Homebuilt PC not outputting video onto monitor after case/powersupply swap.

firepyromaniac

Reputable
Dec 3, 2015
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4,510
Hi there.

I'm just gonna get right into it, and I apologize in advance if I seem frustrated because I probably am ;)

Yesterday my new modular PSU and case arrived and I immediately started to swap over all my interals from my old case into the new case along with removing the old PSU. It took awhile, (6+ hours to be exact!) but I managed to do it. After everything was in place it, naturally, didn't turn on, even though there was that green Motherboard LED taunting me at every turn. After another 3 or so more hours of tinkering somehow I got it to boot! (think it was a loose PSU cable but that's basically irrelevant now.) However when I pluged my monitors DVI cable in it displayed nothing. The CPU fan was spinning, the drives were turning on, and case fans were spinning, the case fans LED's were lighting up,the power supplies fan was spinning, all 3 of the GPUs fans were spinning along with it's LED's, and yet there was no video whatsoever.

So I tried a different DVI video cable, no dice.
Then I tried a different monitor, no dice.
Then I tried swapping the VGA cables around on the video card, no dice.
Then I tried to unplug and replug the CPU power cables, no dice.
Then I tried unseating and reseating the RAM, no dice.
Then I tried plugging the CPUs fan into a different port, no dice.
Then I tried unplugging all drives other than the boot drive, no dice.

That, and probably a bunch of other stuff that I am forgetting at the moment. Please keep in mind that every single part in this case was working just fine 24 hours ago (other than the PSU of course)

Here is some pictures I threw together to help you get an idea: http://imgur.com/a/hyYva

And some specs:
AMD FX-8320 3.5GHz 8-Core Processor
Asus M5A97 R2.0 ATX AM3+ Motherboard
Gigabyte GeForce GTX 970 4GB WINDFORCE 3X Video Card
NZXT Phantom (Black) ATX Full Tower Case
EVGA SuperNOVA P2 850W 80+ Platinum Certified Fully-Modular ATX Power Supply

Well there ya have it, if you have any earthly idea as to what is going on here *please* let me know! Thank you for any and all replies in advance!

It's also of note that when I plug my G502 mouse in, it doesn't seem to be getting power (no LED's turning on)
 
Solution
G
I had that problem too, and it solved the problem by slapping in some new RAM. Try that out too, and tell me what happens :=)
G

Guest

Guest
I had that problem too, and it solved the problem by slapping in some new RAM. Try that out too, and tell me what happens :=)
 
Solution