I bought a new gpu, I had to buy a new pc case because my gpu couldn't fit so I needed to rebuild it. I had some problem lately, when I am installing a game my pc shuts down for no reason no error code, but sometimes there comes on my screen "power saving mode" and than i cant turn off my computer I need to unplug my power supply cable. I already installed a new system ( Windows 8), so my pc is clean.
I didn't find the right solution from the internet.
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