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PSU failure?

Last response: in Components
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February 1, 2013 11:34:58 PM

Hello, I have a question for you all.

I recently encountered some failure which I thought was software based but then came to believe it was a mobo/PSU issue. I replace my mobo and PSU, however the new PSU cable was too short to reach my 8-pin CPU input so I am waiting on an extension cable for it. While waiting I decided to plug my old PSU to give it a shot and maybe it was a mobo problem. When I did this the computer booted up and was able to get to the BIOS. Before, it would turn on but nothing would come on the screen. After trying to continue past the BIOS, I have been having difficulty. When I try to boot into windows, I can get to the loading screen which is laggy and then blue screens out. When I try to boot into ubuntu, similar issues. When I try to boot ubuntu install CD, it freezes on the loading screen. All of this sounds like a PSU issue as once the load gets intense, it fails.

My question is first, what do you all think? Second, is there a way I can verify PSU failure through the BIOS? On the BIOS monitor it gives these results

VCORE voltage - 1.452 V
3.3V Voltage - 3.240 V
5V Voltage - 5.014 V
12 Voltage - 11.943 V
VDDA2.5V Voltage - 2.496 V

Thanks for all the help.

More about : psu failure

a b ) Power supply
February 1, 2013 11:36:28 PM

specs ?
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February 1, 2013 11:39:54 PM

Brett928S2 said:
specs ?



You beat me to it, I was just about to edit the post.

ASUS M5A99FX
AMD PH II X6 2.8Ghz AM3
EVGA GTX560
16gb G.skill Sniper DDR3 1333
Antec 750W Eathwatts PSU
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a b ) Power supply
February 1, 2013 11:42:48 PM

Hi :) 

Its DEFINITELY a hardware problem....

Did you replace the motherboard with a BRAND NEW one ?

All the best Brett :) 
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a b ) Power supply
February 1, 2013 11:43:55 PM

Oops forgot to add , you DID run a full hard drive test ?

All the best Brett :) 
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February 1, 2013 11:47:11 PM

Yes, the mobo I was able to get into the BIOS with is brand new. The old one I was unable to even get to the BIOS.

I did not, but I cannot boot the OS on three seperates HDDs or run an install disc without failure.
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a b ) Power supply
February 1, 2013 11:49:43 PM

markmco said:
Yes, the mobo I was able to get into the BIOS with is brand new. The old one I was unable to even get to the BIOS.

I did not, but I cannot boot the OS on three seperates HDDs or run an install disc without failure.



Hi :) 

CD/DVD DRIVE OK ?

All the best Brett :) 
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February 1, 2013 11:54:21 PM

Like I said, I am not sure if anything is okay. I can sit in the BIOS for hours but once I try to run an install CD it crashes. If I try to boot into either of my Windows installs (on different HDDs) it crashes. If I try to boot into Ubuntu (also on a third and seperate HDD) it crashes.
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a b ) Power supply
February 1, 2013 11:59:57 PM

have you check to see if the mb bios was up todate so it had all the patches done to it.
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a b ) Power supply
February 2, 2013 12:01:38 AM

markmco said:
Like I said, I am not sure if anything is okay. I can sit in the BIOS for hours but once I try to run an install CD it crashes. If I try to boot into either of my Windows installs (on different HDDs) it crashes. If I try to boot into Ubuntu (also on a third and seperate HDD) it crashes.



Hi :) 

Ummm HOW did you run a hard drive full test if you don't know if the dvd drive is ok ?

Run Hirens CD (boot FROM IT)

All the best Brett :) 
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February 2, 2013 12:10:03 AM

Brett928S2 said:
Hi :) 

Ummm HOW did you run a hard drive full test if you don't know if the dvd drive is ok ?

Run Hirens CD (boot FROM IT)

All the best Brett :) 



I did not run it. I also cannot run it as I have no computer to burn that CD with.
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February 2, 2013 12:19:09 AM

smorizio said:
have you check to see if the mb bios was up todate so it had all the patches done to it.


It appears to be up to date. If it were not, I couldn't do much about it as I cannot boot CD's without crashing.

I am filling out a warranty replacement from Antec currently. I appreciate everyone's help, I just cannot imagine this to be any other hardware piece besides PSU with the issues going on.
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a b ) Power supply
February 2, 2013 12:23:54 AM

markmco said:
It appears to be up to date. If it were not, I couldn't do much about it as I cannot boot CD's without crashing.

I am filling out a warranty replacement from Antec currently. I appreciate everyone's help, I just cannot imagine this to be any other hardware piece besides PSU with the issues going on.



Hi :) 

ANTEC are high quality psus.. I sell them in my shops.... I SERIOUSLY doubt its the PSU...

All the best Brett :) 
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February 2, 2013 12:34:26 AM

Brett928S2 said:
Hi :) 

ANTEC are high quality psus.. I sell them in my shops.... I SERIOUSLY doubt its the PSU...

All the best Brett :) 


I realize that they are nice, but after 2.5 years PSUs fail.

What would you guess it is? I cannot imagine that my old Mobo failed one day and I got a defect that has a very similar issue as the old mobo when it died. I also think it would be a bit ridiculous for all three of my HDDs to fail at once.

That leaves PSU, CPU and GPU. I can rule out GPU, I think, because graphics come on and it would be strange if they only failed when the computer started. The CPU I have no idea but I am just guessing that isn't it. That is my thought process at least.
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a b ) Power supply
February 2, 2013 12:49:13 AM

Hi :) 

I thought you tried another psu and it was the same ?

If you did ...its NOT the psu...

All the best Brett :) 
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February 2, 2013 1:00:32 AM

Brett928S2 said:
Hi :) 

I thought you tried another psu and it was the same ?

If you did ...its NOT the psu...

All the best Brett :) 



No sir. I bought another PSU but due to the 8-pin CPU cable not being long enough, I can not test it. I am still waiting on the extension cable. I suppose I could put in the PSU without screwing it in to make it make the cable long enough. I Haven't even thought of that.

I will have to do that on the morrow. I will get back with you all when I have done it to see what happens.
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