Hey i have a dell optiplex 3040 micro with 4gb off ram. I wanted to upgrade it to 8gb so i purchased 2 x 4gb of corsair 1600mhz when i place them in the slots the and power the machine on it starts blinking orange even with just only one in it en when i place the origenal ram in it it works fine what can the problem be is there a setting i must change in uefi?