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Legacy Kernel Caller preventing sleep mode

Fresh5 days ago
Mar 15, 202638374 views
Confidence Score0%
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Problem

I have a problem with Windows 7 not sleeping. says a "Legacy Kernel Caller" driver prevents the sleep mode. This is not very helpful or informative. How do I get more details about that object? EDIT: I found that is the best way of dealing with such misbehaving drivers and software. The option -req…

Error Output

PowerCfg -requests

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1 Fix

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Fix for: Legacy Kernel Caller preventing sleep mode

Low Risk

Thanks for all the suggestions! Finally I narrowed down the problem simply by trial and error, disabling devices and rebooting. It was a TV card driver hung and not releasing the power request despite being no longer in use. EDIT: Unfortunately, the…

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