MSI PRO H610M-B DDR4 Motherboard, Micro-ATX ...
Unfortunately, DDR4 is not backward compatible, so neither is DDR3 forwards compatible. Putting a DDR3 stick into a DDR4 socket would be bad for the stick and the motherboard, perhaps even causing irreversible damage.
SOLVED: Ram Upgrade: can I use DDR3L instead of DDR3? - MacBook ...
Bcos in my laptop theres a sticker that tells ddr3 ram ... Yes, that's correct, if your laptop already has a DDR3 RAM, you can not install a DDR4 RAM.
One RAM slot not working - HP Support Community - 8862973
Fixes to Make the RAM Slots Work Again. ... If the RAM does not work at all or functions in only some slots, then the problem may be in the memory slot.