I recently bought components for my new pc , but on assembling i didnt get display so i sent the motherboard for rma.. still didnt got the display so i sent the gpu for rma.. still didnt got the disply so i swapped the RAM slotand i discovered that each time i power on the system i dont get the display but on swapping the ram slot i get the display.. but on powering on again i have to change the slot,, pls help