The Xbox 360 has a DVD drive for playing optical game discs. Vibrations from the CD-ROM/DVD drive's motor can dislodge a magnet from inside of the case and cause game discs to play erratically. You can fix the game console's CD-ROM/DVD drive so that optical game discs will again play correctly. You need a few hardware tools to partially disassemble the Xbox 360, but you do not need to have electrical skills.
Place a bath towel on a table. Remove all cables from the Xbox 360. Place the Xbox 360 horizontally on the bath towel with the power button facing you. Squeeze the upper left corner of the Xbox 360 with one hand while pulling up on the open slot at the bottom right corner with the other hand. Slide the faceplate off the Xbox 360 once it has been loosened by the squeezing and pulling.
Insert the tip of the #10 Torx screwdriver into the top hole in the ventilation grill on the right side nearest to you. Lift up on the tip of the #10 Torx screwdriver to release the plastic latch inside. Repeat this procedure in the middle hole at the top and the top right hole farthest from you. Repeat this procedure with the ventilation grill on the left side of the Xbox 360.
Turn the Xbox 360 over. Lift up on the bottom shelf to reveal the 14 screws. Remove the screws with the #20 Torx screwdriver. Turn the Xbox 360 over.
Lift the outer casing off the Xbox 360. Unscrew the back panel using the #10 Torx screwdriver. Remove the plastic inserts on the left and right side of the Xbox 360. Remove the back panel.
Remove the screws from around the metal plate on the Xbox 360 with the #10 Torx screwdriver. Lift the metal plate off the Xbox 360.
Remove the screws from around the CD-ROM/DVD drive with the Phillips jeweler's screwdriver. The CD-ROM/DVD drive is the metal rectangular box lying next to the hard drive.
Lift the CD-ROM/DVD drive up. Pull the two connectors out of the back of the CD-ROM/DVD drive with your fingers.
Fixing The Xbox 360 DVD/CD-ROM Drive
Place the CD-ROM/DVD drive on the bath towel with the warning sticker facing down. Pull the disc tray halfway out of the front of the CD-ROM/DVD drive with your fingers.
Remove the screws from around the CD-ROM/DVD drive with the Phillips jeweler's screwdriver. Remove the case from off of the CD-ROM/DVD drive. Grab hold of the magnet that is now clinging to the inside of the case.
Apply bonding glue to one side of the magnet. Place the magnet, bonding glue side down, onto the center of the spindle hole at the middle of the CD-ROM/DVD drive. Push down on the magnet for 10 seconds. Let the bonding glue set for an hour.
Place the case back onto the CD-ROM/DVD drive. Reattach the screws. Push the disc tray back into. Turn the CD-ROM/DVD drive over.
Reattach the two connections to the back of the CD-ROM/DVD drive. Place the CD-ROM/DVD drive back into its original position on the Xbox 360. Reattach the screws.
Place the metal plate back onto the Xbox 360. Reattach the screws. Reverse the disassembly process to reassemble the Xbox 360. Reattach the cables.
Read more: How to Fix the XBox 360 CD-ROM eHow.com http://www.ehow.com/how_6806971_fix-xbox-360-cd_rom.html#ixzz0vaPN0ddV