Before you reach for the burner
DIY – TROUBLESHOOTING and FIXING a Computer That Won't Turn On – NO POWER (Beginner's Guide)
Whether you've been using your computer for a while without any problems or you just bought a brand new one, it can be annoying when your computer won't boot.
There are many reasons why a computer won't turn on, and often there is little indication of the problem. Some common causes include problems with the power supply, battery, power adapter, damaged internal hardware, or even the display.
Fortunately, there are a number of steps you can take to get your computer working again.