Power supply fried graphics card

jingkai.xie007 · Oct 26, 2017

Hi there! Few days ago, my pc turned off while I was playing PUBG, and I couldn’t turn it back on. After many searches I did online, I found out that if I unplug graphics card from power supply , my pc works fine, so I concluded that the graphics card has been fried. I am planning getting a new graphics card(gtx 1070 or beyond), so my question is: if the power supply is still safe to use?

My power supply is EVGA 600b 600w 80+ bronze, and my pc was 2+ years old

jankerson · Oct 26, 2017

Not really.

The PSU is the issue so replace that 1st with a better higher grade unit like an EVGA G2 550W or Seasonic Focus 550W.

Then see if the graphics card works.

volkgren · Oct 26, 2017

Can you post your complete system specs please?

Darkbreeze · Oct 26, 2017

@jankerson, how is it you've determined the power supply is the problem? Since the system works fine when the current graphics card is not in play, that would tend to lean towards it NOT being the problem, although it COULD still have a problem, I don't think we can ASSUME that it is.

@jingkai, if you're planning to move into a higher tiered graphics card then it would be a very good idea to consider a new PSU as well, even if nothing is strictly "wrong" with your current unit, simply due to the fact that the EVGA B series are not particularly good units.

What is your current graphics card model? Have you tried another power supply with your current card to determine if the card is even bad?

Have you tested the power supply, at all?

https://www.youtube.com/watch?v=ac7YMUcMjbw

jankerson · Oct 26, 2017

Darkbreeze :

The B unit isn't a good unit in the 1st place so he would have to get a new better unit anyway if he wanted to upgrade to a GTX 1070.

SO..

Replace the PSU 1st and see if the old card works, the added draw from the old card could be stopping the machine from booting.

Darkbreeze · Oct 26, 2017

THIS

jankerson :

Has nothing whatsoever to do with THIS:

The PSU is the issue so replace that 1st with a better higher grade unit like an EVGA G2 550W or Seasonic Focus 550W.

So you're just trying to sideline your previous statement. Not good form really. Whether or not the unit is a good model has little to nothing to do with automatically saying it needs to be replaced. Generally, we like to find out what's actually wrong before we start recommending the replacement of hardware.

jingkai.xie007 · Oct 26, 2017

volkgren :

yes,
CPU: i7-4790k
RAM 8GB ddr3 1600
GPU: GTX 970
PSU: EVGA 600B 600W 80+bronze
Motherboard: ASrock Z97 extreme3

jingkai.xie007 · Oct 26, 2017

Darkbreeze :

my old GPU was GTX 970, I don't have another PSU to try, actually, I did not test the PSU. but I will considering getting a new PSU first, if it works with my GTX 970, I will stick with it, if not, I'm getting a new GPU as well.

jingkai.xie007 · Oct 26, 2017

jankerson :

is 550W enough for GTX 1070 and beyond? I'm thinking about 750W

jankerson · Oct 26, 2017

Darkbreeze :

Sure it does since he couldn't turn the PC back on until he unplugged the graphics card.

Even if the card was bad the PC would turn on... Might not boot all the way, or not have graphic on the display, but it would run.

Removing the extra draw to the PSU and it turned back on.

Pretty simple really.

jingkai.xie007 :

What I bolded is all I really needed to know, 99% of the time it points right to the PSU as the issue from what I have seen over the years.

jankerson · Oct 26, 2017

jingkai.xie007 :

A 550W is plenty really, but if you want to have more headroom then get a 650W, more than that really isn't needed unless you want to do an SLI setup later on.

avatar_of_tenebrae · Oct 26, 2017

WAIT. no not quite. i had a machine where if i had a (old) cdrom plugged in machine wouldn't boot or did wierd things. took it out: problem gone. problem? ps was too weak for it (the drive was fine in another machine, and others had similar issues during those times). also consider the PS was rated "the same" as others: it was the ps. Infact one time I got a ps turned machine on an POW! I was terrified. Turned out they hooked up the power BACKWARDS around the the big caps in the ps and one of the caps burned itself off the board. Nothing else was damaged: replaced ps and all was fine.

so there you go: don't assume because your machine works that your PS is good. i'd buy a good ps, try it, return it if card still does not work. (and the usual.: unplug other cards except video to exclude the unknowns, add them back if all is working). and make sure the video card fan is spinning at normal speed too.

Also: uninstall your drivers for that card before doing all that. you'll have to anyway if your getting a different card (if nothing tried works).

assume it works, keep it in it's static proof bag, and try in in a "known good setup" (or with a new power supply?)

jingkai.xie007 · Oct 27, 2017

avatar_of_tenebrae :

WAIT. no not quite. i had a machine where if i had a (old) cdrom plugged in machine wouldn't boot or did wierd things. took it out: problem gone. problem? ps was too weak for it (the drive was fine in another machine, and others had similar issues during those times). also consider the PS was rated "the same" as others: it was the ps. Infact one time I got a ps turned machine on an POW! I was terrified. Turned out they hooked up the power BACKWARDS around the the big caps in the ps and one of the caps burned itself off the board. Nothing else was damaged: replaced ps and all was fine.

so there you go: don't assume because your machine works that your PS is good. i'd buy a good ps, try it, return it if card still does not work. (and the usual.: unplug other cards except video to exclude the unknowns, add them back if all is working). and make sure the video card fan is spinning at normal speed too.

