Comment by lmc

> my PC always comes back to the login screen immediately after I manually use "sleep" from the power menu. I have to to the sleep thing again. Has anyone else run into this issue?

Yes. By default moving the mouse or brushing the trackpad wakes the PC up... so when you have a fast machine it goes to sleep quicker than you can take your hand off the mouse. The solution is to turn off 'Allow device to wake' for the mouse in device manager. Well, that's been my experience anyway, there could be other causes I'm not aware of.