[MSI B150M Mortar Arctic] Ram Dimm Slots 1-3 are defective? (Won't Post)

Daniel2636 · Dec 20, 2016

Hey Everyone,

I just finished building my first ever PC and I have concerns regarding the motherboard's Ram DIMMS. I installed a single 8GB stick of ram into the 2nd DIMM slot as the manual instructed but the PC failed to post. I tried DIMM slots 1-3 and they all failed but when I tried DIMM 4 it worked.

My question is: Should I be concerned that DIMM slots 1-3 are defective? I'm really worried that I won't be able to add more ram later on down the road.

Maybe I'm worrying for no reason but I'd really appreciate a professional opinion.

I know someone will ask, so I'll list all of my PC specs below

CPU: i3 6100
RAM: Patriot Viper Elite 8GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) PVE48G213C4GY
Motherboard: MSI B150M MORTAR ARCTIC
PSU: EVGA SuperNOVA 550 G2 220-G2-0550-Y1 80+ GOLD 550W
SSD: 850 Evo 250gb
GPU: GTX 1060

JLio01 · Dec 20, 2016

Did you check if there's any bent pin in your CPU socket?

Daniel2636 · Dec 21, 2016

JLio01 :

Okay, so this was weird.

I knew there wasn't any bent pins because I checked everything very carefully before posting my question on here.
However, I decided to double check just to be sure..what I found was rather surprising; there were no bent pins on the mobo BUT the actual pcb on the processor was bent! I was examing the edges of the cpu and I found that two corners were bent up, ths not allowing the connectors to touch the pins on the motherboard. I added some padding (paper towel) between my fingers and the pcb and bent it back to a straight position. It worked! I can post using DIMM slot 2 now.

Thanks for replying! Your answer was chewing my mind all day and I just decided to check the pins again 15 minutes ago. haha.

JLio01 · Dec 22, 2016

Skylake CPU has thinner CPU PCB, sometimes PCB bending would be caused by higher pressure of CPU fan mounting, so..be really careful when doing it.

jonathanlaplante187 · Dec 30, 2016

all the persone who make build whit b150m motard but the ddr4 in the 2,4 slut . In the information of motherboard it's right to put like this

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[MSI B150M Mortar Arctic] Ram Dimm Slots 1-3 are defective? (Won't Post)

Daniel2636

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Daniel2636

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