Microsoft KB Archive/927747

= Xbox 360: One red light flashes on the Ring of Light, and you receive error E71 =

Article ID: 927747

Article Last Modified on 4/26/2007

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APPLIES TO


 * Microsoft XBox 360 Video Game System
 * Microsoft Xbox

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SYMPTOMS
When you restart the Xbox 360 console after an auto-update, the lower-right quadrant of the Ring of Light (RoL) flashes red. Additionally, you receive the following error message:

E71

If one red light flashes and you do not receive an error message, you may be experiencing a different issue.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

907535 Xbox 360: One red light flashes on the Ring of Light



CAUSE
This issue occurs when a hardware failure occurs in the Xbox 360 console.



THINGS TO TRY
 Turn off the console. Disconnect and then reconnect all the cables. Turn on the console again. If you have an Xbox 360 Hard Drive attached to the console, follow these steps:  Turn off the console, and then remove the hard drive. Turn on the console again to determine whether you still receive the error message. If you do not receive the error message, turn off the console, and then reattach the hard drive. Turn on the console again.

Note You may have to try this step more than one time to verify that you only receive the error message when you attach the hard drive. If you have an Xbox Memory Unit (MU) inserted into the console, follow these steps:  Turn off the console, and then remove the MU.</li> Turn on the console again to determine whether you still receive the error message.</li> If you do not receive the error message, turn off the console, and then reinsert the MU. Turn on the console again.</li></ol>

Note You may have to try this procedure more than one time to verify that you only receive the error message when you insert the MU.</li> Disconnect and then reconnect the power supply and the cables from the console. To do this, follow these steps:  Turn off the console.</li> Disconnect the cord that connects the power supply to the back of the console.</li> Disconnect the power cord from the power supply.</li> Unplug the power cord from the wall socket.</li> Reconnect all the cables, and then turn on the console again.</li></ol> </li> If you continue to experience this behavior, contact Xbox Customer Service.

Note If the agent cannot help you resolve this issue, you must return the console to Microsoft for repair.

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