Three lights on the Ring of Light flash red on the front of your Xbox 360 console.

Figure 1: Three flashing lights on the Ring of Light
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The three flashing red lights may indicate that there is a hardware problem with your Xbox 360 console or power supply.
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The power supply light is located on the black box that is in the middle of your power cord.

Figure 2: The Xbox 360 Power Supply light
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Figure 3: Three flashing lights on the Ring of Light with a green power supply light
Your console is in need of a repair. There are no additional troubleshooting steps. To begin the online repair process, click one of the following links:
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Figure 4: Three flashing lights on the Ring of Light with a red, orange, or unlit power supply light
This will help determine whether the problem is with your power supply, your power outlet, or your console.
If the power supply light is still red, orange, or not lit, the problem is with your power supply. Contact Xbox Support to obtain a replacement power supply.
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