[SOLVED] Hi, my pc shuts itself just before windows load

[Alex3200]

Problem happens since i upgraded my gpu sometimes it works fine for hours and sometimes it turns off and i cannot turn it on until i turn off psu and turn it on again so could it be weak psu or smt else? , my specs are: Intel core 2 quad Q6600, asus gtx 570, 4gb ddr3
Psu rexpower 600w

 

[Quanticriver]

I would upgrade to a better quality PSU, as it is very likely that it is the (non brand junk tier) PSU that is causing you grief