Question about HEWLETT-PACKARD Hewlett Packard HP ProBook 6555b WZ311UT Notebook - Turion II N530 2.5GHz - 15.6" WZ311UTABA
Hello, I just finished resolving this issue with a client of mine with the very same laptop. The touch sensitive controls on this laptop are capacitive touch sensors, meaning that there are little capacitors that detect the electrical inpulses in your finger tips. This is how it knows you are touching the given area. Capacitors can hold a charge for a long time and at times get stuck and be unable to discharge (In our case this means that it is stuck on all the time). To resolve this issue I have had success in shutting down the laptop and removing the battery for AT LEAST 4 MINS!!! Any time shorter than this may not allow the capacitors to completely discharge. After removing the battery for at least 4 mins and no less you can return the battery to its home in the laptop and turn it back on. There your issue should now be resolved. Hope this helps.
Posted on Oct 20, 2011
I'm not totally sure with the specific model you mention, but I DO know that many of the HP 6xxx series laptops, the light board above the keyboard are touch sensitive, have you tried actually using your finger to touch the amber light itself and see if it changes to blue? (or the volume bar?)
Try tapping a few times with your finger and see if that helps.
Posted on Mar 14, 2011
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Posted on Jan 02, 2017
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