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I find all sounds my computer makes a bother. I have managed to turn off almost everything, but the "change state" between "on battery" and "on power" still remains.

How can I turn it off?

Thanks.

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what operating system? –  John T Oct 29 '09 at 22:34
    
XP Pro >>>>>>>>>>>>>>>>>>>>>>>>> –  Xavierjazz Oct 29 '09 at 22:47

3 Answers 3

up vote 2 down vote accepted

If you have the Lenovo Power Manager utility installed, go into 'Global Power Settings' and uncheck 'Beep when power state changes'. (This is on my T60p, Win7 32-bit with Power Manager 3.05)

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Depends if you're referring to a system beep or a sound from the sound card. Either way, both can be disabled in device manager.

  • Start -> Run -> devmgmt.msc -> Enter
  • View -> Show hidden Devices.
  • Non-Plug and Play Drivers -> Beep -> Disable.

For your sound card:

  • In the same device manager window, go to Sound, video and game controllers
  • Right click your audio device and hit disable

reboot.

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Thanks John. I tried the Non-Plug and play and that didn't do it. As I am not very secure with changing my computer, I am hesitant to try the other. There are a number of devices and I don't want to turn off something I may need. I assume that it will be either the legacy audio drivers or the Audio Codecs. Can you tell me if I will need these in the future? My concern is that I will fix my immediate problem and not find a problem this causes until I can't remember how to do change it back. Thanks again. –  Xavierjazz Oct 31 '09 at 22:04

I have a T41, but on that computer, you can switch the sound on / off in the BIOS setup.

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