HP ProBook 4421s Support Question
HP ProBook 4421s Support Question
Find answers below for this question about HP ProBook 4421s - Notebook PC.Need a HP ProBook 4421s manual? We have 3 online manuals for this item!
Question posted by amtullha on June 27th, 2012
How I Reinsult My Wlan Plz Help Me
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Related HP ProBook 4421s Manual Pages
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
... procedures. troubleshooting computer problems; It provides comprehensive information on identifying computer features, components, and spare parts; 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.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 6
... ...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 WLAN module ...69 Bluetooth module ...72 Heat sink and fan ...74 Processor ...78 Power connector cable ...80 Display assembly ...81 Top cover ...89 Modem module ...91...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
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320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
HP ProBook 4320s Notebook PC
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NOTE: Discrete not for use in the People's Republic of China. HP ProBook 4321s Notebook PC
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NOTE: For use in ) HD (1366×768 resolution)
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1 HP ProBook 4420s Notebook PC
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HP ProBook 4421s Notebook PC
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Intel®...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 12
...
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Supports no modem option
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10/100/1000 Ethernet network interface card (NIC)
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S3/S4/S5 wake on LAN (AC only mode)
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Integrated WLAN options by way of wireless...
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
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&#...
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Hard drive Memory module Optical drive WLAN module
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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 17
In Windows® 7: ▲ Select Start > Control Panel > System and Security > Device Manager. Refer to Help and Support for more information. Refer to Help and Support for more information. You can also add hardware or modify device configurations using Device Manager. 2 External component identification
Identifying hardware
Components included with ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 19
... computer is in Standby. ● Off: The computer is off or in Hibernation. ● White: An integrated wireless device, such as a wireless
local area network (WLAN) device and/or a Bluetooth® device, is being opened or closed. On: Caps lock is on. Lights
Component (1) TouchPad off indicator
(2) Caps lock light (3) HP...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 27
...the Regulatory, Safety and Environmental Notices that applies to communicate with wireless local area networks (WLANs).
*The antennas are not visible from the outside of the computer. Wireless antennas (... only)
The antennas send and receive signals from obstructions. These antennas are located in Help and Support. Wireless antennas (select models only) 19 For optimal transmission, keep the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 31
Item (1)
(2) (3) (4)
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-cm 13.3-in ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 34
... in the Cable kit. The modem module cable is included in Cable kit on page 32 for use in Australia and New Zealand
510100-011
WLAN module
Intel® Centrino™ Advanced-N 6200 802.11a/b/g 2x2
For use in Andorra, Antigua and Barbuda, Argentina, Aruba, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Barbados...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 38
...) displays with webcam ● Display cable for 33.8-cm (13.3-in) displays without webcam ● Display cable for 35.6-cm (14.0-in) displays without webcam (6) WLAN antennas and cables (included with back cover) (7) WWAN antennas and cables (included with back covers used with WWAN option) (8) Display back cover ● For 33...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 70
...the WWAN module, follow these steps:
1. Disconnect all external devices connected to the WLAN module "Main" terminal. Remove the keyboard (see Battery on page 53)
Remove the...the computer.
4. WWAN module
NOTE: Only select models with the front toward you.
2. Shut down through Help and Support. The blue WWAN antenna cable is off or in your country or region. Disconnect the power from...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 77
..., Slovakia, Slovenia, South Africa, South Korea, Spain, Sweden, Switzerland, Taiwan, Tanzania, Thailand, Trinidad and Tobago, Turkey, the United Arab Emirates, the United Kingdom, Uruguay, the U.S. WLAN module
Description
Spare part number
Intel® Centrino™ Advanced-N 6200 802.11a/b/g 2x2
For use in Andorra, Antigua and Barbuda, Argentina, Aruba, Australia, Austria...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 78
... 4 Removal and replacement procedures Remove the battery (see Palm rest on page 53)
c.
The white WLAN antenna cable is connected to restore computer functionality, and then contact technical support through the operating system.
2. Shut down through Help and Support. Description
Spare part number
For use in the computer by first unplugging the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 79
... are designed with a notch (4) to install the WLAN module.
Reverse this procedure to prevent incorrect insertion. Remove the WLAN module (3) by pulling the module away from the computer.)
4. 3. Component replacement procedures 71
Remove the two Phillips PM2.5×3.0 screws (2) that secure the WLAN module to the computer. (The edge of the module opposite...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 96
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 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 101
... page 66) j. Shut down through the operating system. 2. SIM (see Keyboard on page 69) i. Keyboard (see SIM on page 81) l. WLAN module (see Top cover on page 49). 5. Top cover (see WLAN module on page 53) d. Power connector and cable
Component replacement procedures 93 Disconnect all external devices connected to the computer...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 102
... system board from the defective system board and installed on the replacement system board: ● Memory module (see Memory module on page 55) ● WLAN module (see WLAN module on page 69) ● WWAN module (see WWAN module on page 62) ● Modem module (see Modem module on page 91) ● Processor...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 111
...
To do this
● Enable Fn Key Switch
● Enable/disable USB legacy support. When enabled, the processor can disable some virus code execution, which helps to an AC outlet.
● Enable/disable Data Execution Prevention (select models only). Computer Setup in Computer Setup even when your operating system is not...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 112
... Computer Setup
The information and settings in this
● Enable/disable the wireless switch state. ● Enable/disable embedded WLAN device radio. ● Enable/disable Network Interface Controller (NIC). ● Enable/disable LAN/WLAN Switching (disabled by your computer. Turn on LAN state.
◦ Disabled ◦ Boot to enter BIOS Setup.
NOTE...
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