Log Off or Shut Down?

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Originally Posted by Special

isn't putting it on 'sleep' mode effectively changing the screen darkness as much as turning it off?

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All the core hardware is still running to keep the data in the RAM and CPU ticking over, it's just running in a very low power mode, it also turns off any unnecessary hardware like TV Tuners or USB thumb drives etc.

If i had this problem i would probably Defragment it and clean it up abit.

Just leave it and if it keeps doing it get it fixed