Most of my computor hassles have been solved with Google and a hammer.
Lot's of coffee and mumbling seems to help too.
The last few days though my Monitor refused to wake up from it's power saving snooze.
I tried hot boots
I tried cold boots
I nearly tried hob nailed boots.
So I ignored it for a day or two, and then sneaked up on it and booted it up again.
And it worked.