Cannot use all 4 Ram Slots

PsycopaticKiller · Oct 27, 2016

I want to upgrade my ram to 32 gb so I bought a Corsair Vengence 32gb kit (8x4). Sadly I am not able to use all the 4 slots in my motherboard. I installed the ram in the first 2 slots i.e A1 and A2 and my system worked perfectly. But when I tried to install the other 2 ram sticks in the 3rd and 4th slots i.e B1 and B2, my PC refuses to boot up. I tried putting the ram in just the 3rd and 4th slot and the MEM OK LED lights up. Even if all 4 sticks are placed in the slots the pc doesn't boot up. I tried to do everything that I know about this situation but was unable to make all the 32 gb ram work. It will be really appreciated if someone can help me out

My System Specs
Motherboard: Asus Z97-A
Ram: 32gb kit Corsair Vengence
Processor : Intel I7 4790k ( not overclocked)

getochkn · Oct 27, 2016

Does it work in any 3 slots? Try to narrow if one of the B1 or B2 is bad. I don't know if you might have to up the voltage a bit to get all 4 to work, but don't do it till maybe someone more familar with Intel chimes in.

Tradesman1 · Oct 27, 2016

What CPU cooler? try loosening it and then snug down screw tight. If it's too tight in a corner or side you can effectively 'lose' a channel as the CPU/pins don't have full contact. Can also check that there are no bent/broken CPU pins

PsycopaticKiller · Oct 28, 2016

getochkn :

I tried using only 3 slots but the error is still there

PsycopaticKiller · Oct 28, 2016

Tradesman1 :

I have the stock cooler and it is fit just perfectly not too tight and not too loose

getochkn · Oct 28, 2016

PsycopaticKiller :

Did you try 3 and then a different 3? Basically is it 1 slot that is giving you grief.

R4DIO4CT1VE · Oct 28, 2016

you could try updating you bios if its not up to date, I had a similar issue to this and that fixed it.

PsycopaticKiller · Oct 29, 2016

getochkn :

PsycopaticKiller :

Did you try 3 and then a different 3? Basically is it 1 slot that is giving you grief.

no the 3rd and 4th slot both do not work

getochkn · Oct 29, 2016

do slots 3 or 4 work on their own without anything in 1 and 2 ?

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