After all of the above have been cross-checked and verified, you may be lucky enough to switch on the system but unfortunately fail to get a display on your monitor. This is even more frustrating; it is like your PC has gone into a coma. All vital signs are active but there’s no consciousness. First, make sure your monitor is switched on and the monitor cable is securely fastened to the VGA-out of your video card. If that’s a go, then it’s possible (though highly unlikely!) that the power supply is not properly connected to your motherboard. Shut down and unplug your PC from the mains and open your PC cabinet. Remove the case's left side panel and find the main connection for your system's power supply. It should end in a white connector that has two rows of 10 pins. The location of the motherboard's power supply connection varies depending upon the manufacturer of the motherboard. The motherboard's power supply connection is white and has two rows of 10-pin sockets that correspond to the power supply connection's pins. Press the connector gently so that it’s secure.

No joy yet? Everything seems to be in order but all you get are strange beeps from your box? It is time to understand these beep codes. Yes, they actually mean something. When the BIOS encounters glitches in the system, it provides audible beeps before it is able to provide error information on the monitor. Based on the brand of BIOS firmware on your motherboard, beep codes will vary. There are typically three of these in India: AMIBIOS, AwardBIOS and PhoenixBIOS. For example, AwardBIOS (mostly found on motherboards in India) beep codes can be interpreted thus:

If you still can’t revive your dead PC, call in the experts. I am sorry to say this but it may be bad news.