This means that your DVD drive damaged and needs to be changed. You can do this by buying a new DVD drive and replacing it yourself or call Microsoft up and they will fix it (maybe for a cost though). Or... Get a new one, dude.
You can send it to Microsoft who will fix your Xbox 360.
This problem is caused by a malfunction in the connection between the xbox and the hard drive, the easiest way to fix this is to remove the hard drive and put it back in and that should work.
Call Xbox live.
You have to mail it to the Microsoft xbox 360 corporation. Unless you know some Guinness that can fix it.
To correctly fix a wireless xbox 360 controller simply refer to the service and user manual.
If you open the disc drive and take the disc out, and spray compressed air all around inside. Tell me if this helped?
To fix write protection on an Xbox 360 thumb drive, first ensure the physical write protection switch (if present) is set to the "off" position. Next, connect the thumb drive to your computer, and use the Disk Management tool to check if it’s marked as read-only. If so, you can use Command Prompt to remove the write protection by typing "diskpart," selecting the drive, and entering "attributes disk clear readonly." Finally, safely eject the thumb drive and reconnect it to the Xbox 360.
download more internet or higher a new internet explorer onto your disc drive for more connections from the servers
send it in to xbox or get a disc doctor
If you have a Vizio tv than make sure the cords are plugged in on the same side. Or check for dust in your hard drive.
3 red rings (of death). Call xbox and get it sent back to them, they will fix it and send it back in 2weeks! GL.