So I just built my pc around a week and a half ago and everything went fine except when Turning on there were two loud pops. While figuering out what it was we found the optically drive wouldn't open. I just accepted the fact that it was faulty and ordered a new one. I just got my new one today and the same thing happened to loud pops and it won't open. The green light is still on and both times in my bios it recognized my optical drives but it won't open. I maually opened the drive to see if it was jammed but it wasn't. I'm now thinking it could be a power supply issue. Please help!
Loud pops could be a sign of a capacitor blowing up. Carefully examine the motherboard for scorch marks and blown capacitors. If you don't find any then the next step is to test the power supply. You can either swap the PSU with a known working unit or get a PSU tester.
I DO NOT recommend opening and inspecting the PSU. A PSU can contain a charge even after being unplugged for a period of time.
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sorry about the above answer. I misread your first post. you mentioned that you ordered a new optical drive where i thought u ordered a new psu.
the corsair CX series PSUs are not very reliable. I think u have got a busted PSU. try n get a sniff around PSU if u can smell burning.
If you have on-board video, remove your GPU and try to use ur pc with the on-board graphics. Use it for a couple of hours to see if there are any pops or shutdowns. if not, replace ur PSU with a better one such as a 650w bronze certified or better since the HD 7970 uses over 200watts under load so u might look for a 50A on 12v rail.