well first of I would go on youtube look at a bunch of different videos of people putting computers together. get to know the ins and outs before you settle on any system
http://pcpartpicker.com/ i would go to that website, that way you can combine a bunch of different components and it will tell you if they are acceptable.
is this your first time building a pc?
It could be your psu however usually a corsair is a fairly good brand.
48 degrees is fine temp for a 770. (im running them in sli and they often get to mid 60's with no issue)
generally if its a fault with a psu that is destroying parts in the pc it will effect more than one component or the psu...
Update: I replaced my power supply with a Cooler Master v1200 platinum.
The problem seemed to get better for a day, but then the next day the same problem, still dosnt seem to happen when sli is turned off
My computer specs are:
windows 8.1
i5-4690k
8GB kingston hyper 1866 ram
2x gigabyte 770 gtx
240 gig samsung evo
850 watt evga super nova
I have been having a reccuring issue for the past week were if sli is enabled my computer will occasionally go to a black screen and then reboot. it seems to...