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What's DOS?
Posts: 1
Registered: ‎06-30-2009
Location: Dixon, IL
Views: 500
Message 1 of 2

T400: beep when opening and shutting

Whenever I open and shut my laptop it makes a loud beep sound. How do you get rid of that or turn it off?
Retired Guru
Posts: 993
Registered: ‎03-10-2009
Location: Michigan
Views: 489
Message 2 of 2

Re: T400: beep when opening and shutting

Hi amathewson86,


Welcome to the Lenovo forum Smiley Happy


If you press F1 at boot to get to BIOS Setup, then go to the Config: Beep and Alarm section, there's a setting for "Power Control Beep". Try setting that to "Disabled".


If the above doesn't work, have a look at the settings available in Power Manager, available by pressing Fn-F3 from Windows.


Good luck!



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