I haven't tested this, but as I recall, the Q2DX and auto sync preferences are changed back to their defaults when Quartz Debug quits. Thus: if one were to use Quartz debug to set things up the way you want them, and then force quit Quartz Debug, it shouldn't have the chance to turn them back.

Like I said, I haven't tried this. Your milage may vary.

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Force quit Quartz Debug.

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Ian

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found the defaults to change: use this console cmd:

sudo defaults write /Library/Preferences/com.apple.windowserver Compositor -dict deferredUpdates 0 You can verify this by opening /Library/Preferences/com.apple.windowserver in Property List Editor and expand "Compositor"

Open Quartz Debug and reveal the Beamsync tools. change the setting.

Reopen /Library/Preferences/com.apple.windowserver and expand Compositor to see the new setting.

0 = disable beamsync

1 = Auto beamsync

2 = force beamsync

Of course, YMMV.

Enjoy!

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