Second ram slot not doesn't work

Can anyone tell me why do my right ram slots do not work dimm slot not working If your computer is not booting up or your computer is showing the wrong RAM size, then one of your computer's RAM slots could be faulty But dimm slot meaning Remove all RAM sticks and place one you know is functional into the first slot on your motherboard Boot your computer If it starts without problems, you know

dimm2 slot If the module works in one slot and not the other, the slot is bad