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One light of the Ring of Light on the front of your Xbox 360 console flashes red, and you receive an error code and message: "E74 System Error. Contact Xbox Customer Support"

Article ID:941377
Last Review:July 23, 2008
Revision:2.1
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SYMPTOMS

When you perform an auto-update on the Xbox 360 console and then restart it, the lower-right quadrant of the Ring of Light flashes red. Additionally, you receive the following error message:
E74. System Error. Contact Xbox Customer Support.

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CAUSE

This behavior occurs when the Xbox 360 console experiences a hardware failure.

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THINGS TO TRY

Here are some steps that you can use to try to resolve the issue.
1.Turn off the console, disconnect all the cables, and then reconnect all the cables. Turn the console back on.
2.Turn off the console, and then disconnect any accessories that are connected. For example, disconnect any Xbox 360 controllers, Xbox 360 Memory Units, and the Xbox 360 Hard Drive. With the accessories disconnected, restart the console to see whether the problem still occurs. This can help you determine whether the console or an accessory is experiencing the problem.
3.If you continue to experience this problem, contact Xbox Customer Service.

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

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Additional support

If the steps in the previous section did not resolve your problem, your console may have to be repaired. For more information about how to start the repair process online, please visit http://www.xbox.com/support (http://www.xbox.com/support), and then click Repair your console in the upper-right part of the Web page.
Note Online console repair service is currently not available in all countries and regions.
If you want to instead contact Xbox Customer Support directly, please visit http://www.xbox.com/support/contact (http://www.xbox.com/support/contact) for information about how to do this.

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APPLIES TO
Microsoft Xbox
Microsoft XBox 360 Video Game System

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