If you’re experiencing a flashing red light on your Xbox 360, there are a few things you can do to fix it. First, check to see if the light is coming from the power supply or the console itself. If it’s coming from the power supply, try turning off the power to the console and then back on it. If the light is coming from the console, try cleaning any dust or debris that may be on it with a cloth or vacuum cleaner. If all of this doesn’t work, you may need to replace your Xbox 360’s power supply.