Windows 10: Pc reboots randomly even after trying several solutions

Hi, I built a PC for a friend less than three months ago, and here's the setup:MB : MSI PRO B760 P WIFI DDR4CPU : Intel® CoreTM i5-14400F - 2.5/4.7 GHzGPU : Gigabyte GeForce RTX 4070 WINDFORCE OC 12GRAM : Corsair Vengeance LPX - 2 x 16 Go - DDR4 3200 MHzAIO : MSI MAG CORELIQUID C240 ARGBPSU : MSI MAG A750GL PCIE5SSD : Crucial P3 Plus CT500P3PSSD8 500Go OSWesternDigital WD Blue SN570 1 ToUnfortunately, my friend has been experiencing increasingly frequent issues with the system. The PC randomly shuts down without displaying a BSOD or just freezing; it's as if the power suddenly cuts off. Th

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PC Randomly Reboots

Just recently, my PC started to randomly reboot, to start it was once every other day, and know every few minutes.
Any suggestions to rectify this problem would be greatly appreciated.

 

PC reboots (no BSOD) on CPU stress

Hi fellow TPU members,

not too long ago, the box my gf's PC was transported in gave way on the stairs. Yes, you got it right, that sent a PC tumbling down a flight of steps alright.

Stuff broke. Also, stuff remained intact somehow.

I bought her a new case, new CPU cooler and we removed the floppy drive, so far so good. But the PC started crashing for no apparent reason, without a BSOD.

I tested:

• Memtest86+, left overnight, 0 errors
• Scanned the HDD for errors, nothing there
• Left FurMark burning up the GFX card and drawing some power, no problems there
• Ran Ubuntu from a Live CD doing nothing special, didn't crash
• Ran OCCT, Linpack, Prime95, all 3 caused reboots within minutes
• Oh, and I disabled "Restart on error" so I'm sure it's not a BSOD.

Now, I can still try and test something CPU intensive on Ubuntu, but my guess is the CPU didn't survive.
Before I do anything drastic like whippin' out the magic wallet and get her a new AMD quad, is there anything I didn't see?
I'm guessing the motherboard could be borkered as well, but can I check that other than replacing the CPU with a working one?
Any suggestions on which proggies I can use from an Ubuntu Live CD to stress the CPU?

 

Monitor Randomly Goes Black - Forced to shut down

judging by the list (in the sig) thats 1 up from the bottom of the list. But that doesnt mean its not adequate for that build, age will also take its toll on PSUs.


It was already suggested to try another PSU, try on with the same wattage or bigger