Question No boot with 3rd RAM stick?

Statik SA

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Mar 2, 2014
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Recently upgraded my PC, i have 3x 4GB DDR4 Kingston sticks (all same specs). All worked on my previous CPU and showed 12GB in WIndows


Now that i put in the new CPU it is not booting if i put the 3rd stick leaving me with only 8GB, it will only boot with 2 sticks.

Any idea? Thanks

I tried 1 by 1 and different slots, reseating etc no luck.
 

Statik SA

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Mar 2, 2014
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All are Kingston with only one module differing in model name. Its 2 KVR24N17S6/4 And one KVR24N17S8/4

It used to work before on the same motherboard i am using now with a less powerful cpu I had.

I went from a i3 8100 to a i9 9900.
On the ASUS B360F STRIX

The 12gb worked fine on this same mobo with the i3 so why is not working with the i9?
Just 8 working now though on the new cpu.
 

MJS WARLORD

Reputable
Jul 3, 2016
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Hi I was in the middle of typing when diddly posted , he is right , ram should always be in pairs and you should never go 50% you should always double what you are using.

IMPORTANT …. make sure the MHz figures are the same on all sticks or the lower MHz will pull down the performance of the higher one.
 

Zoel.fahmi

Great
Dec 27, 2019
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Recently upgraded my PC, i have 3x 4GB DDR4 Kingston sticks (all same specs). All worked on my previous CPU and showed 12GB in WIndows


Now that i put in the new CPU it is not booting if i put the 3rd stick leaving me with only 8GB, it will only boot with 2 sticks.

Any idea? Thanks

I tried 1 by 1 and different slots, reseating etc no luck.
I think that's the limitation on B365 motherboard, most i9 use Z390 or at least Z370
 
Jan 8, 2020
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Hello,
check out again how did you installed the memory sticks.

For example, the RAM sticks that are pair (same characteristics) goes on DIMM_A2 and DIMM_B2,
and the single one in DIMM_A1. If this doesn't work place them in different slots but always use the dual channel for the RAM sticks that came in pair.
 

Statik SA

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Mar 2, 2014
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Thanks guys tried all looks like when i was storing the motherboard while waiting for a new CPU it might of bent a pin, so will have to fix that
 

Zizo007

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Feb 23, 2019
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Thanks guys tried all looks like when i was storing the motherboard while waiting for a new CPU it might of bent a pin, so will have to fix that
Yes, a bent pin could do that but its harder to fix pins with Intel because the pins are on the motherboard and need a precise shape and pressure to work.
 

lynx1021

Reputable
Feb 17, 2016
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Yeah that's why Cary Holzman says to always save the CPU socket cover on a new motherboard incase you have to ship it out for RMA or leave the CPU out for a while. He says the Motherboard makers won't even accept a board for RMA without that CPU cover on it.
 

Zizo007

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Feb 23, 2019
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Yeah that's why Cary Holzman says to always save the CPU socket cover on a new motherboard incase you have to ship it out for RMA or leave the CPU out for a while. He says the Motherboard makers won't even accept a board for RMA without that CPU cover on it.
RMA doesn't cover bent pins.
 

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