If you get the error message "cd-rom not recognized please insert" you probably have a bad cd drive or a bad disc. Start by ejecting the drive to make sure that the disc was inserted correctly. Also check for any scratches that would prevent the disc from being read. Try another disc to rule out if the disc is the issue. If none of your discs are being read, it is probably the drive. I get all my
. computer parts like a replacement cd-rom drive from www.newegg.com or www.tigerdirect.com.