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Laptop – hibernation problems

Since last weekend my Dell Latitude E6410 refuses to hibernate. It worked perfectly before, so I’m not sure what’s going on. OS is Windows 7 Professional x64. It won’t hibernate when the lid is closed, power button pressed or even Hibernate option is selected from the Start menu. What happens is – the screen switches off as it should, but immediately brightens a bit and the machine enters sleep mode instead of hibernating. It can then be woken up by mouse movement etc. Hiberfil.sys file is being created. I’ve looked into advanced power options – hybrid sleep is off, actions for lid closing and power button is ‘hibernate’. Event log does not show anything interesting. Nothing changes when I change the power plan or log on as a different user.

Tried suspend and hibernate from Backtrack installation – all works fine. I’m not in the mood debugging this problem now, too much other things to do…

~ by omeg on July 25, 2011.

hardware, troubleshooting, windows desktop

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