Question about HP Pavilion dv4z Notebook
Try downloading and installing the latest audio driver from the HP website. choose your operating system and the website directs you to the drivers. sometimes windows updates install the wrong drivers ans causes the hardware to malfunction properly, so try uninstalling these updates using system restore point, if this doesn't work do the first step.
Posted on Jun 09, 2009
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Posted on Jan 02, 2017
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