XBOX 360 Maintenance

[Hsr94]

to perform maintenance on your xbox 360 just go to the system blade then select memory, then highlight the hard drive and press on your controller Y,X,X,LB,RB,X,X and a window on the right should come up saying do you want to perform maintenance, you need to press YES

[TBoneit]

And why would you want to do that?

It sounds as if you are saying what to do to with regards to
Clearing your update cache: This clears out the cache of dashboard, system, and other updates in case something gets glitched and you can't update. Go to the System blade, then select "Memory." From that screen, select your hard drive, then hit "Y" to get to "Device Options." From there, use the controller to enter: X, X, LB, RB, X, X. You'll get a message asking if you want to perform maintenance on the device - select Yes

I would think most do not need to do this.