Apple TV rebooting - HDMI switch

Hi gang,
Weird problem.
My Apple TV is hooked to an HDMI switch. If I am watching Apple TV, then change over to a different input (say, to watch a DVD), and then try to go back to the Apple TV, I get nothing on my screen.
I have to manually switch to an active input on my HDMI switch, then switch back to the input where the Apple TV is hooked up. When I do that, I get the Apple logo. After many minutes, I finally get an option to reboot the Apple TV.
Totally bizarre. Once the Apple TV is running, it seems to be OK, but it seems to not tolerate losing it's communication with the TV. Also, the reboot process has something totally wrong with it.
Any thoughts?
Cheers!

I too have essentially the same issue, with a few quirks:
1) I can switch back and forth all day long as long as the Apple TV has not been put to sleep. Once it is asleep and I try to switch back = trouble
2) I'm hooked up to a Sony Receiver with HDMI which is then hooked up to the TV via HDMI.
3) I'm using a monoprice HDMI cable. Maybe it's all monprice's fault...
4) Unfortunately the only solution I can find right now is to ditch HDMI altogether and use a component/optical connection. What a pain.
iMac (intel 2.0) Mac OS X (10.4.9)

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Funny thing is I had the exact same problem last week. I run a Macbook Pro 2.2 intel. The laptop is alway in a studio, on a stand and connected to an external keyboard and Wacom tablet. I'll use the laptop keypad and trackpad maybe 1% of the time out of the day. The day I updated to 10.5.6 is when the keypad and trackpad stopped working.
I had updated to 10.5 about 2-3 weeks previous, after running 10.4 for over a year with no problems. The original Archive and Instal had so many issues that I was forced to do the new instal and wipe the hard drive. After a few calls to Apple regarding the 10.5 install issues, I was offered an additional 90 days warranty.
When I took it into Apple last weekend for the keypad and trackpad issues I was told that the warranty that was offered as a goodwill gesture didn't cover any hardware issues, only software. Apple ran through a few things on the laptop and also tried booting off a bootable startup disk and couldn't figure out the problem.
I did check the cable issue as described below and also went thought other resets that I have read about in other posts. All to no avail.
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