RED LIGHTS FLASHING

To fix the flashing red lights what you will need to do is stop the heat getting to the GPU and the CPU and to do this you can use a good Xbox 360 Repair guide or of course you can send it in.

Three flashing red lights means there is a hardware problem with your Xbox 360 console or its power supply.

3 red flashing lights is known as the red ring of death. Your power supply showing a yellow light is ok, that just means that your power supply is on standby. The first thing you should do is check with microsoft to see if your unit is still under warranty with this site: http://support.xbox.com/support/en/us/xbox360/LiveIDSignIn.aspx?redirectUrl=http://support.xbox.com/support/en/us/xbox360/registerdevice.aspx?step=repair

If your unit is not under warranty, go to www.wiredextreme.com. We are a console repair company based in Texas, and we can fix your console. We give a free diagnoses on your unit(excluding shipping), and will call with an estimate before any work is done on the unit. All our work is covered by a 90 day warranty, and you can buy up to 4 years worth of warranty coverage.

this looks like a useful page to diagnose your problem:
http://www.llamma.com/xbox360/repair/Xbox-360-error-codes.htm

The specific type of hardware failure can be determined by a "hidden" error code
Turn the xbox 360 on, and wait till the 3 red lights are flashing.
Press and hold the sync up button (the small white one), while holding that button press the eject button.
The LEDs will now blink the first number in the code (as described below).
Release the eject button and press it again.
The LEDs will now blink the second number of the code.
Release the eject button and press it again.
The LEDs will now blink the third number of the code.
Release the eject button and press it again.
The LEDs will now blink the forth number of the code.
Release the eject button and press it again.
The LEDs will go back to the 3 red flashing lights.
You should be able to determine the difference between the 3 flashing lights and the error code lights by the rate in which they flash.
Here is how you interpret the LEDs to get the code number:
All four lights flashing - 0
One light flashing - 1
Two Lights flashing - 2
Three lights flashing - 3

Once you get this code, go to: http://forums.xbox-scene.com/index.php?showtopic=484726
To get the reason for the code.

Call 1800-4myxbox
They should repair it
This is a defect that should be covered by warranty.
The soldering has come loose on the CPU.

Good luck!

3 Red Flashing lights problem is one of the most common problem of Xbox 360. You will have to either get it repaired from Microsoft (in case your Xbox's warranty is not expired, but one thing to note is that you will have to wait for at least 3-4 weeks to get back your Xbox) or you can Fix your Xbox's 3 Flashing red lights problem yourself with the help of DIY Video guide available on Internet. You can fix yourself without any technical knowledge.

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Hi there!

The three flashing red lights may indicate that there is a hardware problem with your Xbox 360 console. The main thing that causes the 3 red lights to start flashing is because of overheating and as the motherboard within the console takes more heat it actually warps and bends until the solders become loose.

Once this happens you will receive the 3 red lights. Even before you get the 3 red lights you may have noticed your games freezing and this is caused in the same way, by overheating. As the chips take more heat they shut off to prevent lasting damage, although they can only do this a number of times until you get the Xbox 360 3 Red Lights.

To fix the problem you need to stop the level of heat the motherboard takes and you can do this in a number of ways, but it will involve opening up your Xbox and working on it. In addition, you could always send your Xbox back to Microsoft as they are offering free repair for this error, you will just need to wait 3-4 weeks that’s all.

Cheers!

YOu are having problems with the three red lights right (red ring of death)? How old is your xbox?

if its 3 red lights it has to be sent in for repair