HP ProBook 4420s Support Question
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Question posted by sekishu on September 10th, 2014
How To Disable Wireless On/off Switch On Hp 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
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 5
... ...9 Identifying hardware ...9 Top components ...10 TouchPad ...10 Lights ...11 Buttons, speakers, switches, and fingerprint reader (select models only 12 Keys ...13 Front components ...14 Right-side components ...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...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
HP ProBook 4420s Notebook PC
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HP ProBook 4421s Notebook PC
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Intel® Arrandale™
● i7-620M, 2.66-GHz (Turbo up to 3.33 GHz),
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4-MB L3 cache, 4 threads
● i5-...
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
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
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
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
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√
10/100/1000 Ethernet network interface card (NIC)
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...
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)
√
√
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√
Combo eSATA/USB 2.0 (1)
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√
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√
HDMI
√
√
√
√
VGA (Dsub 15-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
...English,
Brazil, Latin America, Latin America - English, Brazil,
Latin America, Latin America - English, Brazil, Latin America, Latin America - 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)
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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 Ready DVD
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√
√
√
DRDVD Windows 7 Home Premium/Windows 7
√
√
√
√
Professional
DRDVD Windows 7 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 19
... 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 on. ● Amber: All wireless devices are off . ● Off: The TouchPad is on .
Lights
Component (1) TouchPad off indicator
(2) Caps lock...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 22
... (XD) ● xD-Picture Card (XD) Type H ● xD-Picture Card (XD) Type M
Produces sound when connected to the headphone jack, the computer speakers are disabled. NOTE: When a device is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the hard drive.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 70
... 531993-001
CAUTION: To prevent an unresponsive system, replace the wireless module only with include a WWAN module (see Switch cover on page 53)
Remove the WWAN module:
1. Disconnect all... "Aux" terminal.
3. Disconnect the WWAN antenna cables (1) from the computer.
4. Remove the switch cover (see Product description on , and then shut it down the computer.
Position the computer right...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 78
...technical support through the operating system.
2. Lucia, St. Remove the battery (see Switch cover on page 53)
c. If you replace the module and then receive a ..." terminal.
70 Chapter 4 Removal and replacement procedures Position the computer right-side up with a wireless module authorized for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina,...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 111
... Drive Electronics)
● Enable/disable HP QuickLook.
● Enable/disable HP QuickLook preboot authentication on HP QuickLook boot.
● Enable/disable HP QuickWeb.
● Enable/disable HP QuickWeb: Write Protect (disabled by default).
● Enable/disable Intel® HT Technology.
● Enable/disable Wake on USB (disabled by default).
● Enable/disable Numlock state at boot...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 112
... Setup
Navigating and selecting in 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.
Change, view, or hide security levels for Startup
Menu" message is displayed...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 116
... drive is a set of security questions and answers used if you enter Computer Setup by your password.
● Enable/disable DriveLock on any computer hard drive (enabled by default). HP SpareKey
Enable/disable HP SpareKey (disabled by default).
● Change a DriveLock user password or master password.
NOTE: DriveLock settings are accessible only when you forget...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 119
... (enabled by default).
● Enable/disable the microphone. ● Enable/disable a modem device (enabled by default). ● Enable/disable the embedded WLAN device (enabled
by default).
● Enable/disable LAN/WLAN switching (disabled by default. ● Enable/disable the ExpressCard slot. ● Enable/disable the flash media reader. ● Enable/disable the USB port.
enabled by...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159
...eSATA port, identifying 16 esc key, identifying 13 Ethernet, product description 4 Execution Disable 110 ExpressCard slot bezel,
illustrated 31 ExpressCard slot, identifying 16 external media cards...removal 74 spare part number 26, 74 HP Mobile Broadband Module spare part number 36 HP QuickLook 2 110 HP SpareKey enrollment 108
I internal display switch,
identifying 12, 18 internal microphone,
...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 161
... Sanitizer 108 DriveLock 108 HP Sparekey 108 HP Sparekey enrollment 108 password policy...start-up test 109 static-shielding materials 47 stringent security 114 switch cover removal 51 spare part number 23, 51 system board... 129, 132 Windows Vista operating system
DVD 130 wireless antenna,
disconnecting 62, 70 wireless antennas 19 wireless, product description 4 WLAN antennas, identifying 19 WLAN...
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