Is your computer a useless brick? Read tips on making it unbricked.
Remember to wear an anti-static wrist strap and connect it to the metal case on your computer to prevent static discharge from damaging your computer.
1. Make sure the computer is plugged in and the power supply switch at the back is on.
2. Make sure the power supply 20 or 24 pin connector is plugged in tightly to your computer. You may need to plug in a 4 Pin motherboard power plug if you own a Intel Pentium 4 CPU computer or a newer AMD PC.
3. Unplug all your hard drives and cd/dvd-rom drives.
4. If your computer has a video card, plug your monitor into the video card instead of the mother board’s video plug since the user might of disabled the onboard video.
5. Remove all expansion cards except for the video card.
6. If you have more then 1 stick of RAM, remove the extra RAM. (make sure ram is properly seated)
7. Plug a monitor, keyboard, and power cord into the computer. Press the pause/break button on keyboard if you need to see the startup options.
8. If your computer does not start up, try replacing the power supply.
9.If your computer starts up, but makes a continuous beeping sound try re seating the RAM, or replacing it.
Check to see if the power switch for the computer is plugged into the motherboard.
More Advance strategies for fixing your broken computer are available at the link below.
More Advanced
10. If everything does not turn on after replacing the RAM, Video card and power supply with a known good one then try testing your mother board on an antistatic mat to prevent static. A screw could of wedge between the case and the motherboard. Test the CPU with a known good motherboard which works with the type of CPU you have installed if it does not boot after testing the motherboard outside of the PC case. Install your RAM, CPU, Video card, and power supply on the good motherboard, and also plug in a monitor to the video card, and plug a keyboard into a USB plug.
You can start the PC by using a metal object to short the power leads (prongs)  with a pair of metal keys.Â
If everything works on your computer, plug in your CD/DVD-rom hard drive cables, and power cables to your drives.
Note: sometimes if your computer draw too much power because you have too many hard drives or RAM installed, your computer will not turn on. It is time to get a new power supply with more wattage like a 400W-600W power supply, or you can just take out the hard drive and ram from your computer, so it uses less power.