You can't, you will need to buy a new one.
a new cable
You can send it to Microsoft who will fix your Xbox 360.
To fix a soaked HDMI cable, you need to place it in the sun
I have the new xbox 360 and it i just recently got a HDMI cable for it. It's barely noticeable but when I'm playing, every 3 seconds the audio cuts off for about a fourth of a second. Can anyone tell me why this is happening and how to fix it.
Call Xbox live.
You have to mail it to the Microsoft xbox 360 corporation. Unless you know some Guinness that can fix it.
To correctly fix a wireless xbox 360 controller simply refer to the service and user manual.
first you put all wires in your xbox and then turn it on wait about a minute and then pull the power cable out..... leave it fo 2 mins and plug in
send it in to xbox or get a disc doctor
The best thing to do is unplug your AV cables out of your xbox 360 and TV. Reconnect them but make sure they are in probably. Test and see if working. You might find that you will get 4 red lights of death, this just means that the AV cable is damaged. Replace the AV cable and it should work.
they don't it is a very silly thing people say I fix xbox's and I know hope that helps!
no they will not.I reccoment to you to use an online Xbox 360 fix gude. these Xbox 360 fix guides, there are easy to understand with step-by-step videos. (see link below)