Typically, power supply problems manifest themselves under load, so if your computer crashes when it needs more power, there's a good chance that your power supply is the culprit.

We talk about what you can do if your Windows computer power supply fan (PSU) is not working or spinning on startup. Check the PSU fan cable, Test the PSU, etc.

At fault was its power supply, the repair of which was documented in the video below. These ‘scopes have relatively straightforward 12 V power supplies, extremely similar to off-the-shelf parts.

Do not rely on your power supply as the only surge protection for your computers. The simplest and often cheapest option is to use a surge protector between your computer and power line.

If your Windows 11/10 computer won't boot or start up after a power outage you may have to carry out Startup Repair, or boot from the Installation media and repair it.

Uninterruptible power supply buyers guide A surge protector will save your equipment; a UPS will do that and save your work, too—or let your save your game after a blackout.

This reboots the computer. If you are using a UPS to provide a short-interval battery supply when the power outage occurs, see the additional steps below to make the hardware connections.