Question Z77 motherboardonly detecting 8gb of RAM

TooMuchMustard

Commendable
Dec 4, 2016
4
0
1,510
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Hello Tom's Hardware. Recently my aging motherboard (Asrock z77 extreme4) has began to only detect 8gb of RAM out of the 16gb that I have. I've tried out every possible combination of sticks in the slots and they all check out as functional. All the sticks are compatible & are identical except for the date printed on the sticker.

I've attached some pictures of what I'm seeing in the BIOS below. In pic1, you can see that it's only detecting one of the dual channels A2&B2 but not the other. If I leave only 2 sticks in A1&B1 those will appear so I don't believe the slots themselves are faulty. However looking at pic2, you can see that the system browser is detecting that all 4 are there with the yellow highlight.

I'm kind of assuming that the motherboard is FUBAR & just might be on it's way out. But I'm curious if there might be any way of remedying this so that both dual channels are working again.

Thanks!

View: https://imgur.com/nRBZq9P
(pic1)

View: https://imgur.com/hAtUE66
(pic2)
 

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