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Is my mobo screwed up?

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Slysoft:
So I've had some issues ever since I upgraded my computer 7 months ago. At first I was getting random BSOD which after running memtest86 I found a bad stick of ram and pulled it, and my PC began running fine. A few months later though, my PC started hard freezing randomly (everything locks up, USB devices lose power, static sound coming from speakers). This would happen randomly whether I was doing anything or not and while infrequent was still a problem. Recently, my PC has begun simply turning off randomly and not posting on reboot, with a post code that isn't in the manual and the customer service people don't know what it is.

Ultimately, I managed to get the system to post by removing all of my ram except for one stick. I'm not sure if the problem is fixed but it hasn't happened yet so I'll have to keep monitoring, but one thing to note is that I've tried 2 different sticks in the 2nd ram slot and the computer will not post until I remove it. I haven't tried the ram in the 3 or 4 slot yet but I have a feeling that both sticks can't be bad, so I'm thinking its a fried ram slot. I hope not because that will put me out of commission for a week or two.

halfelite:
Did you check the ram is compatible with the board? It might need more or less power then default settings is giving.

krumm:
Is it Intel or AMD.  If AMD it could be the cpu, due to the memory controller being on it.  I had a bad video card cause similar issues as well.  from what you have said I'm guessing it's Intel and the memory controller on the mobo is bad.  See if the computer posts with the ram only in the 1st ram channel, and then only in the 2ed ram channel.  look in the manual if you don't know which slots that is.  Some mobos require ram in certain slots( the manual should tell you if that's the case), but if not then you can maybe find out if it is the memory controller is only working on one channel.  It may be pointless to even go through with diagnosing and just replace the mobo out right.

I would not wait to long tho.

I had a CPU at work that had a bad ram controller and did not work with ram in the first channel, so I just used the 2ed channel until it died completely like 2 weeks later, so time may not really on your side.

This is all based on me assuming it's the ram controller causing the issues(if it fits the issue it usually is).


Incompatible RAM should have always had the same symptoms and not change.

nstgc:
Modern Intel CPUs also have an integrated memory controller.

Slysoft, could you provide some more information such as your motherboard, RAM, CPU, and  PSU?

Also, it could really be anything. For instance I found that my HDDs were incapatible with the controller. My Samsung F3 (Not Seagate Samsung) didn't play nice with my ICH10R (which is integrated onto my Intel CPU). Computer wouldn't POST and crashed at random. Replaced them with Western Digital RE4s and haven't have any problems. I thought it was my RAM, but it turned out to be the HDDs.

It still is mostly likely either your RAM or PSU, but it could be anything.

Slysoft:
Yeah, I haven't tried using this one stick in all slots yet, but that was the next thing I was going to do. It is an intel CPU.

Mobo
Ram
PSU
CPU

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