Black Screen when Computer Boots

Solution 1:

Having had this happen to me recently - if the fans turn but there's no beeps even when you remove all the memory modules then it's the motherboard that dead.

The fact that the on-board video doesn't work would lend more support to this theory too.

Solution 2:

It certainly does seem like the motherboard is having difficulty, but don’t chuck it out just yet. (My motherboard is working just fine because I have a hunk of wood jammed in behind it to address the broken lead in one of the internal layers, I am using my mouse/keyboard in USB mode because the PS2 connectors have cold-joints, and I have a piece of plastic bowing the board to keep the RAM modules correctly connected.)

Anyway, you mentioned that you recently moved. Presumably the system was jarred somewhat in the process. Try re-seating the CPU. In fact, take this opportunity to re-seat everything, making sure to clean all connectors (specifically if the system has been in use for a year or two). You can clean the patinas off with a soft, rubber eraser or an alcohol dipped cotton swab. Make sure to clean and re-seat the cables as well.

Finally, even if it doesn’t seem to work, try coming back to it later since sometimes a problem is of the worst variety: not just intermittent, but occurs once out of nowhere, then disappears without a trace. While they are debugging-ly terrifying, they are also a relief once they are gone and haven’t come back in months. ;)

Solution 3:

Dude, is it possible that your motherboard is grounding to the case? Did you install those little standoff studs?

http://www.amazon.com/Motherboard-Screwnut-Standoff-50-PCS/dp/B00008VF6K

Yknow, those things?