Originally Posted by saturnotaku
Could you try a name-brand power supply? Looking at your specs again, it could be the memory as well. The nForce 780i is very picky when it comes to RAM. Make sure your motherboard's BIOS is up to date, and try a different brand of RAM.
I will try some of your suggestions, especially those, which don't cost me much money
. But isn't it a bit strange that a configuration, which worked for month stops working for no obvious reason?
One question I would like to be answered: does a tool exist, which can be used to test a nvidia's graphic card memory?