In a situation where you turn on your computer, you see the power light come up, hear the fan pick up and you hear that common click sound that accompanies system start up and you wait for your screen to come alive, but absolutely nothing happens. There you system has come up but it displays nothing.

This is a really annoying situation, but with some simple clicks and guideline (as enumerated below), you should be able to get this out of the way and get your PC running again.

Step 1

First you need to identify where the problem is emanating from before you begin the trouble shooting process (either from the system other components or the monitor itself), to find this make sure that your PC run in a full power cycle, what this means is to make sure that your PC is powered on from a completely powered-off state (you need to ensure that your computer is not on the Hibernate, Standby or Sleep mode) to ensure this, power off your computer completely by holding down your  PCs power button for about 3 to 5 seconds, after this turn on the computer again to check if it will respond and boot normally.

You also need to verify that your power input is set correctly based on the country you are, if this is the problem your system may not power on completely.

Step 2

You need to clear the system CMOS to do this Now you might need to clear the BIOS of your motherboard, this will return BIOS setting to its factory default settings. A BIOS mis-configuration could be responsible for the problem, if this step solves the problem,  ensure any changes you make in BIOS are completed one at a time so if the problem returns, you’ll know which change caused your issue.

Step 3

Now, if you are still experiencing the problem you might have to remove and reset some components in your PC, this might just fix the issue as it may be caused by a component in your PC moving out of place. Some component you can consider resting are the internal data and power cable, PC memory module and also your PC expansion card.

Step 4

Check inside your PC to make sure you do not have electrical shorts then cross check your power cables and its connections. At this point you might consider replacing your power supply as the PSU might actually be the problem.

Step 5

Uninstall hardware from your system as excessive hardware connected to your PC might the cause then try to power it on, if it does power on then you need to reinstall the hardware.

The point here is by reinstalling the hardware back into your PC and testing them often, you will probably find the hardware that caused the problem and then you can fix it.

After doing all these, you should be able to find the root cause of the problem and fix it, however, if all these steps fails to address the problem you will need to get a professional to salvage the situation.

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