Tuesday Tech Tip: What’s Waking Your Computer

LastwakeLately I’ve been putting my desktop to sleep at night, having moved most of the 24/7 functions to our home media server. However, every so often, the computer’s been awakened sometime in the night, despite my having most definitely not moved the mouse or touched the keyboard. So, how can I find out what caused the wake up command to be issued? Welcome to the powercfg -lastwake command. This will report what last caused the computer to wake up. For more on what to do next, and how to control what can and cannot wake up your computer, check out “How To Prevent Your Computer From Waking Up Accidentally” from How To Geek.

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