Hello my name is Tim Ehrhart, I repair 360's as a side job and come across these all the time. You need to do the x-clamp repair this willl fix your 360, I know it sounds hard to do but it really isnt. here is a link on how to do it yourself. http://www.llamma.com/xbox360/repair/xbox-360-repair.htm If you need a walk through you can search my name on youtube I have plenty of videos on this.
when i turn my xbox on no picture appears but the sound works. i checked my cables, tried different...
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when i turn my xbox on no picture appears but the sound works. i checked my cables, tried different ones and tried a different tv. i have had my xbox on the same tv and it just now started after about 2 years