Get support for HP ProBook 4420s - Notebook PC

HP ProBook 4420s Support Question

HP ProBook 4420s Support Question

Find answers below for this question about HP ProBook 4420s - Notebook PC.
Need a HP ProBook 4420s manual? We have 3 online manuals for this item!
Question posted by sekishu on September 10th, 2014

How To Disable Wireless On/off Switch On Hp 4420s

The person who posted this question about this HP product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.

Current Answers

There are currently no answers that have been posted for this question.
Be the first to post an answer!

Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.

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 √ √ HP ProBook 4421s Notebook PC √ Intel® Arrandale™ ● i7-620M, 2.66-GHz (Turbo up to 3.33 GHz), √ √ √ √ 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 √ √ √ √ 10/100/1000 Ethernet network interface card (NIC) √ √ √ √ ...
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) √ √ √ √ Combo eSATA/USB 2.0 (1) √ √ √ √ 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) √ √ √ √ 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 √ √ √ √ 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...

Similar Questions

Hp 4420s Screen Is Flickering
my laptop hp 4420s probook screen is flickering freqently... when attached to external screen no pro...
(Posted by suppinangady 9 years ago)
Ask a New Question
Use the box below to post a new question about this HP product .
Points & Prizes
  • You can earn points for nearly everything you do on HelpOwl.com
  • You can trade in those points for gift cards at leading retailers such as Amazon.com and Walmart
  • It's that simple!
See How it Works
Create a Free Account

HP Manuals

Find free HP ProBook 4420s - Notebook PC manuals and user guides available at ManualOwl.com. Try out our unique manual viewer allowing you to interact with manuals from directly within your browser!

HP Reviews

View thousands of HP user reviews and customer ratings available at ReviewOwl.com.

Contact Information

Complete HP customer service contact information including steps to reach representatives, hours of operation, customer support links and more from ContactHelp.com.

Scoreboard Ratings

See detailed HP customer service rankings, employee comments and much more from our sister site.

HP Recalls

Find comprehensive HP recall information updated hourly on RecallOwl.com.