If your Original Xbox 360 console or power supply experiences any hardware failure, three of the four lights surrounding your power button might flash red. To determine the problem, turn on the console and check out the light on the power supply. ***If you see the green light on the power supply, you console needs to be repaired. ***If the light on your power supply is red, orange or there is no light, follow the steps bellow: Step 1 You need to check your power supply cable. Here is how: First, you need to unplug the cords from the back of your console, the power supply, and the wall outlet. Now plug the power cords firmly back into your console, the power supply, and the wall outlet. You have to plug your console directly into a wall outlet. Never use a surge protector or an extension cord. Finally, press the power button on your console. If the lights still flash red, follow the next step. Step 2 Use a different wall outlet The wall outlet you are using might be problematic. To check this, you can try a wall outlet in another room. Here is how: First you need to unplug the power supply from the console and wall outlet. Then take your console and power supply to another room. Now reconnect the power supply cable to your console and the wall outlet. You must ensure that all of the power supply connections are firmly secured. Finally, press the power button to check out If your console turns on and the light on your power supply is green, the problem is solved. So, there is a problem at the previous outlet. Never plug your console back into that outlet until it is inspected and fixed. But if the problem still exists, follow the next step. Step 3 The power supply might have overheated. It should be cooled down. Here is how: First, you need to unplug the power supply from the console and the wall outlet. You have to wait at least 30 minutes to let the power supply cool. Note: The power supply should be in a well-ventilated space, and the ventilation openings on the power supply should not be covered. After cooling it down, reconnect the power supply to your console and plug it back into the wall outlet. You must ensure all of the connections are firmly secured. Finally, press the power button. If the three lights still flash red, follow the next step. Step 4 You should replace the power supply. You can order a replacement Xbox 360 power supply from Xbox Online Service Center. Your console must be registered to replace a power supply under warranty.