[SOLVED] Z97 PC Mate cycling when DIMM2&4 used

Oct 17, 2021
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I'll try to keep this short. A friend bought a used Z97 PC mate from a used parts store nearby. I mistakenly installed the ramm into 3&4 rather than the 2&4 that the manual tells you to. I didn't catch this mistake until I checked the BIOS [it wasnt recognizing 2x8gb, only 1x8gb]. I corrected it and when i powered the tower on, it started a 5-second long power cycle. I did a speaker test and tested each one alone -- no problems. I placed the second back into the DIMM3 and once again it booted but only recognized 8gb.

Is this a problem with the MOBO and what would you recommend I test/check to rule out possible culprits?
 
Oct 17, 2021
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Install the RAM sticks in the #2 and #4 slots as usual and reset the CMOS by pulling the battery for 30 seconds and replacing.
That was one of the1 first things I tried. I even replaced the battery.

I guess my question should be "is it possible the #2 was either damaged or shorted"
 
Oct 17, 2021
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You never know what you'll get when you buy used parts.

Are there bent pins in the CPU socket?

What happens when you install one stick in every slot?
I feel like an idiot for not checking the CPU pins for debris. After cleaning, drying, and inspecting the MOBO by a different friend, we figured out that the CPU did have both bent pins AND some kind of spider web. Thanks!
 

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