4 drives wiped in one PC - Can I salvage two that are "no media"?

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scrollop

Jul 15, 2018
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Hello,
I have a win 10 pc (h97m pro4 mobile, i7 4790, gtx 970, evga 650W P2) that started cutting out suddenly on a hot day, and since, the computer suddenly cuts out under heavy CPU load (handbrake).

Found out 2 days ago that two internal drives are fried (HDD and ssd - not powering on), and today 2 other drives aren't showing up in explorer but appear in diskpart as unformatted (recovering data now as haven't been able to reconstruct the partitions with 2 partition programs).

I'm recovering data then formating two of the HDD, though one of the HDD and the SSD aren't powering up at all.

I've tried a different PC and USB enclosure, and they're not showing up in the BIOS and in DISKPART they are "NO MEDIA".

It seems something has fried them.

I've check the EVGA PSU with a multimeter and voltages are fine.

Could it be the motherboard?

Thanks.
 
Solution
M
checking voltages might show a PSU to be 'fine' with a voltmeter, but then it can be junk under a heavy/rapidly changing load such as what happens with some GPUs....

(Remember, all PSUs were normally fine at some point in the past...until they were not. :) )
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Lutfij

Lutfij

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Oct 7, 2009
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If the system reboots abruptly when taxed, that is sign that your PSU is failing or on it's way out. If the PSU isn't the culprit, after testing it out on another system, then you can see if your motherboard is pending any BIOS updates. Are you sure your OS isn't corrupt? Try a repair install and see if your experience changes.
 
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S

scrollop

Jul 15, 2018
7
0
10
Thank you for you ideas.

I've updated the BIOS and tested the PSU with the multimeter which showed correct voltages, though apparently there's no accurate way of testing PSUs under load (I'll try to view he 12v voltage under load if possibe using software).

Do you think it could be an OS issue?

As the system cuts out suddenly, with no warning or BSOD, I thought it was more hardware related.
 
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scrollop

Jul 15, 2018
7
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10
I installed win 10 on an old 500 gb drive and ran handbrake again. It worked without a problem for an hour.

I loaded up furmark simultaneously (1600x1200 test) and it crashed straight away.

I videoed speedfan during this and this is the screenshot just before it cut out (this time it lasted 13 minutes):

https://imgur.com/a/5ryLXC4

GPU temp 64C
Core temps around 52-56c
12V - 11.9 to 12.2 V

What do you think?

I'm going to repeat this without the video card.
 
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scrollop

Jul 15, 2018
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It didn't crash without the video card, though before I tried a fresh win 10 install on another drive it did crash when the video card was removed.

I'm getting more confused.
 
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mdd1963

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Jan 14, 2006
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checking voltages might show a PSU to be 'fine' with a voltmeter, but then it can be junk under a heavy/rapidly changing load such as what happens with some GPUs....

(Remember, all PSUs were normally fine at some point in the past...until they were not. :) )
 
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Solution
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scrollop

Jul 15, 2018
7
0
10
I agree with you.
With the video card in, I ran handbrake and it worked fine, then added furmark and it crashed immediately. The voltages and temps just before the crash were fine (voltages from 11.93-12.3 - without furmark 12.2-12.3, with furmark 11.99 mainly, down to 11.93).

I removed the video card and did the same with the onboard intel graphics and no crash (though, of course, not as much load on the PSU).

I reinstalled the graphics card, ran handbrake, added the PSU load from OTTC (similar to furmark) and no crash, tried furmark instead and it crashed.

Do you think this is pointing at the video card, or that when the vid card is stressed it needs more power so crashing the PSU (which sounds more unlikely)?

Thanks
 
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