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psu failure, replaced now no video

post #1 of 16
Thread Starter 
HI guys any help here would be so appreciated, I have this monster machine, it is my first build, and the one thing i overlooked was the psu obviously. Bought bf3 yesterday, until then had been playing skyrim, and wow mostly. Running benches to optimize visuals and show off... The machine was running bf3 like a dream, I mean, visual O-face.It was all I could do but walk around and look at the glory that is bf3 on ultra... Then after about 20 or so minutes i heard a loud pop and the system shut down. Now, I have geforce gtx 560's sli,the 2gb models... Figuring it was the psu becuase I monitor my temperatures both gpu, cpu core and board temp, despite water cooling and seven case fans=, I removed it, it was smelling of burnt electronics and I could see a very black fuse inside the box, so I went to a friend today and got an OCZ zt series750 watt fully modular 80 gold . Fyi the one I had was the ..extreme gear, and after some research i found that over 60 percent of these models fail, as the rated power isn't close to the advertised, so essentially my "800 watt psu" which cyberpower assured me would be enough, really only delivers maybe 500 questionable watts, nothing I would have purchased to go with all the other higher end parts. so now i have replaced the psu, everything boots fine but i get a beep notification during post that my mobo book says it's not recognizing vga. These cards haven't gotten hotter than 70c in any game, and my cores stay around 50-60. As of right now the machine boots normally all led's on mobo are good, just no video signal.



Thanks for any info,

Bummed looking at my 2500$ desk ornament...
Jeremy
post #2 of 16
Try booting with only one card. Try each card individually.

Edit: Also, have you cleared the cmos and tried booting at stock frequencies?
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post #3 of 16
Quote:
Originally Posted by Mabaris View Post

HI guys any help here would be so appreciated, I have this monster machine, it is my first build, and the one thing i overlooked was the psu obviously. Bought bf3 yesterday, until then had been playing skyrim, and wow mostly. Running benches to optimize visuals and show off... The machine was running bf3 like a dream, I mean, visual O-face.It was all I could do but walk around and look at the glory that is bf3 on ultra... Then after about 20 or so minutes i heard a loud pop and the system shut down. Now, I have geforce gtx 560's sli,the 2gb models... Figuring it was the psu becuase I monitor my temperatures both gpu, cpu core and board temp, despite water cooling and seven case fans=, I removed it, it was smelling of burnt electronics and I could see a very black fuse inside the box, so I went to a friend today and got an OCZ zt series750 watt fully modular 80 gold . Fyi the one I had was the ..extreme gear, and after some research i found that over 60 percent of these models fail, as the rated power isn't close to the advertised, so essentially my "800 watt psu" which cyberpower assured me would be enough, really only delivers maybe 500 questionable watts, nothing I would have purchased to go with all the other higher end parts. so now i have replaced the psu, everything boots fine but i get a beep notification during post that my mobo book says it's not recognizing vga. These cards haven't gotten hotter than 70c in any game, and my cores stay around 50-60. As of right now the machine boots normally all led's on mobo are good, just no video signal.
Thanks for any info,
Bummed looking at my 2500$ desk ornament...
Jeremy

So you bought from cyberpower? dont you have warranty?

Also, try the vidcard in another pc to see if it works?...
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post #4 of 16
Thread Starter 
I did reset cmos, neither card will produce video, but everything else seems to boot up. I do have warranty, however i wanted to try to trouble shoot some myself before returning. If the psu going out suddenly is it possible that the cards were damaged, the fans power up, it seems they aren't completely shot. Unfortunately i have no other machine that can accept that card....starting to look like rma...and another lenghty wait....
.
post #5 of 16
Quote:
Originally Posted by Mabaris View Post

I did reset cmos, neither card will produce video, but everything else seems to boot up. I do have warranty, however i wanted to try to trouble shoot some myself before returning. If the psu going out suddenly is it possible that the cards were damaged, the fans power up, it seems they aren't completely shot. Unfortunately i have no other machine that can accept that card....starting to look like rma...and another lenghty wait....
.

Yes its very possible. Usually when a PSU crashes due to lack of power its the graphics card, because this uses the most power in the system. Did you try both cards individual?
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post #6 of 16
You don't have any access to other graphics cards or computers? Ideally, you need to try a different card in this machine and those cards in another machine. If you were to RMA the graphics card, and the manufacturer found the card to be fine, you'd then have to RMA the motherboard.

And yes, a faulty PSU can kill anything. After a PSU failure usually you end up testing everything to see what your casualties are. Some graphics cards will still spin up their fans as a failsafe to prevent any additional thermal damage. I'm not saying the cards are or are not dead, but the fans spinning up don't mean much one way or the other.
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950
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post #7 of 16
Thread Starter 
I did and they did the same individually as they did in sli......i can hear windows loading, but no vid......poo:( Even removed and reseated, had to remove to replace the PSU
post #8 of 16
Thread Starter 
Yeah, it boots fine, and gives me a beep code that indicated a problem with vid, ram and cpu leds are good, like that about that mobo, makes it easy to see whats malfunctioning. Ill try to get somewhere to test the cards before I rma but i have a bad feeling, I read some nasty stuff about the extreme gear psu's.
post #9 of 16
Thread Starter 
They should'nt have an issue getting me new cards, other than they are slower than christmas....do you think the 750 watt ocz will handle the load, i plan to go back to 4.5 ghz on the 3930, and I liked the 560's pushed to 922 from stock 822, seemed to run smoother.
post #10 of 16
Quote:
Originally Posted by Mabaris View Post

Yeah, it boots fine, and gives me a beep code that indicated a problem with vid, ram and cpu leds are good, like that about that mobo, makes it easy to see whats malfunctioning. Ill try to get somewhere to test the cards before I rma but i have a bad feeling, I read some nasty stuff about the extreme gear psu's.

Yeah. If possible see if you can borrow a card from a friend or something, just to check the pci-e slots on your mobo. It's less common but not unheard of to have the slots fail. Good luck man.

One last thing to check, although you probably already did. You don't have any issues with the pins on the video card connectors power connectors? You said full modular. You don't, by accident, have the pci-e modulars plugged into the cpu plugs or something?

pictures on here: http://www.ocztechnology.com/ocz-zt-series-550w-750w-power-supply.html so you know what I'm talking about.

Tried to pull up a review:
http://www.techpowerup.com/reviews/OCZ/ZT_750W/
Is this just some april fools ****? Sort of irritating can't access the actual review.
EDIT Maybe it was? Can access now. Before getting some FBI warning or some crap.
Edited by avesdude - 4/1/12 at 4:01am
950
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950
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