With the monitor disconnected from your box, turn it on and off.

If you plan to get a new monitor,learn how to choose the right monitor for you.

Verify that your PC has completely restarted and is powering up from a completely powered-off state.

PC motherboard

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Seehow to kickstart your computerif you need help.

Power off your gear while in a power saving mode by holding the power button down for 3-5 seconds.

Troubleshoot the cause of the beep codeif you’re lucky enough to get one.

Clearing theBIOSmemory on yourmotherboardwill return the BIOS parameters to their factory default levels.

A BIOS misconfiguration could be why your PC won’t start up all the way.

Verify that thepower supply voltage switchis set correctly.

If the input voltage for thepower supplyisn’t correct, then your setup might not turn on completely.

Reseateverything possible inside your PC.

Verify that all the cables are connected correctly.

In this case, you’d want to plug the VGA cable into the correct video card.

Check for signs of electrical shorts inside your gear.

If you find them, then you’ll need toinvestigate the causes of those electrical shorts.

Test your power supply.

Replace your power supply immediately if it fails any test you perform.

This delay provides time for some recharging of the CMOS battery, which may have been drained.

Power supplies can work in varying degreesone that isn’t fully functional needs to be replaced.

Start your box with essential hardware only.

If your machine starts normally with only essential hardware installed, proceed to Step 11.

If your rig still isn’t displaying anything on your monitor, jump to Step 12.

Since your machine powered on with only the essential hardware installed, those components must work properly.

This means that one of the hardware components you removed is causing your PC to not turn on properly.

Replace the defective hardware once you’ve identified it.

Test your setup’s hardware using aPower On Self Test card.

If you don’t have and are unwilling to purchase a POST card, skip to Step 13.

Test after each hardware replacement to determine which component is defective.

Try thesetips to fix a broken laptop screen.

It’s either off, disconnected, or broken.

The steps below will help identify the cause.

We also have unique solutions forwhen a computer turns off right after turning on.

FAQ

Yes.

Loose or faulty cables are commonly the culprit when your monitor says it has no signal.

Also, if your display has multiple source inputs, confirm you’re using the correct one.

The display likely isn’t turning on because your gear isn’t waking from sleep properly.

you could turn it on or off by pressing theWin+Ctrl+Enter.