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Windows 7: New PC build. multiple BSOD, random restarts

07 Jun 2011   #1

Windows 7 Home Premium 64bit OEM
[SOLVED. see first post] New PC build. multiple BSOD, random restarts

[SOLVED] In case this helps anyone. It seems that the RAM itself was faulty. RMA'd the two RAM sticks and popped in two new ones. Problem solved.[SOLVED]

Hello everyone

As the thread title says, I've been getting multiple BSODs and restarts on my new pc build. Hoping for a kind knowledgeable soul who may be able to help diagnose a little further. All my pc specs are filled out in my profile.

A bit of background info. Initially the computer booted up fine for the first day or two. Checked temperatures using RealTemp (they seemed appropriate, in the 25C - 30C when doing light web browsing) and tested ram using memtest but only did 1 pass(later found out that i needed to do more than 1 pass, but it didn't show any errors on that pass that i did).

The bsod's are along the lines of IRQ not less or equal, bad_pool_header, and maybe one or two others which i can't remember at the moment.

I've been searching google for a while and can't come up with any solution. Some say uninstall/reinstall drivers. I have only installed what came with the motherboard when this started happening, so didn't try this yet(nor can i, the pc doesn't generally give me long enough to do this before restarting or bsoding).

Some suggest a sub-par psu will cause these problems. I'd say my psu may be sub-par, but many have used it succesfully for pc builds. It's this psu and came with the thermaltake v3 case. So not sure if this is the problem or not.

This is as far as I've got. I've attached the files that were asked for in the bsod info post. Hopefully they will be of some use. Any help would be greatly appreciated.



My System SpecsSystem Spec

07 Jun 2011   #2

7 Ultimate x64

The power supply is severely lacking. It has a total of 29 amp on the +12 volt rail(s). These days the +12 volt rail pretty much powers everything in the machine, so getting a PSU with high amperage is a must. My guess, unable to decipher your bsod logs, is that's the culprit.

You must run memtest for 8 hours to test and stress every address range. However, sometimes that's not sufficient to find if the RAM is OK.

It's a pain, but after memtest, given no errors, then boot into Windows and run Prime95 for another 8 hours. This will put an unrealistic stress on the machine and tell you for sure if you're RAM is ok. If there's a problem with the RAM, it will show up relatively quick... within the first hour or so. Errors after that could also be fsb related.

After Prime, I always run dual instances of Orthos. This is going to tell me if I have sufficient vcore. Errors here are almost always fsb... given passing memtest and Orthos.
My System SpecsSystem Spec
07 Jun 2011   #3

Windows 7 Home Premium 64bit OEM

First thing i'll do boot up and let memtest do its thing for 8 or so hours. Next port of call is buying a new psu. Even if this one is doing it's job, I'd rather have one that I know is providing enough power to my pc.

Thanks for the quick and very helpful reply Fumz. It's very much appreciated. This is my first pc build so it's a learning curve for me. It is a little disappointing that I'm trouble shooting it so early, but it's all learning and I'll know better next time.

Alright, off to memtest this machine. Will post back the results later(8 or so hours i guess .
My System SpecsSystem Spec

07 Jun 2011   #4

7 Ultimate x64

Buy no lower than Tier 2: Official XS Power Supply Ranking Phase I - XtremeSystems Forums

Since they're all roughly the same price (emphasis on rough), you may as well get a really good PSU.
My System SpecsSystem Spec
08 Jun 2011   #5

Windows 7 Home Premium 64bit OEM

Memtest came back clean after 7.5 hours (12 passes) of running. Not able to test the others, my pc boots up but shuts down not long after.

I bought a tier 3 psu. Tier 2 was out of my budget. It should suffice for my simple needs of web browsing, word, and email. It's this Silverstone Strider 500W ST50F-ES.

And I couldn't see how to write you a visitor message, maybe I need a minimum number of posts? But, you're more than welcome for the rep Fumz
My System SpecsSystem Spec
09 Jun 2011   #6

Windows 7 Home Premium 64bit OEM

Alright, I tried installing a new psu. It didn't make any difference. I still get constant BSODs. And it's not even really even getting to the windows login screen anymore. Is there any other things I might try do get this working? Is it possibly there is something wrong with the hdd? Chkdsk says it's fine. And, is it possible this is a motherboard problem?

Any help greatly appreciated.



BSODs are along the lines of STOP 7e, BAD_POOL_CALLER, STOP 1E, peauth.sys 7E, IRQ_LESS_OR_NOT_EQUAL 0A

Also, I tried to reinstall windows 7 onto the pc just in case some files had been corrupted. I wasn't able to do that as multiple errors would happen at the hdd partition screen. Thingsl like, "windows could not retrieve the information about disk on this computer', '...the memory could not be referenced'.
My System SpecsSystem Spec

 New PC build. multiple BSOD, random restarts

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