Question My PC Freezes randomly in idle state also, forcing me for hard restart

Jul 20, 2019
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Hi All,
Its all started nearly 10 months back, at first my PC shows stuttering/looping of sound & then freezing of PC randomly in both idle state & heavy load, It force me to restart the PC. Now from past few months it doesn't shows the sign of stuttering/looping of sound but still my PC is freezing randomly in both idle state & heavy loads, making me for hard restart. Recently I noticed one more new problem pop up along with this freezing & that is radeon adrenalin driver "RADEON WATTMAN SETTINGS ARE RESTORED, UNEXPECTED SYSTEM FAILURE" in idle state, the monitor screen goes black for a moment & then comes back. I updated the display driver for thrice, but still the problem exists & i think the frequency of freezing also increased over the period of time.
I think that my PSU is dying, but I am not sure, what is the actual problem. I conducted a PSU test with OCCT Software, it shows NO ERROR for PSU.

My PC to till date its nearly 4 years old.

I am in desperate help!
My PC Specs:
AMD FX 8350 PROCESSOR
ASUS M5A99X EVO R2.0 MOTHERBOARD.
AMD RADEON R9 380 4GB GAMING CARD
CORSAIR VENGEANCE DDR3 8GB RAM
PSU: CORSAIR VS 650 Watts.

No heating issues my PC temperatures are under control. GPU is also working fine & my PC is never overclocked.

Any help will be greatly appreciated.
Do I need to replace my PSU Unit?
Waiting for your valuable suggestions........
 
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