My xFx Gtx 280 keeps shutting down

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DanielHilli

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Oct 22, 2011
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I have a Super flower 1000w sf-1000p14he

12v 20a x 4 rails
12v 35a x 2 rails


still shuts down, problem is, I dont know which rail is 35a..

so my question is, how do you know which rail is 35a??!?!?


On the side of the PSU it lists the rails from 12v v1-v6, but on the rails themseelves it doesnt say anything...

 
which rail you use doesn't matter, with a single GTX280 you aren't going to need a 35a rail. The max wattage supplied via PCIe is like 75W (or 6.25A), hence why some cards have two 6-pin PCIe connectors.

Typically 12v1 has the 4/8 pin EPS connector, so that eliminates one of them. After that I'd guess that whatever has the high power requirement connectors (PCIe connectors probably) are the 35A rails.

Your 1000W PSU is overkill for any CPU + single gtx 280 and can easily supply all the power you need. xfx has a lifetime warranty if you registered the card. If you did I'd suggest contacting them and RMAing it (assuming you had it working previously)

EDIT: one note, since you have two PCIe connectors on your graphics card, make sure each of them are plugged into an individual cable from the CPU (I'm was sorta assuming they do anyways) and they'll be on separate rails.
 
Unlike the two idiots above I also got this card well three actually but you are in luck since your card is a rare XFX model. XFX cards got pretty much the best warranty that most can get and you can rma that card and get either another gtx 280 that works or something better with only shipping being the only cost to you. The gtx 280 tops out at 241w when overclocked but 178w at stock so having the psu you got power isn't an issue. Make sure that it isn't the cpu overheating ect. '

Have you taken this card apart at any time that you have owned or removed the back plate at any time?
 
^ mr duff has just arrived :na:

xfx GTX lineup of cards were awesome from the get go but then as time went on most posters on other forums complained of a problem similar to OP. some mentioned that the card had heating issues. hmmm - it could be a cpu overheating issue.

* we are yet to know of OP's system specs. [:isamuelson:6]
 
Well if op had taken the card apart at any point in time that is the cause of the problems. One the back plate has been removed the rear end of the card often lifts up and the thermal pads are never good as they were again and have to replaced for the power vrm. The vram its ok to leave as is. There is excess thermal padding material though to take care of the power vrm for a few times over but all one needs to have is a knife or razor to cut the excess into small squares. Place cooler fan side down on a table to desk then apply the small squares of thermal padding material on the cooler where the old thermal padding material was for the power vrm. Once that is done apply a new coat of thermal compound on the gpu ihs and place the card onto cooler facing down. Don't move the cooler but leave it on a flat surface and then slowly start putting it back together. Do it that way and you will avoid any chance of there being any gaps that will allow any part of the power vrm to overheat or degrade.

 
Tried a different card, a MSI 8800 gts, everything functioned for almost an hour (played HOMM VI), then all of a sudden the computer shuts down..

what else could be causing this?
I turned on another 120mm antec fan facing the cpu and G-card to cooling them down additionally..

is there a temp program for graphics cards?

Thanks everyone so far!
 
you really need to look at things other than the GPU when you used another GPU to test the issue and ended up where you first were.

did you look at the other things on your system.

your CPU must be overheating - then again i don't even know your system specs mate...
 
x2 64 4200+
xfx gtx 280/8800 gts
Asus a8N-E
win 7 32 kbit
4 gb ram (3 usable of course)
samsung 120 gb hdd


I first thought it might be the cpu overheating, and it was, but that was ages ago, now it doesnt go over 58C. ever. normal temp around 40-50C.
 
Others who have had these spontanous turn offs have located the problem in their motherboard. however the Asus a8N-e is an old motherboard, but still a high quality mobo nonetheless.
 
1| how come you have 4GB and using a 32bit OS...i know that that mobo has support for Win7 x64
2| that Asus a8N-E isn't high end..and its older tech
3| your main problem hit me in my face once i saw your system specs. The main reason you're having this problem is cos of your mobo failing on you and the other part of the failed equation is cos of the NVIDIA nForce4 Ultra chip on your board.

nvidia were a total fail with their chipsets...revision after revision and they managed to rectify a chips problems after 3 revisions.e,g: the 750i was huge when they came out but they truly fixed the problems with the coming of the 790i chip.

IMO - get a new system - you're breaking watermelons ontop of your head cos of that board.
 
so its a new mobo and cpu then.. jiisus.. does this nightmare ever end...

I just wanted to upgrade my cpu.

Now I have bought:

cpu
memory
graphics card
power source


however. the computer started shutting itself down after I installed the G-card. before that there never was a problem.

and everyone here are absolutely certain that a simple bios flash, driver update or something wont suffice?
 
well depends...have you tried it?

no offence mate - but with someone with a 1KW PSU tells me that you know what you were doing...or bought in the first place. These kinda problem are contrary to what the mobo is supposed to do. So if you can RMA - please go ahead with it.
 
yep, of course.

I think something has happened to the motherboard after all these shut downs. it started with the cpu overheating, now it can be almost anything.
 
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