WELL here's what happened. About a month ago my videocard kind of stopped working. Windows was working fine but any game would play only for a few minutes, then the game would freeze, graphics would screw up, and the game would work but i can't see a damn thing properly. Anyway, I opened the CPU case and inspected the graphics card, and concluded that the GPU fan was screwed. I then was going to unplug the GPU fan, and take it with me to a computer mall to get one identical to it. At the time, my computer was turned on, and being the GENIUS (GENIUS in this case meaning a complete dumb FUCK) that I am, i unplugged the GPU fan while the computer was turned on, since it wasn't spinning anyway so i thought nothing would happen. I wasn't looking at the screen at the time but it then turned a solid orange colour :S. SO, i held the power button to turn off the computer, reconnected the fan, and tried to turn on the computer. It worked for a bit, the computer started up, then a random colour showed up (it was like stripes of red and white or something). I reset the computer, started it up again. It was booting into windows, but then the screen went black. After that, I tried starting up the computer, and nothing happened. The fans and lights are working, but the screen is showing nothing whatsoever, not even the motherboard logo. I concluded that I broke the video card, and then a month later i bought a new one (today). SO i connected it, and it wasn't working. SO..... My question is. Why isn't it working D:? Oh I should mention my brother disconnected the hard drive (while the PC was turned off) to try to copy the contents onto an old computer (since he wanted stuff from it). But the last computer he opened was about 10 years old, with IDE cables and stuff (the HDD is SATA). I did connect it again, and I double checked all cables were connected. I'm hoping to GOD that I didn't ruin my motherboard since I already spent about $240 upgrading the computer =I ( I bought rams as well), and my dad won't be happy when i tell him i need an additional $100 since i broke the motherboard EDIT: Here are my specs. Motherboard: Nvidia 680LT SLI Rams: 1GB*2 dual channel APOGEE Graphics card: Was 8500GT, now Radeon HD4830 Processor: Intel Core2Duo E6600 2.4Ghz HDD: 320GB SATA Power Supply: 500Watt K-mex power supply Also the HDD is spinning;i tried disconnecting it from the power supply and there's a clear difference.| EDIT 2: No beeps at all. I tried taking out the ram and turning on the computer, still no beeps.