The cause of E-74 with one red light Error might be overheating of your console
and for avoiding such error in future you need to put your machine at an open
space. Ensure that it is placed near the window or you can also make some
external arrangement for cooling of console such as cooling the machine through
a pedestal fan.
But as your Xbox already have E74 with one red light Problem
which can be solved by only repairing it, no other alternative.
can send your Xbox to Microsoft (Please note that microsoft is no longer
providing extended warranty for E74 with one red lightError) and wait for 3-4
weeks. If you don't want to wait for a month, you can also fix E74 with one red
light problem with the help of this DIY Video
, the guide will explain step by
step approach to fix the problem. Choice is yours........