[SOLVED] My PC crash when I try to play games.

[lucadamian93]

PC Specs :
FX 6300 3.5GHz
Gigabyte GA-78LMT-USB R2
RX 570 AORUS 4GB
16GB Ram DDR3 1333MHz
SilentiumPC Elementum E2, 80+, 450W
1HDD 500GB
1SSD 128GB

So, I bought this GPU about 4-5 Months ago, new from store, I was just playing League Of Legends, Counter Strike : Global Offensive and Rocket League, today I wanted to try little Nightmares, and when I enter in the game, after loading screen my PC just crash. [ Black screen for 2-3 seconds, after a restart ]
And I got this error : Default Radeon WattMan settings has been restored due to unexpected system failure.
I just changed Fan Tuning, to be always at 60% to have about 40-50 °C, and I tried launching the game without the Fan Tuning, and still I got a crash.
Can someone help me?
edit 1 : I have the latest drivers, and the latest windows updates

 

[jay32267]

I would focus on the PSU.
Ideally I'd swap another one in.
The Silentium units I am seeing are generally of low quality.
I think 450 watts may not be enough coming from a low quality power supply.

 

[Fix_that_Glitch]

So are your gpu drivers up to date? Did you overclock the gpu at all? Also try disabling fast start up. Try resetting wattman to default settings also or reinstalling if default doesn't help.