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What's DOS?
Posts: 1
Registered: ‎10-09-2015
Location: USA
Views: 571
Message 1 of 2

T450S Function Keys (Volume) Issue


After I install all recent upgrades from Lenovo System Update, the volume control (F1, F2, F3) stopped working on my Lenovo thinkpad T450s. When I test it on keyboard tester, it showed that F1,F2,F3 does work, but the volume never worked. I tried to press the keys with the function key and without the function key, neither way worked. What should I do to fix it? Any help will be appreciated! Thank you!  

What's DOS?
Posts: 1
Registered: ‎11-21-2019
Location: US
Views: 50
Message 2 of 2

Re: T450S Function Keys (Volume) Issue

I have the same problem after restart it works for 30 seconds only.

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