R
Rbrucey
Guest
Hi. I upgraded my fairly ancient dell inspiron 1520 laptop to windows 10 from windows 7 a couple of months ago. It all worked but I was getting fairly regular BSODs so I reset/reinstalled windows 10. Seemed to work fine and no BSOD since but I've now got no audio. High definition audio appears in the device manager but it won't let me update the driver because I keep getting 'install class is not present or is invalid' every time I try. On further investigation the device is appearing as 'audio device on high definition audio bus' and under a category of 'other devices'. There is no category heading of 'sound video and game controllers' appearing in device manager. I have tried updating chipset drivers (no difference) and updating bios (won't let me). Advice please. Sound was working fine before I reset windows 10.
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