Boot problem with 2 ram sticks

Solved: Not working 2 ram slots ram not detected in slot 2 I would double check that all memory are the same kind of memory and same model and everything Sometimes, the MB does not like 2 kits together in dual channels ramses book christmas edition slot 2) Bad slot: If you install just the suspect stick by itself in several different RAM slots does it always fail and does the other stick always

ramesses riches slot First try spraying the RAM slot with electrical contact cleaner and try again Then try pushing on the 2nd RAM slot and then turn the laptop on,