When I put my computer to sleep mode, my PC will turn off and after 10 seconds wake by itself. Has anyone else had this issue? Also, I just updated Windows. Maybe it was from that? This didn't happen the day before the update.
I had the issue in the past on a win 10 server. Make sure wake on lan is disabled (unless you need it like I did) in bios also try running the Command Prompt then typing in powercfg -lastwake which will tell you the device that woke your PC. If it is a keyboard or something you can disable it's ability to wake your PC from sleep in device manager. Anyways check this page out it should help you.
I had the issue in the past on a win 10 server. Make sure wake on lan is disabled (unless you need it like I did) in bios also try running the Command Prompt then typing in powercfg -lastwake which will tell you the device that woke your PC. If it is a keyboard or something you can disable it's ability to wake your PC from sleep in device manager. Anyways check this page out it should help you.
certain processes and/or tiny bit of mouse movement can wake a pc back up. Wake on lad can also do it so make sure that is off in the bios too. I believe you can turn off wake up via mouse in the power setting of windows.