Microsoft Xbox 360 Console "blank screeen" Questions

3 red lights no power screeen blank screen This is the dreaded ring of death my friend go here to read all about it http://support.microsoft.com/kb/907534

blank on nintendo ds dust in the game console clean with wet q-tip the game and the ds your cords are crossed, get inside the DS and separate the cords, or, just get another on eBay. i got a white one

screeen blank I can hear the game but there is no visual. Not sure what my 9yr old did to it (the usual "nothing Mom") it might be water damage or he might have dropped it and it hit the ground really