just got my xbox repaired , supposedy gone in for a reball , but plug it in and the fan is so noisy a it's unreal she said it will die down after a hour

Anyone got any experience in this?

 

I guess this is from MS because i had mine repaired with the internals being completely replaced (disc drive and cpu shat themselves) and the disc drive when cold sounds like a fecking diesel but when warm whisper quiet.