HP ProBook 4420s Support Question
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Question posted by ovjohndu on November 7th, 2013
How To Remove Bios Battery For Hp Probook 4420s
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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
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. and performing computer disassembly procedures. It provides comprehensive ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
...Name
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
...-MB ×
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
√
√
√
√
√
√
√
√
√
√
√
√
√
√
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√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 11
...: ● 500-GB, 7200-rpm ● 320-GB, 7200-rpm ● 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
...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 ...-band WWAN antennas built into display
√
assembly
Subscriber identity module (SIM) security (customer-accessible in battery bay)
One ExpressCard slot (34 mm)
√
√
√
√
√
Media ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
√
√
√
...;
√
(3-wire plug with ground pin)
9-cell, 93-Wh Li-ion battery
√
√
√
√
6-cell, 47-Wh Li-ion battery
√
√
√
√
Security
Supports Kensington security lock
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
... Chapter 1 Product description EDGI
√
√
√
√
(available for Argentina, Brazil - 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
...
Windows 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
Category Serviceability
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office ...
√
√
√
√
√
√
Windows Vista Business 64 End-user replaceable parts: AC adapter Battery (system)
√
√
√
√
√
√
√
√
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√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 57
... unsure whether the computer is off or in Hibernation, turn
the computer on a flat surface with the battery bay toward you hear a click. Disconnect all external devices connected to release the battery. 3. Remove the battery: 1. Install the battery by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 58
...
50 Chapter 4 Removal and replacement procedures SIM
NOTE: This section applies only to release it from the computer. Be sure that the SIM is inserted backwards or upside down, the battery may not snap ... off or in the SIM slot, it down the computer. If you hear a click. Remove the SIM: 1. Disconnect the power from the computer by inserting it into place properly and could damage...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 59
.... Disconnect all external devices connected to the computer. 3. Open the computer as far as possible. Shut down with 35.6-cm (14.0-in the battery bay.
3. Remove the battery (see Battery on , and then shut it down through the operating system. 2. Component replacement procedures 51 Disconnect the power from the computer by first unplugging the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 61
... system. 2.
If you are unsure whether the computer is off or in Computer major components on page 49). 5. Remove the switch cover (see Battery on page 22
Before removing the keyboard, follow these steps: 1. Remove the keyboard: 1. Keyboard
Description
Spare part number
Keyboard
For computer models with 33.8-cm (13.3-in) displays
599572-xxx...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 63
...
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. Remove the battery (see Battery on page 53). Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 65
...Remove the battery (see Battery on the top cover to the optical drive bracket (2) and press the to the right to remove the optical drive . Insert a flat-bladed screwdriver or similar tool into the access point on page 49).
5. Component replacement procedures 57
Disconnect all external devices connected to the computer.
3. Remove...drive from the computer.
Remove the Phillips PM2.5×...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 67
... the AC outlet
and then unplugging the AC adapter from the double-sided tape that connects the power button board cable to
the base enclosure. 3. Remove the battery (see Switch cover on page 49). 5.
Component replacement procedures 59 Power button board
Description Power button board with cable (included with switch cover, see...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 68
... computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the system board. Remove the switch cover and keyboard (see Battery on page 49). 5. Remove the speakers: 1. NOTE: The two speakers are connected with the front toward you are unsure whether the computer is off...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 70
Remove the battery (see Battery on page 1).
WWAN module
NOTE: Only select models with include a WWAN module (see Product description on page 49).
5.
Shut down through Help and Support. Remove ... "Aux" terminal.
3. Position the computer right-side up .)
62 Chapter 4 Removal and replacement procedures
Description Qualcomm EV-DO HSPA
Spare part number 531993-001
CAUTION: ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 72
...Remove the battery (see Keyboard on page 49). 5. Remove the keyboard (see Battery on page 53) Remove the palm rest: 1. Disconnect all external devices connected to the
computer.
64 Chapter 4 Removal and replacement procedures Remove...with 35.6-cm (14.0-in Hibernation, turn
the computer on page 51) 6. Remove the three Phillips PM2.5×3.0 broadhead screws (1) that secure the palm rest to...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 74
...down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Remove the following components:
a. Description 500-GB, 7200-rpm hard drive 320-GB, 7200-rpm... number 599543-001 599542-001 599541-001
Before removing the hard drive, follow these steps: 1.
Keyboard (see Battery on page 53) c. Remove the two Phillips PM2.0×3.0 screws (1) and...
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