No Sound after Installing Windows 8.1 on an iMac

I have an older 24” iMac that has run every version of Windows I’ve installed on it since Windows 7.  Unfortunately, the audio disappeared when I upgraded from Windows 8 to Windows 8.1.  I didn’t mind much, but every now and then I’d go into Device Manager, and there were no errors or problems reported there.

After digging through old posts on the Apple support forum I found a suggestion; try installing the latest Realtek Audio drivers.

It worked for me, and I hope that this little off-topic note helps someone else out there.

Device Manager
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System Properties
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The Pen and Touch Support are there because I’ve got an early Wacom Bamboo tablet attached to the machine.

One thought on “No Sound after Installing Windows 8.1 on an iMac

  1. For future people that come across this problem… I have Same problem here. It seems it doesn’t like W8.1 EFI. You need to install a BIOS version. I’m trying a new usb install via the Windows Installation Media Creation Tool. Hope it boots and works

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