My Monitor won’t turn on at all.

Start by checking the power. Turn on the monitor’s power button or soft switch, and make sure the mains socket switch is on. Push the power cable firmly into both the monitor and the wall socket. If you have a spare cable that you know works, swap it in. Test the wall socket with another device to confirm it’s supplying power.

Next, test the display with equipment you know works. Connect the monitor to a working computer, or connect a working monitor to the computer you’re troubleshooting. If you’re working with a laptop, plug in an external monitor to check whether it outputs a display. And always confirm that the computer you’re testing with is switched on.

Reviewed: 12/01/2026

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