In bios its showing 8192mb ram installed but in system properties it shows 3.49gb then rebooted shows 5.9gb after restart again showing 3.49gb please help to solve this, its newly built I'm running Windows 10 64bit amd ryzen 5 2400g corsoir 3000mhz ram, gigabyte a320m s2h mobo I'm using also switched slot and tried cmos and also done a memory diagnostic test, please helppppp!!!!!