After installing AMD FX-8370 PC crashes a lot

pratikmewada · Jul 15, 2016

I recently bought AMD FX-8370.

The processor I had before is Phenom X4 965.

My Current config:
AMD FX-8370.
Corsair H80i V2 Liquid Cooler.
ASUS M5A78LM - USB3
Graphics card - Nvidia GTX 650 Ti 1 GB
Power supply - Corsair 550W
RAM - ADATA 1600MHz 4gb x 4 = 16GB.

Now the problem I am facing is Whenever I start a game , the PC Freezes and only option is Restart. Plus PC is running slower than when it had Phenom X4 965 installed.

I tried Prime95 "blend" torture mode and in a few minutes PC crashed.

Solution I tried:
- In bios, I changed Memory Clock Speed to 1600MHz, and CPU/NB to 1600Mhz. But, as soon as I save and restart, a message comes while booting "Overclocking Failed" and everything goes to "Auto" settings again.

- I also disabled "Cool n' quite" mode, but still no solution...

Please, anyone, Help me with this.

GhislainG · Jul 15, 2016

Disabling disabled "Cool n' quiet" should make the issue worse, not better. No wonder you have issues; you use a motherboard that needs the stock cooler to prevent the VRM from overheating and it never was designed to support a power hungry CPU without having to throttle it at higher loads. It runs slower than the X4 965 because the VRM throttles it. Were you using a liquid cooler with the X4? Did you check the thermal margins and how they drop while running Prime95? If they drop all of a sudden, then the VRM is the issue (same if th thermal margins are fine and the frequency drops to 1.4 GHz.)

pratikmewada · Jul 15, 2016

I had stock cooler installed with X4 965.

How to check thermal margins? I have HWmonitor installed, should I check the values there?

GhislainG · Jul 15, 2016

Use the more better AMD Overdrive; thermal margins are the distance to throttling, not the temperatures.

pratikmewada · Jul 15, 2016

Alright, How to check thermal Margins?

I am currently downloading Amd overdrive from its website. Am I on the right path?

GhislainG · Jul 15, 2016

pratikmewada :

Yes.

pratikmewada · Jul 15, 2016

There was a "stability test" option in the software.

before I ran the test, I checked all the driver again. One driver was missing, which was "AMD SMBus".
After Update and restart, started the test and kept it running for 1 and a half hour. No freeze.

Started the game Just Cause 3 at maximum graphics settings, played for an hour.

Everything looks fine.

GhislainG · Jul 15, 2016

Missing drivers can cause unexpected issues. At full load the thermal margins are 10°C or more?

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After installing AMD FX-8370 PC crashes a lot

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