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-   -   PC shutdown issue (http://www.nvnews.net/vbulletin/showthread.php?t=164873)

Melfranks 07-31-11 07:31 PM

PC shutdown issue
 
I've been having problems with my system randomly shutting down.
I purchased everything but the GTX 470 new a couple weeks ago (Newegg).
It will run from hours to several days, but the problem is always the same, it simply shuts down.
No BSOD in spite of setting windows so it should not automatically restart on error.
After this it will often cycle attempting to restart, I get one blue LED on the board, then all of them, at which point it restarts again.
I clear the CMOS and it will usually, finally run again, although I am running defaults in the BIOS.
I'm at the point now however where I cannot get it to run for more than a few minutes before shutting down.
I have not upgraded for four years so this is incredibly frustrating, as when this thing actually runs it's quite awesome.
Considering the high quality PSU I'm leaning towards a bad MB, but honestly I'm not sure what I should do.

MSI P67A-G43 (B3) Bios 1.B
Intel Core i5-2500K
SeaSonic X750 Gold
G.SKILL Sniper F3-12800CL9D-8GBSR
Western Digital Caviar WD5002AALX
ASUS 24X DVD DRW-24B1ST
Nvidia GTX 470

jcrox 07-31-11 08:21 PM

Re: PC shutdown issue
 
I'm guessing you've got 2x-4GB memory sticks?

My first guess would be memory.

Check the specs on the memory and make sure it's running at the correct voltage and timings in the bios. Often times motherboards default to incorrect memory settings.

If everything is set properly try running one stick at a time.

Melfranks 07-31-11 09:04 PM

Re: PC shutdown issue
 
Thanks for the reply, I've run with both sticks individually, timings were per spec. Problem now is that I cannot even get to my bios to do anything, the pc simply will not start.
I get a bit of fan spin and the nothing.

Runningman 08-01-11 12:19 AM

Re: PC shutdown issue
 
its either the motherboard or power supply, I would try the power supply first before going with an RMA on the motherboard. Try the jumper trick to see if the powersupply cuts out..

http://www.overclock.net/faqs/96712-...upply-psu.html

Melfranks 08-01-11 08:23 AM

Re: PC shutdown issue
 
Quote:

Originally Posted by Runningman (Post 2462078)
its either the motherboard or power supply, I would try the power supply first before going with an RMA on the motherboard. Try the jumper trick to see if the powersupply cuts out..

http://www.overclock.net/faqs/96712-...upply-psu.html

I'm not sure that would help, when under 20% load the power supply fan does not run at all, not sure other than that how I can tell if its on.
Someone in another forum suggested that I run the system outside the case in case there is a short somewhere.
I'm going to try that after work, I'm going to have to remove the components anyway.

Melfranks 08-01-11 04:18 PM

Re: PC shutdown issue
 
I went ahead and set it up on plain cardboard boxes on my dining room table.
So far it seems to be running fine, and if this really ends up being an issue with a short in my case I'm going to kick myself for not buying a new one which is what I was originally planning on doing.
Any suggestions for a decent full tower, midrange priced case?
I was looking at an NZXT Phantom when I was shopping for them, pretty nice looking case and good reviews.
I was running an NZXT Zero before though, maybe it's time to switch brands.

Dazz 08-03-11 04:29 PM

Re: PC shutdown issue
 
Thing with cases it's personal prefrence. I kinda like the Corsair 650D. I have my eyes the sucessor to the coolermast Cosmos, The Cosmos 2.

Melfranks 08-06-11 08:51 PM

Re: PC shutdown issue
 
Replaced the motherboard, problem solved.

Dazz 08-07-11 06:35 AM

Re: PC shutdown issue
 
I have seen people have more problems with MSI boards then anyother brand. At least it's sorted for you.


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