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Cold boot issue

Keizer

By Keizer
in Power Supplies

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Keizer

Keizer

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I have the following build that I put together back in April of 2009.

MSI P45 Platinum

Core 2 Duo E8500 Wolfdale 3.16GHz

EVGA GTX 260

CORSAIR CMPSU-1000HX 1000W PSU

Two SATA WD 500 gig, 7200 RPM, 32 MB cache Caviar Black OS drive in RAID0

SATA WD 1 TB, 7200 RPM, 32 MB cache Caviar Black Storage drive

X-fi Sound card

Zalman 9900 CPU cooler

Eight gigs Corsair DDR2 8500 1066 RAM/Running 5 5 5 18/800/1.8v

Win 7 Home premium 64

 

This system has been running flawless up until the last three days. I started getting a boot issue when I start my system after it has been turned off all night. I have always shut my system down at night. Now, in the morning, my system tries to boot, then shuts completely off for a few seconds, then turns back on and tries to boot again. It will do this over and over, getting a little further into the booting process each time until it finally boots into windows.

 

I have the latest bios, and have tried booting with just one RAM stick at a time with no improvement. I have also ran mem test with no errors. Nothing is overclocked.

 

Jut for a test, I shut down, disconnected my internal storage drive, CDRW drive, and all USB devices except my mouse and keyboard. The next morning my system booted just fine with this lesser load.

 

I'm assuming this is my Corsair PSU acting up??

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I would suggest connecting the items you disconnected one at a time and see if you can isolate which one could be causing the problem. It would be very unlikely that the power savings from disconnecting these devices would effect the PSU at all. Its more likely that one of these devices that you disconnected was causing a short or grounding issue which the PSU was detecting.

 

If all else fails then we can definitely try replacing the PSU for you, just Request an RMA

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Keizer

Keizer

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I would suggest connecting the items you disconnected one at a time and see if you can isolate which one could be causing the problem. It would be very unlikely that the power savings from disconnecting these devices would effect the PSU at all. Its more likely that one of these devices that you disconnected was causing a short or grounding issue which the PSU was detecting.

 

If all else fails then we can definitely try replacing the PSU for you, just Request an RMA

 

Can you explain more how the PSU detects a short? If it detects a short, why does my system eventually boot into windows after trying a half dozen times? If the PSU was detecting a short, wouldn't my PC just go into an endless loop of trying to boot into windows? Instead, it eventually makes it into windows after trying several times.

 

Also, if my hard drive, or CDRW drive was shorting, wouldn't they be rendered useless once I was in windows? They function perfectly fine.

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Keizer

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I actually have not had a single booting issue over the last week or so. I think the reason is, that our cold weather snap we were having is over, and it's warmer here in the office. We heat with wood, so the office is at the far end of the house and struggles to stay warm.

 

Anyway, last night we spent the night at our in-laws house, and when I got home today, it was really cold in the house because we let the fire go out before leaving yesterday. I knew my system was not going to boot up, and I was right. It shut right down during the boot process, and I instantly hit the power switch to off on the PSU. I had read about another person having the same cold boot issue. They used a hair dryer on low, and would blow warm air into the back of the PSU for about ten seconds before booting. I tried this, and my system booted right into windows.

 

Now, I suppose this doesn't 100% confirm that it's the PSU, since warm air probably blew out the bottom of the PSU and into the case. But, that is why I only gave it a short blast, so it didn't have time to heat the case, but instead, mainly heat the inside of the PSU.

 

Any thoughts on this?

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Sounds like we will want to replace the PSU for you. There has got to be a cap in the PSU that is shorting until its warmed up. Its possible that a cap on the mobo or VGA could cause the same thing, but it sounds like you have isolated it to the PSU.
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I requested it two days ago using the above link from Ramguy. They gave me a number and said they would get back to me.

 

If the RMA is still not approved, post the case number here and I will get it approved for you.

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Keizer

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If the RMA is still not approved, post the case number here and I will get it approved for you.

 

Ok, I got the RMA approved. Thanks!

 

This issue has gotten worse, as in the room doesn't have to be as cold for the issue to occur. I have been using the hair dryer in the PSU first thing in the morning to get it to boot up.

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How long are the RMA's good for? I was thinking about waiting until after X-mas to ship it out. It seems like it may take awhile if I ship it out right now because of the X-mas rush.

 

Should be good for at least 90 days, if for some reason you can't get it sent within that time, then give us a call and we will reissue the RMA.

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Keizer

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I got the PSU sent in, and got a reply back from Corsair that I really didn't like the sound of. They said:

 

"Your returned product is staged for review by our returns department, and we will be contacting you shortly regarding repair or replacement".

 

I have a bad feeling they are not going to find anything wrong with it because it works just fine if the room is a certain temp. It only fails when my office gets around 60F. I am going to be upset if I wasted all this time having my PC down, and Corsair telling me that my PSU is fine.

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Any idea how they are going to test this cold boot issue?

 

They will most likely send out a brand new replacement regardless of what testing is done. I would suggest contacting our customer service directly to find out for sure. You can contact our customer service at 888-222-4346 and dial "0", (510) 657-8747 or email rmaservice@corsairmemory.com.

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Keizer

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They will most likely send out a brand new replacement regardless of what testing is done. I would suggest contacting our customer service directly to find out for sure. You can contact our customer service at 888-222-4346 and dial "0", (510) 657-8747 or email rmaservice@corsairmemory.com.

 

Thanks for the info. I called, and they said it is in transit, and will be delivered this Wednesday.

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Keizer

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Great warranty service from Corsair!! I got a brand new replacement, and everything is running great again. We got down to 18 F last night, and I had let the fire go out. This morning it was 58 F in the office, and my PC booted just fine. The cold boot issue was definitely the PSU.
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