One Ram slot gone Bad - MacBook Pro 13 Unibody Mid 2010

On macOS, go to About This Mac > System Report > Memory Troubleshooting Laptop doesn't boot: Double-check the RAM seating No, not in your

First off, I noticed that two ram sticks won't work until I use 1 ram stick and turn on my PC Then two ram sticks will work after that This is constant I've

rama 888 slot The problem is that I can only install one of the new sticks of RAM RAM module be placed in a specific RAM slot That does not appear to

ramses revenge slot As @donm4599x said, some motherboards REQUIRE a stick in DIMM1 to recognize any RAM and pass POST Try your sticks in DIMM1 and DIMM2, then