RAM SLOT NOT WORKING ,GA-H81M-S

Make sure that your motherboard's BIOS is up to date, along with any updates for your operating system Also, look at each RAM stick

In image they are the two slots on the left with ram installed I can use either of the two or both at the same time The motherboard

2017 dilr slot 1 List of Motherboards with 2 RAM Slots: ASRock B760M-H, ASRock H610MAC, ASRock B760M-HDV, ASRock H610M-HDV+ D5, ASUS ROG MAXIMUS Z790 APEX

20 dazzling hot slot motherboard if you have two or four sticks and also shows you how to enable XMP profiles