My PC keeps randomly shutting off, then turns back on ...

Turn off Fast Startup at Settings > System > Power & Sleep > Additional Power Settings > Choose what Power buttons do > Change Settings Currently Unavailable.

Driver or Software Issues: Outdated or incompatible drivers or software can sometimes cause unexpected shutdowns. Ensure that all your drivers ...

Generally, when a computer powers down on its own it's due to the power supply, malware, overheating or driver issues.

[SOLVED] PC Randomly Turns Off – What to Do? · 1. Overheating · 2. Hardware problems · 3. Driver issues · 4. Malware infection · 5. Battery ... Seriously, Why Does a PC... · Overheating · Hardware problems · Malware infection

This article takes you through 4 less complicated ways you can fix a Windows 10 PC that randomly shuts down. Check the Computer for... · Turn off Fast Startup · Update Outdated Drivers and...

1. Check the power supply 2. Monitor the temperature 3. Scan for malware 4. Update the drivers 5. Test the memory 6. Restore the system

It sounds like your motherboard is bad, or the power supply connectors could be connected incorrectly. If it is starting briefly, and then ...

A computer can shut off for a number of reasons: overheating, bad connection between the HDDs and the motherboad, bad RAM, bad processor, bad ...

This is almost always some type of hardware issue, usually a power issue. Either you have incorrect power settings in the BIOS for CPU/RAM, etc.

Could be the power supply or the CPU, the CPU usually auto shuts down the whole system in case the CPU is too hot so it doesnt get fried.