Question 2x8GB Ram but computer only uses 8GB

Dec 22, 2019
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i bought Motherboard Micro-ATX MSI B450M + AMD Ryzen 7 2700 + RAM G.SKILL Aegis 16GB (2x8GB) DDR4-3000MHz but im having an issue.
So when i started it was a bit laggy playing some games wich was weird so i saw that the computer is using only 8GB.

Any suggestions?
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Dec 21, 2019
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I have a solution i hope!
Maybe if you have four slots on motherb. , first ram stick goes in first slot, second stick goes in third slot, or first stick in second slot and second stick in fourth slot if you understand me.Try :)
 
Aug 7, 2018
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Second and fourth

Motherboards want the memory in certain slots, in certain order, particularly to get dual channel. Why did you pick those two slots? Per the manual/specs, or just a random guess?

I would install one stick in slot (usually "0") and verify that it's good, then do the same thing with the other stick. First thing to determine is if both sticks are actually good.