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I use a SONY VAIO laptop VPCS116FA that came pre-installed with Windows 7. I have upgraded to Windows 8. The experience has been good so far but I am facing a frustrating problem. Whenever, I put my computer to sleep, it won't wake up and I have to restart it. Note that this does not affect hibernation which works perfectly fine. However, it is not a perfect alternative to sleep option.

I have tried this method to resolve the problem but in vain:

I really am in need for a solution to this problem. Please suggest whatever you think can resolve this.

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Try disabling hybrid sleep (Power Options / Edit Plan Settings / Sleep). – Karan Oct 28 '12 at 2:26

Typically this problem is cause by out-dated video drivers. Ensure that you have the latest video drivers.

  1. Get the latest drivers from your Graphics Vendor, or
  2. Uninstall the current driver and Scan for Hardware Changes in Device Manager.
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