Runtime error for atibtmon.exe when disconnecting AC power cord

Anonymous

Everytime I disconnect my AC power cord Windows 8 shows a Erro Dialog:

Runtime Error!

Program: C:\WINDOWS\system32\atibtmon.exe

This application has requested the Runtime to terminate it in an unusual way.

Please contact the application's support team for more information.

Anyone having the same problem?

Any hotfix for this?

Computer: DELL XPS Studio 16

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Anonymous

Vari bright option:

Power -> Power Play -> uncheck Enable Vari-Bright

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Anonymous

Unchecking the "Vari Bright" option in the ATI Catalyst Control Center resolved the issue for me as well. It seems this option dims the brightness of the display when unplugged; however, I believe Windows also does this (or, at least it does on my Dell XPS 16). Perhaps two programs attempting to essentially do the same thing are the cause of the atibtmon issue?

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Anonymous

I encountered this problem with my Pavilion DV6 after upgrading to W8 64bit as well and it's more irritating than it ought to be. For what it's worth though, I opened the AMD Vision Engine Control Center and disabled the "Vari Bright" option under the Power tab and that seemed to fix getting the error message every time my laptop is unplugged. Doesn't fix the underlying problem and will will decrease my unplugged-time a bit, but I can live with that.

Thanks for the legwork though, Amiarage. Looks like we;ll need to content ourselves with waiting for ATI to fix it.

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84 additional answers

Anonymous

2016-07-10T15:48:13+00:00

There is no ATI Catalyst Control Center or drivers for some particular video cards and Windows 10 64-bit such as the HD 4200 Mobility Radeon

For these computers the solution is to go into the advanced power settings and at the bottom of the list it should have ATI settings

In there you disable the brightness adjustments also an advanced power settings set the brightness to 100% whether on battery or AC because that's what's causing the problem is when the computer tries to dim the display when you unplug so you want those settings to be at 100% brightness on Battery as well as plugged in
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Anonymous

2016-07-10T17:01:13+00:00

There is no ATI Catalyst Control Center or drivers for some particular video cards and Windows 10 64-bit such as the HD 4200 Mobility Radeon

For these computers the solution is to go into the advanced power settings and at the bottom of the list it should have ATI settings

In there you disable the brightness adjustments also an advanced power settings set the brightness to 100% whether on battery or AC because that's what's causing the problem is when the computer tries to dim the display when you unplug so you want those settings to be at 100% brightness on Battery as well as plugged in

Many, many thanks MD2APC.
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