedures 48 Serial number label ...48 Computer feet ...48 Battery ...49 SIM ...50 Switch cover ...51 Keyboard ...53 Memory module ...55 Optical drive ...57 Power button board ...59 Speakers ...60 WWAN module ...62 Palm rest ...64 Hard drive ...66 RTC battery ...68 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...
Processors
Chipsets Graphics Panels
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
HP ProBook 4320s Notebook PC
√
√
NOTE: Discrete not for use in the People's Republic of China.
HP ProBook 4420s Notebook PC
√
√
HP ProBook 4421s Notebook PC
√
Intel® Arrandale™
●...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10
... ×
1) ● 2048-MB total system memory (1024-MB ×
2, dual channel) ● 1024-MB total system memory (1024-MB ×
1)
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 11
...; 250-GB, 7200-rpm HP 3D DriveGuard (not available on Linux) Fixed 12.7-mm (0.50-in Brazil Modem cable not included
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 12
Category Ethernet Wireless
External media cards Ports
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Supports no modem option
√
√
√
√
10/100/1000 Ethernet network interface card (NIC)
√
√
√
√
...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13
...
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
√
√
√
√
Combo eSATA...Multi-pin AC power
√
√
√
√
Keyboard and
33.8-cm (13.3-in) keyboard with TouchPad
pointing devices
√
√
35.6-cm (14.0-in) keyboard with TouchPad
√
√
TouchPad only, with 2 TouchPad buttons...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
... Windows XP Professional images) with Office 2007 Ready - EDGI
√
√
√
√
(available for Argentina, Brazil -
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Windows 7 Starter with Office 2007 Ready (excludes Japan)
√
√
√
√
Windows 7 Starter with...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 15
... 7 Home Premium 32
Windows 7 Home Basic 32
Windows 7 Starter
Windows Vista Business 32
Windows Vista Home Basic 32
Windows XP Professional
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16
...
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office Ready DVD
√
√...√
√
√
√
√
√
√
√
√
√
√
√
Bluetooth module Keyboard Speaker assembly
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 31
...) displays ● For with 35.6-cm (14.0-in) displays, red
599567-001 607652-001 599568-001 607653-001
Power button board (included with switch cover)
Keyboard
In computer models with 33.8-cm (13.3-in) displays: ● For use in Belgium ● For use in Brazil ● For use in Bulgaria ●...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 48
....8-cm (13.3-in), for use in Canada (French) Keyboard, 33.8-cm (13.3-in), for use in Portugal Keyboard, 33.8-cm (13.3-in), for use in Turkey Keyboard, 33.8-cm (13.3-in), for use in Latin America Keyboard, 33.8-cm (13.3-in), for use in Saudi Arabia Keyboard, 33.8-cm (13.3-in), for use in Brazil...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 49
...-BB1 599573-BG1 599573-DD1 599573-DJ1
Description
Keyboard, 33.8-cm (13.3-in), for use in Switzerland Keyboard, 33.8-cm (13.3-in), for use in Iceland Keyboard, 33.8-cm (13.3-in), for use in Greece Keyboard, 33.8-cm (13.3-in), for use in French Arabic region Keyboard, 35.6-cm (14.0-in), for use in the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 50
... 607652-001 607653-001 608266-001
608267-001
608736-001 608737-001 608738-001 608739-001 608740-001 608741-001 608742-001 608743-001
Description
Keyboard, 35.6-cm (14.0-in), for use in French Arabic region Processor heat sink for use with discrete graphics subsystem Processor heat sink for use with...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 60
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.
52 Chapter 4 Removal and replacement procedures
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 61
... adapter from the computer. 4. Remove the switch cover (see Switch cover on , and then shut it down the computer. Component replacement procedures 53 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, remove four screws...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 62
2. Remove the keyboard (3).
54 Chapter 4 Removal and replacement procedures Slide the keyboard back toward the display (1), and then rotate it right (2) until it rests upside down on the right side of the computer.
3. 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.
4.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 63
... the system board, and then rotate it right until it down the computer.
Disconnect all external devices connected to remove the memory modules. Remove the keyboard (see Switch cover on the right side of the module opposite the slot rises away from the computer.)
Component replacement procedures 55 Position the computer...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 65
... it left side of the computer to release the optical drive from the computer.
4. Remove the keyboard (see Switch cover on the top cover to the optical drive bracket (2) and press the to ... drive . If you .
2. Remove the switch cover (see Keyboard on page 53)
NOTE: You can release the keyboard without removing the keyboard cable from the system board, and then rotate it rests upside down...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 124
...
when a your computer. When enabled,
USB legacy support allows the following: ◦ Use of a USB keyboard in seconds. ● Set the boot order.
◦ 1st boot device: USB CD-ROM ◦ ...2nd boot device: USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller
●...
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