I've been wracking my brain attempting to fix this one. The computer boots up fine judging from the fan running, LED glowing and hard-disk drive initialising, but no matter what I do it does not give a signal to the monitor. I have tried: Reseating and replacing the RAM several times. Making sure the connections inside the tower are correctly connected. Replacing the VGA cord with 3-4 different ones. Added a standard video card with a VGA port to the motherboard and tried all the cables on that. Used 3 different monitors to make sure it isn't just the single monitor. Heck, I even went ahead and replaced the motherboard with an identical one from another Acer Veriton S460, and that didn't even help in the slightest. None of the above has helped me in getting a display running from the tower to a monitor. If you know of any other methods or even possibly what might be wrong, please let me know.