If you are in a cold region, this is the time that the dry air allows much ESD build up.
Possibly you zapped something.
Built a new computer - Works Great. I have never seen the following problem. We took some things out of the old computer for the new one. then when I used whatever I had left to make the old one usable again it would not even post. Just Turns on the cpu fan other fans and powers all the drives but will not even post no beeps or anything on the screen???
M7VIB motherboard from Biostar
did not change anything but took out 1 gig of the 1 gig 256 meg memory changed to a smaller hard drive.
I even unhooked everything and tried to get it to even post. Nothing any ideas???