Question 3080TI AND 5900X UPGRADE PC CRASHING

Feb 23, 2022
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Hey all,

After searching through forums for 1-2 days now and trying to fix my bios to stop these sudden crashes of my pc (hoping it doesn't crash while I'm typing this) I'm now wondering if my 750 Watt power supply is the culprit as to why my is randomly rebooting out of nowhere.

The crash is really sudden and completely out of nowhere with my computer going to a black screen then automatically restarting. I've tried changing the wattage my cpu is getting, offsetting voltage, turning off temp regulations in bios, everything.

This problem did not happen whatsoever when I had my old 2080 super and 3900x before I upgraded to these new parts, so I'm guessing it has something to do with GPU spikes of usage causing my PC to reboot suddenly?

The crash happens at anytime, I could be idle, anything. More frequent of times when I'm loading into apex loading screens or into the game and just now testing dying light it crashed as soon as I spawned in.

I just upgraded the pc yesterday and was able to play apex for 30 minutes without a problem which was lucky I guess? I just tested dying light now and was able to play for 4 minutes then my pc crashed with no warning.

td;lr pc crashing randomly and rebooting instantly, wondering if 750 watt power supply is the culprit.

note if this has anything to do with anything, I have 32 gigs of ram (im not a tech person and just upgraded this pc watching tutorials LOL)

* BIG NOTE My power supply is a Corsair RMx White (2018) 750 W 80+ GOLD Fully Modular ATX Power Supply
 
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*Not sure if this was a cause but my power supply was plugged into a surge protector and not directly into the wall. Saw somewhere this could be the reason for random reboots? I guess I’ll have to see if that does anything at all.
 
I've heard big cards like that need like 400-500 watts to themselves. Also, some PSU come with 2 or 3 individual power cables for the graphics card, not the standard daisy - chain one cable with multiple connectors. Might be what you need. Good luck.
 
I've heard big cards like that need like 400-500 watts to themselves. Also, some PSU come with 2 or 3 individual power cables for the graphics card, not the standard daisy - chain one cable with multiple connectors. Might be what you need. Good luck.
I currently have 2 individual power cables plugged into my graphics card and made sure not to daisy chain, the FE version comes with adapter for 2 pcie 8 pin cables to plug into. How could I use 3 pcie cables to plug into the adapter when it only has 2 8 pin connecters? Sorry if that's confusing or a dumb question I'm just very new to this stuff.
 
Have you updated your Bios and chipset which is necessary when changing CPU. You may also have a RAM mismatch so check your MB QVL to see if the kit you have are listed.
Your 750W PSU is borderline and 850W would be better. The only way to tell is to swap it out.
Updated the bios yesterday and just bought a pair of corsair vengeance ram yesterday and swapped it in because I thought it might of been the ram but I guess not. I had a pair of 8 gig vengeance ram that worked with my motherboard before so I don't think that's the problem. I'll update this thread tomorrow with the new PSU power supply that I ordered to help anyone else who sees this thread.
Thank you!!
 
Did or didn't?
Unfortunately didn't fix it, I was wrong about the GPU being the issue, it's 100% my CPU as thousands of other people of had the same problem.
I've been just trying to mess around with more cpu bios settings for voltage and seeing if anything fixes it.
Probably going to end up needing to RMA my new 5900x... which is great.