Hi everyone , I got a memory problem on my RAM 8 gb but 3.21 only usable so I decided to switch and clean my ram chips and put it back on and I did but when I turn on the power I didn't start , no beep , no post , no display only black , power button is lighted , no mouse or keyboard , no boot , my monitor is working , It's a new motherboard I tried connecting it all again but didn't work for me how to fix this? :<