I am changing the case for my prebuilt PC and I am having difficulty removing the motherboard. I have removed all the screws holding the motherboard down and have disconnected all of the cords but the motherboard won’t leave the case. I am able to lift it off the stand-offs on the left but it won’t move by the IO shield. I don’t want to break and I am afraid I will if I pull any harder so I’m asking for some tips. Thanks.