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This common issue is often easier to fix than it seems.

If you’re on a laptop, tryadjusting the screen brightness.

Angry woman using a laptop

Sometimes, the screen could be on but set to very low brightness.

Perform a power reset

A power reset can clear out temporary glitches that might be causing the black screen.

For desktops:Turn off your system byholding the power buttonfor about 10 seconds.

close-up of a keyboard with the Function key for increasing screen brightness highlighted

For laptops:Do the same, but alsoremove the battery if it’s removable.

Then, turn on your gear to see if this has resolved the issue.

If this doesn’t work and you cannot get into the menu, go straight to step 9.

close-up of a keyboard with the power button highlighted

Windows will attempt to diagnose and fix startup problems automatically, which may sort out the issue.

Uninstalling updates can reverse any conflicts that might have arisen.

You’ll know if it’s successful because the screen displays the words ‘Safe Mode’ in each corner.

Windows advanced boot options screen

Choose to search automatically for updated driver software.

Sometimes, external devices can cause conflicts.

When diagnosing and replacing the PSU, you may want to seek the services of a professional.

Start-up Repair option on Windows Advanced Boot Options

However, it is possible to do it yourself.

This process requires a multimeter, a tool used to measure electrical voltage, current, and resistance.

It’s important to proceed with caution and ensure your safety at all times.

Option to uninstall updates on Windows Advanced Boot options

A variance of +/- 5% is generally acceptable.

If any results are significantly outside the acceptable range, your PSU may be failing and need replacement.

Reconnect all power cables according to the photos you took earlier or your setup’s manual.

System Restore Option for Windows

Monitor the system for stability and ensure that all components are receiving power.

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Windows safe mode

Update driver option in Device Manager in Windows Safe Mode

Image of a pair of headphones next to a keyboard

bottom of a laptop showing vents

Power Supply Unit (PSU)