Official GIGABYTE Forum
Questions about GIGABYTE products => Motherboards with Intel processors => Topic started by: Befuddled on March 26, 2014, 07:18:47 pm
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I have built a system based on a Gigabyte H77N-WIFI board, using components off the QVLs for CPU and RAM.
It has an Intel i5 3350P processor, 8GB of G.Skill F3-10666CL9D-8GBRL (2 DDR3 sticks), and a Samsung 840EVO SSD in a Lian Li PC-Q12 HTPC case.
The problem is: It will not POST. That is, there is no video signal coming from the DVI connector. I am using a known-good display and cable.
The power LED lights. The PSU, CPU and case fans spin. The NIC LEDs react correctly for the network connection.
And now it gets bizarre. I have replaced the RAM twice, each time using 1.5V 1333 9-9-9-24 DDR3. I have replaced the PSU. I have replaced the CPU. I have tried the board outside the case to eliminate possible grounding issues.
Lastly, I have replaced the motherboard - meaning I now have a totally different system (save for the case and the SSD) - and it still will not POST!
I have officially reached the end of my rope. Any suggestions as to WTH I'm missing will be much appreciated.
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Hi there,
sorry to be the bearer of bad news but your chosen chip doesn't support on-board graphics. The "P" means that the video is locked within the CPU. You will not be able to run onboard graphics. You will need a dedicated graphics card.
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After basically building three systems with the same result, I came to the conclusion that the problem lay elsewhere.
Sure enough, I was using the wrong CPU. Even though it was on the QVL for this board, it wasn't supported.
Harsh lesson here - do not trust the QVLs when picking compatible parts.
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The CPU is supported and the fault isn't with the motherboard which will run graphics with the correct processor. As I stated before, the problem is due to your choice of CPU.