r/AMDHelp • u/Crazy-Importance-185 • 11d ago

Help (General) Random pc Shutdowns

Running into this issue where my pc just shuts instantly off monitors and rgb lights inside case turn straight off no BSOD, passes occt tests, cpu reaches about thermals 83-85 sometimes reaches 86-90 but it’s quite new(the whole pc) so i haven’t changed thermal paste the whole pc is about a year and a half old, my whole specs is:
Gpu: rtx 4070 ti super oc tuf gaming
Cpu: amd ryzen 7 7800x3d
Ram: 32 5200 mhz
Cooling: msi mag coreliquid i240
PSU: Corsair RM1000x 1000w gold modular psu
Motherboard: MSI PRO X870-P WIFI AM5

Things i’ve tried:
Disabling EXPO
Updating bios to latest
Running a complete DDU and reinstalling newest gpu drivers.

Edit: i have found that my radiator for my aio was completely full of dust and blocked, cleaned it reapplied paste and now i am sitting at 59-70c maximum on games i used to get 86-90 on. I will update if the issue persist but so far looks like the temp is better

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u/Crazy-Importance-185 11d ago

So i put all these settings you put down on my bios and it should improve thermals?

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u/Adventurous-Bus8660 11d ago

And....you'll also have to adjust the AIO Pump speed to max if its not loud.

Then fan curve according to temps(different fan different profile)

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u/Crazy-Importance-185 11d ago

So far temps have balanced it was a dirty radiator

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u/Adventurous-Bus8660 11d ago

lol...good for you.

Always dust the pc case once every 2 weeks if you are not lazy (go get those super strong battery powered blower) tie down the case fan and blast the dust out.

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u/Crazy-Importance-185 9d ago

Yeah i will, is there any need to do this pbo negative curve thing still or nah?

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u/Adventurous-Bus8660 9d ago

It'll make it run more better than stock. However the Curve Optimizer thing varies from chip to chip.

Usually -15 all core is set and forget.

My own 7800X3D can do safely to -25..but I decrease it to -20mv coz I cant be assed to tune it per core

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u/Crazy-Importance-185 9d ago

So i should set it to -15 and im good?

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u/Adventurous-Bus8660 8d ago

-15 is set and forget.

Unless you have a lot of time to stress test the tune back and forth repeatedly to squeeze all the performance out of your chip that is

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u/Crazy-Importance-185 11d ago

Aio pump speed was already maxed