Windows 8 and 8.1 Forums

What is waking my computer after precisely 3 hours?

  1. #11

    Hmmm, I guess I should have read your opening post again. Don't know how I got this was a PC. You make it clear it's a notebook.

    Anyway, your notebook should be smart enough so if you just close the lid, it will go to sleep. If the charger is connected, it will stay in that mode (with the USB ports still alive so you can charge a cell phone, or wake the computer by wiggling the mouse or pressing a mouse button). But if the charger is disconnected, before the battery runs down, the notebook should then save a hibernation image so you can continue where you left off next time you plug in and fire it up.

      My System SpecsSystem Spec

  2. #12

    I registered on this forum just to say thanks, this has been bugging me for such a long time!

    I turned off the auto-hibernation and was delighted to find my laptop had not turned on not only while I was asleep, but also while I went to work.

      My System SpecsSystem Spec

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What is waking my computer after precisely 3 hours?

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