Question about HP Mini Computers & Internet
Keyboard works in the bios but not in the operating system. AS in, I can press the ESC key on bootup and get into the bios and move around in there but when it boots to the operating system the keyboard does nor work at all. I can plug in an external one and that won works fine on USB. In the system list there are two keyboards and they are listed as both working. Any clues??
Go into add remove hardware in the control panel and delete the aux keyboard
Posted on Apr 24, 2013
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Posted on Jan 02, 2017
SOURCE: keyboard problem
You just need a new keyboard - those are easy to come by check ebay.com and search for C640 keyboard. New ones should only be about $30-$40.
To remove the keyboard you just remove all the screws on the bottom of the laptop that are marked with the letter "K" then carefully pop the keyboard up.
Let us know if you need further help!
Posted on Jan 12, 2008
Make sure all connections are free of debri....USB connections can become wallerd out so to speak and create the intermittant problem... Built in keyboard could have been loosened underneath the keyboard on notebook is a flexible connection that if pc has been droped or fallen so to speak could be needing to be reseated........
Posted on Oct 14, 2009
Looks indeed as if the TAB key was stuck or malfunctioning. The most common cause for such behavior is a liquid spilled on the keyboard, a bit of which got between the layers of the keyboard membrane films and causes intermittent semi-short between conductive areas.
A trace of liquid caught between plastic films is hard to get rid of, as it practically sealed and doesn't evaporate.
If it doesn't go away, you may need to replace the keyboard, which is not very expensive fortunately,
Posted on Jul 08, 2010
It looks like your keypad is the culprit here. It requires the system to be opened and the contacts to be cleaned which requires a service person. If its beyond repair then you have to get it replaced. This might be due to some liquid entering the keypad or due to wear and tear.
PLZ. rate my suggestion.
Posted on Jul 19, 2011
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Set the BIOS to defaults:
Restart your Dell laptop. Click on "Start," "Turn off Computer" and "Restart."
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