Also: uninstall your drivers for that card before doing all that. you'll have to anyway if your getting a different card (if nothing tried works).

assume it works, keep it in it's static proof bag, and try in in a "known good setup" (or with a new power supply?)

yes, I will buy a good PSU first, if it works, I will keep it; if it doesn't work, I will keep it and upgrade my graphics card.

jankerson · Oct 27, 2017

jingkai.xie007 :

avatar_of_tenebrae :

yes, I will buy a good PSU first, if it works, I will keep it; if it doesn't work, I will keep it and upgrade my graphics card.

Let us know what happens once you get the new PSU.

Good chance your GPU is fine.

volkgren · Oct 27, 2017

Do you know what PSU you will buy?

jingkai.xie007 · Oct 27, 2017

volkgren :

Hi, I already bought EVGA G3 750W, it was same price with 650W, so I got it for more future proof.

volkgren · Oct 27, 2017

Sounds good. Let us know how it works out.

Darkbreeze · Oct 27, 2017

jankerson :

This is patently false. Again, one does not necessarily have to do with the other. I've literally seen HUNDREDS of systems that would not boot or even power on because of bad cards, graphics cards OR other types of PCIe cards as well.

In fact, I've also seen many instances where the card was bad and even unplugging it wouldn't allow the system to start or in some cases even power on. The card had to be actually removed from the motherboard for it to show any signs of life at all.

So your assumptions are not backed by fact. You COULD be correct that the PSU is bad, I am not disputing that, but to simply assume that is the problem and that nothing else COULD be, is not how we do things.

Good choice on the PSU. The G2 and G3 series EVGA units are very good. Plus, they have a fantastic warranty.

Make sure to go register it immediately and do not forget to do everything they ask you to do as far as providing the documentation. I don't know if the G3 units are the same as my G2, but it had only a 7 year warranty unless you registered it within 30 days and provided all the documentation. If you did that, they increased the warranty to 10 years. When I purchased it it SAID 10 year warranty, just like the G3 does, but that was only if you registered it within 30 days with EVGA, otherwise it was only 7.

Let us know if that cured the problem or not. I would have preferred to help you determine for certain that the PSU was the problem before buying another one, but you've got a MUCH better unit now so it's a moot point anyway since you already bought it. Kudos on getting a good unit instead of another mediocre one that simply had a higher capacity.

jingkai.xie007 · Oct 27, 2017

jankerson :

jingkai.xie007 :

Let us know what happens once you get the new PSU.

Good chance your GPU is fine.

just got the new power supply, connected to everything except for GPU, works fine. then I connect my GPU to PSU, my pc didn't turn on, lights on my case flashed, and then there was smoke coming out from my GPU. so I turned off power supply immediately. so it was indeed GPU problem.

jingkai.xie007 · Oct 27, 2017

Darkbreeze :

jankerson :

This is patently false. Again, one does not necessarily have to do with the other. I've literally seen HUNDREDS of systems that would not boot or even power on because of bad cards, graphics cards OR other types of PCIe cards as well.

In fact, I've also seen many instances where the card was bad and even unplugging it wouldn't allow the system to start or in some cases even power on. The card had to be actually removed from the motherboard for it to show any signs of life at all.

So your assumptions are not backed by fact. You COULD be correct that the PSU is bad, I am not disputing that, but to simply assume that is the problem and that nothing else COULD be, is not how we do things.

Good choice on the PSU. The G2 and G3 series EVGA units are very good. Plus, they have a fantastic warranty.

Make sure to go register it immediately and do not forget to do everything they ask you to do as far as providing the documentation. I don't know if the G3 units are the same as my G2, but it had only a 7 year warranty unless you registered it within 30 days and provided all the documentation. If you did that, they increased the warranty to 10 years. When I purchased it it SAID 10 year warranty, just like the G3 does, but that was only if you registered it within 30 days with EVGA, otherwise it was only 7.

Let us know if that cured the problem or not. I would have preferred to help you determine for certain that the PSU was the problem before buying another one, but you've got a MUCH better unit now so it's a moot point anyway since you already bought it. Kudos on getting a good unit instead of another mediocre one that simply had a higher capacity.

thanks for your advise, it already comes with 10 years of warranty as its description states on amazon. new PSU doesn't work with my GPU either. but since I'm going for higher performance GPU, I will need a higher quality PSU.so it doesn't bother me buying a new PSU..

volkgren · Oct 27, 2017

What brand/model GTX 970 do you have? Is it still under warranty?

jingkai.xie007 · Oct 27, 2017

volkgren :

its EVGA FTW. actually I ordered my pc from CyberPower two and half years ago. it only has 1 year warranty.

volkgren · Oct 27, 2017

EVGA comes with standard 3 year warranty. Have you checked with them?

jingkai.xie007 · Oct 27, 2017

volkgren :

I checked my serial number on the back of my card on EVGA website. it says it is out of warranty...

jankerson · Oct 27, 2017

jingkai.xie007 :

jankerson :

just got the new power supply, connected to everything except for GPU, works fine. then I connect my GPU to PSU, my pc didn't turn on, lights on my case flashed, and then there was smoke coming out from my GPU. so I turned off power supply immediately. so it was indeed GPU problem.

Well, smoke coming out would mean it's gone for sure.

Lucky you got a new PSU so the old one won't cook the new card when you get it.

Power supply fried graphics card

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