Error code E27 occurs when you use your Xbox 360 console.

You may see the following error message and code when you use your Xbox 360 console:

System Error: Contact Xbox Customer Support

Error code E27

This means that there may be a problem with the console.

Try the following steps:

• Xbox 360 E console or Xbox 360 S console

1. Disconnect and reconnect all accessories.
2. Remove the hard drive.
3. Remove any USB flash drives. Here's how:
   • Turn off your Xbox 360 console.
   • Unplug any USB flash drive attached to your console.
   • Turn on the console.
   If this step resolves the problem, reattach the USB flash drive to make sure that the error occurs only when it is connected. If this is true, use another USB flash drive.
4. Roll back the current software updates on your console and apply new ones. Here's how:
   • Press the Guide button on your controller, go to Settings and select System Settings.
   • Select Storage.
   • Highlight (but do not select) Memory Unit.
   • On your controller, press the following buttons in the following order:
     1. Left bumper
     2. Right bumper
     3. The X button
     Don't know where these buttons are on your controller? See Xbox 360 wired and wireless controllers.
   • Repeat step D.
   • When you see the following message, select Yes:

     Delete System Update
     If any storage device contains a system update, the update and access to Xbox Live will be removed. To use these features again, sign in to Xbox Live and download the update. For more info, visit www.support.xbox.com/xbox-360/accessories/storage.
     Your console will restart after the operation is complete. Do you want to continue?
     Yes
     No

   • Your Xbox 360 console will reboot. Apply the latest software updates.
     

• Original Xbox 360 console

Use our Flashing Lights Solution. Choose one flashing light as the problem and follow the steps in the solution.

If these steps don't resolve the problem, go to the Online Service Centre to request a repair. For more information, see Getting your Xbox console or Kinect sensor serviced.

Repair or warranty questions? See Warranty and service: FAQ.