As of last night randomly none of the touch keys in the top row have been working i.e. the mute, volume, pause, screen brightness etc. I literally walked away from my laptop and an hour later they were not working. I have an HP Envy Touchsmart m6 Sleekbook so there is no battery that I can take out to do a hard reset. I have tried unplugging everything and shutting down the laptop and waiting for a minutes several times but there is still no result. Any suggestions?
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