If your Xbox has problem loading disks, it probably comes from a deffective lens. Replacing your old XBOX DVD drive with this one will solve your problem

Features:

• XBox DVD Rom Drive Unit made by Philips
• Cure disc reading errors easily.
• Complete drive unit.
• Easy to install.
• Fits all XBox versions.

Instructions:

There are two cables that need to be connected on the xbox drive. A ribbon cable and a smaller cable with 8 yellow wires. To get it to work, force the yellow wire connector on upside down. Once it is forced it in upside down, it will power up perfectly.