Graphics Card is Causing my PC to Restart automatically!

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Zerosleep

Zerosleep

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Jan 3, 2014
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Hello,

I believe my Graphics Card is causing the computer to restart automatically. So here is what happened. I was using the PC the other day and it got restarted and then it did not start back. After the restart, it turns OFF and ON randomly and automatically without me pushing the button.

My PC config -

1 x 2 TB HDD
1 x 500 GB HDD
Ati Radeon HD5670 512 MB
2 x 2 GB DDR3 RAM (with Heatsink - Corsair XMS 3)
Cooler Master 500 Watt PSU
Mobo - Asus P8H67 M PRO
CPU - i5 2400k

Just thought giving the config of my PC would help.

Anyways, so I called some Computer Repair guy and his initial analysis was that some Power IC on the motherboard malfunctioned and was causing the restarts and would cost me $30 for a new one. So I asked the guy to go ahead and install a new Power IC if it helps. But this did not help the cause and the same problem of random on and off persisted. So, today the guy came back and now he said that the Graphics Card could be the problem, so he removed the graphics card and now everything seems to be working fine (atleast so far so good). This has caused the computer speed seem a bit slow and videos aren't playing the way they were before :(.

I have been using this PC for last 2 years now, why the sudden breakdown :(. Has my graphics card broken?

Is there a solution to this? Any help would be greatly appreciated.

Thanks
Aditya
 
Solution
Christian Angelo
Following this link: http://forum-en.msi.com/faq/article/power-requirements-for-graphics-cards you need 400w with 26A on the 12v rail to power it. This might seem odd to you since you have a 500w power supply but if your power supply was less than 80% efficient in the first place then you were already less then 400 watts.

I would say you only need 450-500w still but just buy a higher quality power supply in the first place and you should have to deal with this problem again. There's quite a few good power supply brands to choose from, such as Seasonic, nicer corair and antecs, XFX, nicer rosewills.. You'd have to name a price you're willing to spend.

One like this would do: http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094
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Christian Angelo

Christian Angelo

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Jul 5, 2013
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If I were a betting man, I'd blame it on your psu losing it's efficiency over time. Coolermaster PSU's aren't particularly good, so depending on the model and how efficient it was in the first place, and then account for 2 years of usage would likely be making weird power problems happen.

It appears like it's the graphics card because once he unplugs it then the PSU is within it's ability again. If you have a way to test the graphics card on another psu, then you could deduct my theory a little bit closer.
 
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Zerosleep

Zerosleep

Honorable
Jan 3, 2014
21
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10,510


I am not a Geek but I do understand a thing or two about computer hardware. You know what, when my pc restarted the 1st time, the first thing that came to my mind was that the PSU is causing the problem. But I thought let's not be an expert and leave it to actual experts so I called the Computer Repair guy. I just thought that my PC was working absolutely fine for 2 years why would the PSU break suddenly, but your comment that the PSU might have lost its power over the period of time totally makes sense. What do you suggest, should I go ahead and buy a new PSU, if so should I buy a 500 Watt PSU again or 600 Watt? Any suggestions ?

Also, would like to see if anyone else has some other analysis.
 
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Christian Angelo

Christian Angelo

Distinguished
Jul 5, 2013
478
0
18,960
Following this link: http://forum-en.msi.com/faq/article/power-requirements-for-graphics-cards you need 400w with 26A on the 12v rail to power it. This might seem odd to you since you have a 500w power supply but if your power supply was less than 80% efficient in the first place then you were already less then 400 watts.

I would say you only need 450-500w still but just buy a higher quality power supply in the first place and you should have to deal with this problem again. There's quite a few good power supply brands to choose from, such as Seasonic, nicer corair and antecs, XFX, nicer rosewills.. You'd have to name a price you're willing to spend.

One like this would do: http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094
 
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