How to prevent Computer from waking up from Sleep unexpectedly

6 Comments

  1. Dont forget to switch the starttime of Windows Updates as well… It took a long time to figure out, why the hell my computer started at 3am, because windows updates doesnt come in every day… ehm night… 😉

  2. use powercfg /lastwake to find out what last woke your computer. For me, it listed a usb device, my keyboard 🙂

  3. use powercfg /lastwake to find out what last woke your computer. For me, it listed a usb device, my keyboard 🙂

  4. Years ago, I had that problem with Windows Vista. Microsoft offered one year of free support for Vista so I asked them to help. They could not figure out what was causing my computer to wake. They suggested a reinstall after about six hours with their special support teams. It turned out to be a Windows Media Center update causing this. I discovered that when one day it started up and a minute later, I noticed the Windows Media Center update in progress. I still appreciated the support from Microsoft as they refuse to close this ticket until solved.

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