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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > Fix for iChat Screen Sharing Problem I was Having

Fix for iChat Screen Sharing Problem I was Having
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Grizzled Veteran
Join Date: Nov 2003
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Nov 16, 2007, 01:12 PM
 
Okay, I just thought I'd chime in and try to help some people from going through the frustration that I recently went through with iChat in Leopard. Here's my story.

iChat screen sharing used to work for me and suddenly one day it stopped working correctly... lemme explain. I would let someone share my screen, and it would start working and they would wave their mouse around and 10 seconds later, it will freeze and lose connection with a timeout.

At first I thought it was a firewall issue but, after thinking about it.... I thought, how could it be if it was working for 10 seconds and suddenly stopped? If it was a firewall issue, it wouldn't work at all. Then I thought maybe my iChat app got corrupted, so I used Time Machine (yay!) to restore iChat from one of the first days I got Leopard. That didn't work. So then I figured my preferences got corrupt, so I deleted my com.apple.ichat.plist file and still didn't work. I was so mad that Apple made this feature basically useless for me until I had a crazy hunch.

After an hour if pulling out my hair, I finally had an idea of what might be causing the crash... I noticed I had my old iSight plugged in (the external firewire iSight) into my Apple Cinema Display. I unplugged it and iChat screen sharing worked PERFECTLY. You should also know that I don't have problems with my iSight, it works well on Video Chat and Audio Chat and even presentation mode but, it screwed up screen sharing.

In conclusion, if you're experiencing sudden connection losses with iChat screen sharing, check to see if you have an iSight plugged into your Mac and unplug it.

Also, you're welcome.
     
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Join Date: Jun 2001
Location: Northwest Ohio
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Nov 16, 2007, 01:32 PM
 
Originally Posted by TheSpaz View Post
In conclusion, if you're experiencing sudden connection losses with iChat screen sharing, check to see if you have an iSight plugged into your Mac and unplug it.
Now try hooking up a microphone to your Mac (if it doesn't have one already), and see if the problem comes back. If it does, it could still possibly be a bandwidth issue. because when you do screen sharing iChat opens up an audio channel to allow you and the remote party to converse.

I have an old external FireWire iSight on my Power Mac G5, and the screen sharing works pretty well with it.

YMMV, but still good advice.
     
   
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