E74 - Error FIX - Without Voiding WarrentyError E74? (xbox 360)
I have had the same problem, sometimes E74 and sometimes just green/black squares or dots. Its defantly a GPU ( Graphics Chip Problem )
I Also followed some youtube videos and tutorials from forums. And its a temporary fix I can get rid of the error for a while but they seem to come back..
What I did was firstly take the faceplate of the xbox360. Then to not void the warranty you can take a hairdryier to the microsoft seal and you can peel off without voiding. Then open the xbox360 , find the (H)ANA chip and stack aload of pennys with insulation tape round and put on top of it,
Put everything back to gether and you may find the error has gone. With me it still came back so then I then done the towel trick , Wich will heat up the solder and let it cool and now error seems to have gone for longer. But still does come back. I will try a REFLOW or removing the chip cleaning and adding new heatsink gel or what ever it called.
I hope this can help somone as it helped me . Sorry I didnt go into to to much detail but it all can be found on youtube and forums , searching " E74 Error Fix " All the best
-reply by The BuZ