Hi tried starting up my PC when I got home and was getting noting but a black screen I have been having a problem with my ram I have 4 stick and it was doing a black screen when I tried us wing all 4 but if I used 2 of them in the 2 and and 4 slots it would come on but was only running on 1 stick worth of memory but like I said I just got home and tried to start it up and was getting the black screen I have tried us ring all 4 sticks again also tried Stick 1in all slots by its self going to try the rest the same way but what els can t try