Ok,my girl friend has windows xp by Dell, for 5 years now.The cable Modem ( Motorola ) went out,she got a new cable modem ( MOtorola ) from the cable company.when I installed the modem I accidently hook up the USB cable and the Ethernet connection to the cable modem,we then received a blue screen erro 0x00000024,I disconnected the USB cable and just had the ethernet connection hooked to the modem,but now the computer wont boot up the CD Rom wont door wont open inorder to put installation disc in to resart the computer,windows has shut down the computer to prevent further damage,so please tell to correct the problem,Im not a expert at this and my girl friend and I are 60 years and unemployed,so we have no money to get it fixed,please help.