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1090T Freezing and Failing to POST

post #1 of 16
Thread Starter 
For the past 3 weeks or so, I've been having this problem, and it's finally gotten to the point where I can't stand it any more:
I'll get occasional freezes, usually about once per day. No bluescreen, no artifacting, just a straight lock-up. More recently, I've received random bluescreens as well, albeit only twice. Here's where the real problem that has me concerned: sometimes, my setup will fail to POST. Lights come on, fans spin up, etc, but that's all. When this happens, the POST status LED for the CPU comes on and stays lit, which, if it is to be trusted, says it is a CPU issue... However, before blindly following it, I'm wondering if anyone else has any firsthand experience with this, or advice as to determine what the underlying cause may be (I want to believe it's a power-supply issue, causing the CPU to not pass its POST inspection...but that's just...hoping, really). Further, on successful boots (usually after a failed POST, but not always), I'm given a message about a new CPU being found, and am prompted to enter the BIOS setup for it (where all values are both present and correct).
As a side-note, my system (in my signature) has been running at stock speeds for a while, even before this issue began occuring, so it's not due to a bad OC.
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post #2 of 16
Try running some tests on your RAM.

Here you go thumb.gif
http://www.memtest86.com/
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post #3 of 16
Thread Starter 
That was one of the first things I tried, I let it run for overnight (albeit a short night), let it make 7 passes; over the course of that, 0 errors occurred.

As an additional note to the first post, there were no major hardware changes (in fact, the only one I can think of close to when this started was a new webcam...), BIOS updates, or anything like that immediately before this started happening, I was running fine with the current setup for a few months without any problems.
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post #4 of 16
Thread Starter 
Trying to test whether it actually is a CPU issue, I left Prime95 running last night for about 8 hours, it was still going when I woke up, so I'm even further confused now.
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post #5 of 16
I thought it was the memory at first too. Sounds like a silly question but Im assuming you have all the right volts for the CPU, Memory, and how long have you had the Powers supply?
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post #6 of 16
Thread Starter 
Voltages are all at recommended/stock settings right now (and have been since about February); the power supply was purchased new when I built this in December.
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Big Red
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post #7 of 16
To me it sounds like PSU.

You have a decent PSU, but then again, even the good ones can fail. Have you got another PSU you try?

Also, have you tried running the machine with minimum components? ie. just CPU, RAM, Mobo, HDD and GPU? Make sure nothing additional is connected.

With the bios, go through every setting you can find. Maybe reset it back to default settings and see how you get on.
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post #8 of 16
I think it is too early to determine if it is the PSU. What are your temps of CPU and GPU. Try graphics card in a different slot. Make sure all your drivers are updated and do a cmos reset. Run BIOS at default.
Edited by PureOC Jim - 6/3/11 at 11:50am
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post #9 of 16
make sure C1E is disabled(BIOS)
Add a little voltage to your CPU/NB and/or RAM. Set your CPU/NB voltage first @ 1.175-1.20V(if stock is 1.15v)
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post #10 of 16
Thread Starter 
Quote:
Originally Posted by tedman;13738108 
Have you got another PSU you try?

Also, have you tried running the machine with minimum components? ie. just CPU, RAM, Mobo, HDD and GPU? Make sure nothing additional is connected.

With the bios, go through every setting you can find. Maybe reset it back to default settings and see how you get on.

I don't have an extra PSU on-hand right now, however I could procure one without much hassle, that's on my to-do list if this keeps acting up. As for minimum components, I had already removed most extras, I just now unhooked my two additional hard-drives. Resetting to default settings was one of my earlier attempts at fixing this as well, before posting.
Quote:
Originally Posted by PureOC Jim;13739880 
I think it is too early to determine if it is the PSU. What are your temps of CPU and GPU. Try graphics card in a different slot. Make sure all your drivers are updated and do a cmos reset. Run BIOS at default.
CPU temp (as reported by CoreTemp, which I know tends to lowball temperatures, and needs an additional error correction value added, but I forget offhand, so I'm just posting the raw number) ranges from 16C idle to 24C load.
GPU temperature (reported by GPU-Z) ranges from 33C idle to a max of 84C while running 3DMark 11.
Drivers are up to date, and BIOS has been reset to default.
Graphics card in another slot is not much of an option without cutting my case, due to the card's loength, it barely fits where it is, lower slots would run into the hard-drive cage.
Quote:
Originally Posted by IOSEFINI;13740019 
make sure C1E is disabled(BIOS)
Add a little voltage to your CPU/NB and/or RAM. Set your CPU/NB voltage first @ 1.175-1.20V(if stock is 1.15v)
C1E is (and always has) been disabled.
I just bumped up the CPU/NB voltage to 1.176V, it was at 1.158 previously, we'll see how this works.


Thanks for all the suggestions so far.
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Big Red
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