Having problems with your HP Compaq 6720s Notebook ?

MY HP COMPAQ 6720S KEYBOARD WILL NOT WORK ON SOME LETTERS O P NUMBERS AND DELETE ENTER ECT WHAT COULD BE WRONG AND DO YOU KNOW HOW I CAN RESOLVE IT


Answers :

The keyboard is essentially a large electric circuit and these can fail just as well as other components. There could also be dirt and dust buidup under the key caps. The keyboard uses a flat cable to tie into the motherboard and usually if the cable become loose, the keyboard will fail overall and not just a few keys. I would change out the keyboard. If you want to try and uninstall the keyboard and then let windows re-install it on bootup, go to the device manager and select the keyboard and uninstall it there. When you reboot, the computer may ask to go to windows update to search for an updated driver, let it. It is my opinion though that the keyboard needs replacing. Below is the service manual for disassembly reference.
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\015\012http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01293339/c01293339.pdf
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