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Posted 16 December 2013 - 11:58 AM
Posted 17 December 2013 - 09:45 AM
Posted 17 December 2013 - 04:21 PM
I have been re-imaging a Dell laptop recently and have had similar issues with both 32-Bit and 64-Bit versions of Windows 7 - I am guessing since you posted here that you are running Windows 7 ,since you don't specify your OS or laptop model.
After the initial install of Windows 7 (both versions), Sleep and Hibernate worked correctly, then became intermittent and eventually I was almost never able to get them to work.
From the research I did into this problem, this is likely a driver issue - the usual suspects being video or wireless drivers.
In my case, the problem was neither of these but was driver related.
Note that Windows Update has pushed out a few driver updates recently - video and Gbit Lan drivers were two I spotted in case you don't think you have updated your drivers.
I resolved this issue by restoring back using system restore, then systematically reapplying driver updates and testing Sleep and Hibernate and either rolling back drivers or creating new retsore points.
I think that the problem is that newer drivers from the chipset manufacturers aren't always 100% compatible with all PC's, and sometimes you have to stick with the older drivers provided (and possibly modified) by the PC manufacturers.
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