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!

HP Overview Questions Manuals Reviews Videos Research

Question posted by matpennstp on August 9th, 2011

Somehow While Pressing The Keys Suddenly My Touch Pad Got Locked And The Red Lig

this question is for HP ProBook 4420s

I Know the Answer!

I have the same question
Request More Information

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 5

... 1 Product description ...1 2 External component identification ...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...

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) √ √ √...√ 6-cell, 47-Wh Li-ion battery √ √ √ √ Security Supports Kensington security lock √ √ √ √ Intel AT support √ √ √ √ Operating system ...

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 XP Professional √ √ √ √ DRDVD Windows Vista √ √ √ √ Red Flag Linux (in the People's Republic of China √ √ √ √ only) SUSE Linux √...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 19

... on. Top components 11 Lights Component (1) TouchPad off indicator (2) Caps lock light (3) HP QuickLook light (4) HP QuickWeb light (5) Power light (6) Wireless light Description ● Amber: The TouchPad is off. ● Off: The TouchPad is on. Blinking: The Web browser is being ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 20

...the display is closed while the power is on , press the button to shut down the computer. ● When the computer is in Standby, press the button briefly to exit Standby. ● When ...computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off , press the button to turn on the computer. ● When the...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 21

... Executes frequently used system functions when pressed in combination with the fn and num lk keys. Displays a shortcut menu for items beneath the cursor. Keys Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Embedded numeric keypad keys (6) Function keys Description Displays system information when pressed in combination with a function key or the esc...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 31

... board) ● For with 33.8-cm (13.3-in) displays ● For with 33.8-cm (13.3-in) displays, red ● For with 35.6-cm (14.0-in) 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...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 33

... ● For use with fingerprint reader and 33.8-cm (13.3-in) displays, red ● For use with 33.8-cm (13.3-in) displays, red ● For use with fingerprint reader and 35.6-cm (14.0-in) displays &#...; For use with fingerprint reader and 35.6-cm (14.0-in) displays, red ● For use with 35.6-cm (14.0-in) displays, red Top heat shield/bracket (included with top cover) Fan Spare part number ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 38

... webcam and without WWAN ● For 33.8-cm (13.3-in) displays with webcam and without WWAN ● For 33.8-cm (13.3-in) displays without WWAN, red ● For 33.8-cm (13.3-in) displays with display assembly; Item Description (1) Display bezel ● For 33.8-cm (13.3-in) displays with webcam ● For...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 47

... with Touchpad and fingerprint reader for use with 35.6-cm (14.0-in) displays Palm rest with Touchpad for use with 33.8-cm (13.3-in) displays, red Palm rest with Touchpad for use with 35.6-cm (14.0-in) displays Display assembly, 33.8-cm (13.3-in) HD (1366x768 resolution) Display assembly, 33.8-cm...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 50

... rest with Touchpad for use with 33.8-cm (13.3-in) displays, red Palm rest with Touchpad for use with 35.6-cm (14.0-in) displays, red Switch cover, 33.8-cm (13.3-in), red Switch cover, 35.6-cm (14.0-in), red System board, for use with 35.6-cm (14.0-in) models with discrete graphics subsystem in...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 106

... used with a secondary hard drive (drive D), the optical drive becomes drive E. NOTE: An external keyboard connected by your operating system opens and while the "Press the ESC key for Startup Menu" message is enabled. On models with Computer Setup only if USB legacy support is displayed at the bottom of the screen...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 107

... the values that were set at the factory, follow the on or restarting the computer, and then pressing esc while the "Press the ESC key for the processor, cache and memory size, and system ROM. NOTE: Your password settings and security settings are not changed when you restore the factory ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 112

...disable Network Interface Controller (NIC). ● Enable/disable LAN/WLAN Switching (disabled by your computer. Press f10 to a USB port can be used with Computer Setup only if USB legacy support is not...). ● Set the wake on or restart the computer, and then press esc while the "Press the ESC key for all BIOS menu items. Restore the default security settings. Computer Setup ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 113

...: 1. Follow the on -screen instructions. - Turn on or restart the computer, and then press esc while the "Press the ESC key for Startup Menu" message is displayed at the bottom of the screen. ● To select ...a menu or a menu item, use the tab key and the keyboard arrow keys and then press enter, or use a pointing device to click the item. ● To scroll up...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 120

...are by keystroke: ● To choose a menu or a menu item, use the arrow keys. ● To select an item, press enter. ● To close open dialog boxes and return to the values that were set .... To save your preferences and exit Computer Setup, use the arrow keys to select File > Restore Defaults, and then press enter. 3. Restoring factory settings in Computer Setup To return all settings...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 135

... purchase a Windows 7 Operating System DVD to restore the contents of system instability, HP recommends that were installed at the bottom of the screen. 4. If the HP Recovery partition is listed, restart the computer, and then press esc while the "Press the ESC key for recovery" message is displayed at the factory. CAUTION: Using f11 completely...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 138

... you must be reinstalled. Turn on or restart the computer, and then press esc while the "Press the ESC key for the presence of the screen. 4. To initiate recovery using a Windows... Vista operating system DVD, follow these steps: NOTE: This process takes several minutes. 1. NOTE: If the HP...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 158

...AC adapter, spare part numbers 34 antenna, disconnecting 62, 70 antennas WLAN 19 WWAN 19 applications key, Windows 13 audio, product description 3 audio-in (microphone) jack pin assignments 134 audio-in ... C cable kit contents 32 spare part number 32 cables, service considerations 44 caps lock light, identifying 11 chipset, product description 1 components additional hardware 20 bottom 17 display...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159

... 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, ...keys embedded keypad 13 esc 13 fn 13 function 13 Windows applications 13 Windows logo 13 L language, changing in Computer Setup 110 latches, battery release 17 legacy support, USB 98, 103, 104, 110, 112 , 116 lights AC adapter 16 caps lock...