Replacing the PSU or GPU?

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Uraharaa

Honorable
Oct 16, 2013
21
0
10,510
I had an incident yesterday where I was playing Contagion, and out of know where my pc shuts off, I was thinking it was the power that just went out, but it wasn't because my monitors were still on. I tried turning on my computer again and it wasn't turning on. This is where I thought that my PSU messed up somehow, so I tried the paper clip test, and it was still working, so I connected back the PSU, and it still wouldn't turn on. I than disconnected the GPU, and it finally turned on, this is where I thought that my GPU was fried, but I don't understand how, if it's not even a year old, and even if that was the case, doesn't it still turn on, just that the video won't show? So what I did for now is I downgraded my GPU to a shitty one I had laying in my room. I was hoping someone would tell me the problem of this, should I get a new PSU? And if so which one should I get, and can it be something from frys, so I can go ahead and buy it instead of ordering it online. Also something to note if it's relevant, that same day but earlier while I was at school, the power had went out, and I always have my computer on sleep mode, so I don't know if that has anything to do with it, but if it is, it's weird because that has happen numerous times and it was still good, not sure what was different.

Specs:
Gateway 4860-UB33P

Processor Family: Intel Core i5
Processor Name: Intel Core i5-2320
Processor Speed: 3 GHz
RAM: 8 GB
Storage Capacity (as Tested): 1000 GB
Graphics Card: Intel HD Graphics 2000
Motherboard: Intel H67

The upgrades for my GPU and PSU:
PSU: Enermax NAXN 550W
GPU: XFX Radeon HD 7870
 
Solution
Liereaper


maybe when the power went down or came back on it receive a overcharge to the PSU and it fried an internal component, desolder a solder connection or it reduce it fully functionality like the the voltage or amperage making it les powerful. when you have the GPU connected it require that extra juice and if its damage it wont give it at all. or just to that part. but because it losses power entirely it wont turn on unless remove that component. In your case the GPU!... but if you know a someone that may have one multimeter ask them to see if...
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smorizio

smorizio

Titan
Jan 22, 2010
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it may be the power supply and not the gpu. if the unit has failed it might not be able to output the right voltage for the higher end gpu. the only way to check is using a volt meter and load test your power supply or put the gpu into another pc see if it works.
 
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Liereaper

Liereaper

Reputable
Sep 25, 2014
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4,710
Try installing the gpu back to the motherboard to see if its does not turn on if it dossent, try installing it in another slot to see if it works. If it still noting that means that your psu is damage and you should consider replacing it for a new one. Or with a higher wattage.
 
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Liereaper

Liereaper

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Sep 25, 2014
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Ok the only solution you have as smorizio said is use a multimiter to verify if the voltage of every ping of the PSU its working correctly. but it seems like thats the problem because if it was the gpu your pc would not output video but it should still run with out it. buy a new one
 
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Uraharaa

Honorable
Oct 16, 2013
21
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10,510
Well, I don't currently have a multimeter, and I think it's safe to say that it's in fact the power supply, but anyone know how this could happen? So I can make sure it doesn't happen again.
 
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Liereaper

Liereaper

Reputable
Sep 25, 2014
147
0
4,710


maybe when the power went down or came back on it receive a overcharge to the PSU and it fried an internal component, desolder a solder connection or it reduce it fully functionality like the the voltage or amperage making it les powerful. when you have the GPU connected it require that extra juice and if its damage it wont give it at all. or just to that part. but because it losses power entirely it wont turn on unless remove that component. In your case the GPU!... but if you know a someone that may have one multimeter ask them to see if they could check the PSU connections for you.
 
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Solution
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Uraharaa

Honorable
Oct 16, 2013
21
0
10,510
Is there anyway to prevent this from happening again? What would be the best PSU to reduce that risk, or should I just turn off my computer every time I don't use it?
 
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Liereaper

Liereaper

Reputable
Sep 25, 2014
147
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4,710


I don't know 100% if there a way to prevent it. But its best for desktops to shutdown the computer every time unless you want to use it in a few minutes again.... I think if you have a battery backup for pc it should work for does situations and it gives time to the user come and shutdown the pc before the battery runs out...( battery backups are a bit pricey)
 
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Liereaper

Liereaper

Reputable
Sep 25, 2014
147
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4,710


Yes that should do! But the battery that its inside it said that it should be replace every 3 years
 
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Uraharaa

Honorable
Oct 16, 2013
21
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10,510
Alright, something interesting happen, I connected the new power supply that I bought which is a TR2 700W, and I have the case open, and when I turned it on, the video card did a pop sound than smoke came out of it, and the computer was good and all it was booting up, but the weird thing that my video card started doing was a little fire like started happening for a few second with a little bit of smoke, i just kept leaving it there see what would happen, and than the fire stopped, lol. I don't know if it's because it was used to the 550 power supply than it switched to a 700. Needles to say that is working right now. Anyone know if it's normal for a video card to do that?
 
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Uraharaa

Honorable
Oct 16, 2013
21
0
10,510
Well is working right now, I've been raiding for few hours now in wow, video card is fine, no crazy temperatures from the video card. What do you mean is on the "no use list."
 
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Liereaper

Liereaper

Reputable
Sep 25, 2014
147
0
4,710


That sounds crazy.. keep your pc clean from dust in case there were some on it. Its seems like if the GPU was dirty or had hand geese on it. but if it still works thats amazing hope it keeps that way.
 
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