I have this mobo: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?Sku=P459-1240 And this cpu http://www.tigerdirect.com/applications/SearchTools/item-details.asp?Sku=CP2-AM2-4200 When i turn it on, the monitor doesn't click on like it does with my other computers, it doesn't come on @ all. I also can't turn it off without having to switch it off in the back. I think it may be something im doing wrong with the case switches, but the way they have it layed out in the instructions is terrible.