How to Troubleshoot No Display problem on monitor

Output on computer screen can be stopped from display due to different reasons like monitor is not turned on, cable not connected properly, sufficient power is not supplied to the monitor, power supply problem, motherboard problem Ram problem and so on.

So let us see how we can troubleshoot no display on computer monitor.

• Make sure power cable as well as video signal cable is properly connected to the monitor and it is turned On.
• Try connecting monitor to any other computer or laptop to see if monitor is working. If it is not working try replacing video signal cable.
• Check with multi-meter if you are getting correct voltage from power socket i.e.230VAC.
• If motherboard has dual VGA output try connecting the VGA cable to second VGA port.
• Clean the RAM and reinsert it. If not working try replacing RAM.
• Use CPU tester to make sure processor is working properly. You can also use PCI debug card to identify the problem.
• Try using other switch mode power supply for powering on the motherboard.
• Use PCI VGA card or Graphic card and check if you are able to get display on the computer screen.