RAM problem, need help!

Drytakk

Reputable
Sep 18, 2015
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Today while I was browsing with chrome I noticed that the computer started to slowdown. When i checked the processor and RAM usage, i saw that i was using 2gb out of 2gb of RAM, but on my system i have installed 4gb of RAM.
When I checked the resource monitor I saw that 2057mb where reserved for the hardware.
On dxdiag it says 4gb of RAM. I searched a bit on google and someone solved this problem by going on msconfig and checking max memory, I did it and now it show 3,2gb usable, 800mb reserved for the hardware.
What can I do?
My current OS is windows 10 and yesterday I'm sure i was able to completly use the 4 gb of RAM.
windows 10 was upgraded from windows 7.
My os is 64bit.