When I press the down arrow key my sound is muted

Whenever I pressed the down arrow, my sound mutes key and I just press again and it UN-mutes but this makes it extremely difficult for me to perform some tasks I have to do. Does anyone know a fix for my problem?

I have a Windows 7 OEM Acer computer

Hi Antoni,

I tried troubleshooting possible.  Even after formatting the computer as there is the problem, it is certainly a problem with the hardware.  I understand that Acer will not help without charge, however, please get in touch with the support of community Acer and see what can be done better with this issue.  Acer support.

Tags: Windows

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