I HAVE HP ELITEBOOK 840 G3 ITS BOARD NUMBER IS 6050A2728501-MB-A01 , IT BLINKS 3 LONG AND 2 SHORT CAPSLOCK LIGHT THAT IS MEMORY FAILURE BUT I CHANGE WORKING RAMS THAT NO HELP, EVEN I CLEAN UP AND RESOLDERED THE MEMORY SLOT THAT DIDNOT HELP , I TRIED TO GET SCHEM BUT IT IS NOT AVAILABLE PLEASE ANY HELP