Getting a weird screen flash-out on my Xbox 360

[starcraft]

AussieGecko said:

starcraft said:

Don't worry guys.  Switched down from 1080i to 720p.

Have no idea why that fixed it, or what the problem was.  I've used 1080i for around five years now...

have you tried going back to 1080 now that 720 works?

No.  You reckon I should?