Blank Screen On Bootup

Q: What is the first thing you would check if you started your computer and the screen did not appear to be displaying any information?

A: The first thing I would recommend you do is to shut your machine down. Unplug the power cord and then disconnect your monitor. By disconnect your monitor we mean the cable connecting your monitor to your computer. You should disconnect it completely from your computer.

While you have it disconnected you should turn on your monitor and see if a self-test comes up. Most modern monitors have a self-test that will appear when there are no inputs connected. If no self-test comes up you will want to play with the brightness to make sure it was not turned down all the way by accident. Another thing you will want to try if you still don’t see a self-test is to try to get a menu to appear on the screen. Older monitors are not able to do this as they have dials to control everything but newer monitors will have menus. To get the menu you will usually just need to click the menu button and the purpose of the exercise is to make sure that the monitor does actually work.

Once you have done the testing you should reconnect the monitor to the computer. You will want to see if your monitor has a removable connection at the monitor end as well and if it does please disconnect it and reconnect it. Once you have done this you should restart your machine and see if anything is displayed on the monitor.

If this doesn’t help, please post your Operating system and what color the light is on the monitor—green, amber, or no light by the power button and also whether it is solid or flashing that particular color and I can assist you further.
10:37 PM

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