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Machine_Check_Exception......help?

post #1 of 5
Thread Starter 
Over the past few weeks my rig has started showing the Machine_Check_Exception BSOD. It was doing this when I had some Crucial Ballistix (along with all kinds of other BSOD's when the RAM crapped out)......and a little over a week ago I switched to G.Skill RAM. A few days after I switched, I was still getting the random M_C_E. BSOD. (G.skill RAM test fine under memtest for several hours).

It did it while I was playing The Witcher, but no other time. Now it's doing it even when there is no load (or very little), and while playing Bioshock. Did it last night while I was opening pics with Photoshop. All temps in the rig are fine. Low CPU temps, good MCP temps, a 120mm case fan blowing directly on the RAM, and another 120mm case fan blowing on the 8800GT's. The 8800GT's get up to 61-62C when playing a game...and idle at 48-50.

When it gave me the BSOD last night, I had the memory running at 800 4-4-4-12 and 2.1v. It has also crashed on my running at 800 5-5-5-15, and 1066 5-5-5-15.

I can't find much info on this error. Is it purely hardware....or would a fresh install of Windows possible fix this? I'm not sure what to do at this point and it's irritating to say the least.
    
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post #2 of 5
Generally a machine check event means a hardware failure, most likely an uncorrectable northbridge failure...

Do you get this BSOD under Prime95 or another stress testing program, or only in games?
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post #3 of 5
I've looked around and can't seem to find a reliable cause for that error. Unfortunately - It is a non-specific error that Windows used when a more detailed code is not available. It pretty much boils down to hardware though - just not a particular piece in particular.

The one thing that seems universal in this error - overclocking.

Pretty much every post of this error I can find on the web mentions overclocking. The most posted problem was heat and voltage. It shouldn't take much Vcore to get your E8400 up to 3.6GHz...so I'm sure you didn't fiddle with that much.

RAM overclocks seem to be the 2nd most popular cause.

The one that I saw only a few times was damaged Buses and slots...unfortunately - thats darn near impossible to check.


I would return your rig to stock settings across the board and try and duplicate the error without an overclock. If it still is there - then I can't really think of what in particular might be damaged.

If it does not duplicate - then slowly bring your rig back to it's current overclock - one component at a time to see if you can isolate it.
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by Rev1 View Post

Do you get this BSOD under Prime95 or another stress testing program, or only in games?

Like a dummy I haven't run Prime95 in a while. It just been crashing with games, and last night with photoshop. I'll run Prime tonight.
    
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by clbkdaz View Post

The one thing that seems universal in this error - overclocking.

Pretty much every post of this error I can find on the web mentions overclocking. The most posted problem was heat and voltage. It shouldn't take much Vcore to get your E8400 up to 3.6GHz...so I'm sure you didn't fiddle with that much.

RAM overclocks seem to be the 2nd most popular cause.

The one that I saw only a few times was damaged Buses and slots...unfortunately - thats darn near impossible to check.


I would return your rig to stock settings across the board and try and duplicate the error without an overclock. If it still is there - then I can't really think of what in particular might be damaged.

If it does not duplicate - then slowly bring your rig back to it's current overclock - one component at a time to see if you can isolate it.

I haven't overclocked the RAM. Actually tried underclocking to see if that would help.

I'm running 1.275v on the CPU and that's been stable for months. I'll put it everything to stock settings like you say and see if it happens again.

I was hoping it could be a software error and something a format could fix. Damn I hate chasing these problems with no clear cause..
    
CPUMotherboardGraphicsRAM
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CPUMotherboardGraphicsRAM
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