How I got it to work:
- Plug your headset into a XP or Vista PC. The upgrading process won't work under Windows 7.
- Download firmware upgrade.
- Run the downloaded executable. It will install a temporary driver, and upgrade the firmware on your headset.
- Done! Plug it into your Windows 7 machine.

8 reacties:
Thanks a lot for the tip! I owe you a drink ;)
moi too :p
Thanks for the info.
I did the update in windows 7 without any problems.
I got the same problem recently with my PC166. Thanks for your infomaiton and help!
o hi
Hi, I did as your instructions. But my PC166 USB adapter still doesn't work!
Hi, I did as your instructions. But my PC166 USB adapter still doesn't work!
Great, finally my Sennheiser USB headset works with windows 7. Thank you.
Beggi
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