Sorry for the very broad topic here, but I'm currently have a bit of a problem with either Time Capsule, my iMac, or my Apple TV. When trying to sync a movie from my iMac to my Apple TV, my iMac consistently drops the connection. While, my iMac has had multiple problems in the past with dropped connections, I've never been able to consistently replicate an action that leads to a dropped signal before (like I can with this one). Basically, I start syncing the movie, it will sync for a couple of minutes and then the signal is dropped. Does anyone have any suggestions for testing to try to figure out which of my devices is actually causing the problem? Here's what I've tried thus far: Time Capsule never would do the first back up"over the air," so I hooked it up with the ethernet cable for the initial back up. While I had a bit of a problem in the early going with backing up with Time Machine via Time Capsule, I haven't as of late. Yesterday I backed up 500 MB in one back up session, with no problem (and ridiculously quickly, I might add). My iMac (Late 2006, Core 2 Duo, 2.16 Ghz, 2 GB, White model) has never been able to really hold a signal extremely well, but it's never been too much of an annoyance. When I started syncing media to my Apple TV, the initial sync was well over 80 GB and over my old Airport Express it had no problem (with the exception of the time it took to sync over a G network) and synced the media in one setting over night. As I mentioned before, my Apple TV had no problem with initial syncing, but since switching my network over to Time Capsule, it's lost its signal twice, to where I have to retype the password (which is extremely annoying, by the way). Any ideas on anything I can test to figure it out? All three are still under warranty, so getting service for any of them shouldn't be a problem. Thanks in advance!