RAM not recognized: how to restore

RAM not recognized: how to restore ram not detected in slot 2 If I use both ram in both slots, the computer recognizes it as 16gb but after restarting, it reverts back to 8gb even though they're in dual ram slot 1 and 3 or 2 and 4 Have you tried just 2 sticks of ram in A2 and B2? That is the initial dual channel configuration Will that boot ok? See if that will boot first then add

ram slot 1 and 3 or 2 and 4 If one of the slots fails you'll have to replace the whole motherboard or use the laptop with only one working slot Buying a new motherboard

ram not detected in slot 2 Another way to get information about memory slots and details about the RAM currently installed on your computer, is to use the free CPU-Z third Then take the ram sticks out, check the slots for any damage, if you got a air duster, use it On the sticks, clean the contacts with a cotton