Troubleshooting CPU/Motherboard Issues

kipland007 · May 21, 2013

I recently bought an ASRock b75m-itx motherboard and a Intel Pentium G860 CPU for a HTPC build I am doing. When I assembled it with all the components, I was unable to get any video out. I used headphones but didn't hear any error beeps, and everything would continue running until I shut it down. However, no matter what I did, I couldn't get anything to display on my monitor.

I figured it was a motherboard issue, so I RMA'ed through Newegg. However, I just got my new one, and I'm having the same issue. The only thing I can think of at this point is RMAing the CPU, but I wanted to see if anyone had any other ideas? I figured it must be one of the two (and motherboard wouldn't boot into BIOS since it needs CPU for video processing) but I'm not crazy about RMAing a second thing that may not solve my issue.

Thanks!

smorizio · May 21, 2013

Check the bios label on the bios chip see if it at a high rev where the bios has the newest CPU code for your CPU. Check the CPU guild to see what bios needs to be on the mb to post. If it a ram issue try one dimm. Most times with no post you shorted the mb out. Check that all the standoffs were used and the mb shield not shorting out the mb. Also make sure the four or eight pin atx power plug on the mb is connected.

kipland007 · May 22, 2013

smorizio :

Thanks for responding. I've tried swapping out different RAM sticks, and I've been pretty positive that everything is connected properly. MB is on standoffs and it doesn't appear to be shorting out - power cables are connected properly and CPU+case fan both run fine upon booting (I assume they would not if the MB was shorted since both receive power from it). Looking at it powering up I can't see anything wrong (I work in tech support so I would hope I might see if something wasn't working), just no POST or display.

Since it's using CPU graphics wouldn't that explain why there is no output?

smorizio · May 22, 2013

I would try another ps just in case one you have has a dead leg. Power good leg could be low. Check under the CPU for bent pins. Last try bread boRding the pc to ake sure was not a case short.

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Troubleshooting CPU/Motherboard Issues

kipland007

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smorizio

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kipland007

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smorizio

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