Unplug the AC Adapter and then hold down the Power button continuously for 15 seconds. When this has completed, shutdown the notebook. When the reinstallation has completed, do not restart as prompted, instead, download and reinstall the HP System Event Utility on the link below. When complete, download and reinstall the Chipset driver on the following link. Right click the Realtek device and select Uninstall - you should also get a prompt to remove the current driver, tick the box to allow this and then proceed with the uninstall. In the Device Manager window, expand Sound, Video and Game Controllers. Into the Run window, type devmgmt.msc and hit enter. When done, hold down the Windows key and press R My first thoughts, given your description of the issue, was that it may well be a hardware problem - however, try the following.ĭownload the Realtek Audio installer on the link below and save it to your Downloads folder.
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