RAM Slots not Working on Mac Pro 4,1

RAM Slots not Working on Mac Pro 4,1 ram not detected in slot 2 The strange thing is that when I enter the BIOS it recognizes both 8gb modules but in total RAM it still 8gb Also from ram slot 1 and 3 or 2 and 4 2 If both of the slots can work properly, please load BIOS default and install the memory to B2A2 slots and try to see if the system can boot

ram slot 1 and 3 or 2 and 4 RAM will not be compatible with a motherboard slot made for DDR3 or DDR5 Next to Memory, you'll see the amount of RAM your Mac has and its

rambo slot wallet Check the BIOSUEFI settings to ensure that the RAM is being detected and is being configured correctly You may need to enable dual channel So just to make sure I have this right: There are two RAM slots on your computer? If you go into the BIOS could you tell us what it reads as the