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TiBook Sleep Problem Workaround
Authored by: dzahn on Sep 20, '02 12:16:44PM

My laptop wakes up with a black screen if I disconnect a second monitor aftrer it has gone to sleep by closing the lid. Adding the second monitor back only produces two blue screens. Hard reboot is the only way out. I had hoped that OSX 10.2.1 would solve this problem but it has not. However this workaround continues to work.

Before putting your TiBook to sleep: 1. make sure the top menu is on the TiBook. 2. pull the video cable to the external monitor. 3. open the display control and "detect display" (to get the laptop to notice that it has only one display). 4. put to sleep.

When you decide to wake up your laptop: 1. first wake up. 2. then plug in second display. 3. use the display control and "detect display".

This works very reliably for me; I have not tried all the permutations of this method and there may be a simpler process. I believe that this issue is a result of changes that Apple made to the display controller to allow you to have an external monitor running on a lap top with a closed lid. A very silly "improvement" if you ask me.

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TiBook Sleep Problem Workaround
Authored by: GOPbabe on Dec 09, '02 04:32:06PM

Running Wallstreet G3 292 mhz and had the same problem of
display being dark when waking up from sleep mode. Only my
display stayed dark not only when it was woken from sleep but
also after each reboot.

I resolved the problem by booting into System 9 and turning off OS9
Energy Saver. I have found that it is best to have your preferences and
control settings on both systems, OS9 and OSX, set to the same
settings, otherwise, it causes a conflict.

Hope this works for you all,

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TiBook Sleep Problem Workaround
Authored by: wkiri on Apr 01, '04 11:01:58PM

I've had this same problem, but it is usually caused by the laptop closing, and then getting bumped open and closed without getting to fully wake up or sleep. Since this is only an issue when I'm transporting it from home/work/travel, it only happens when it's on battery power, and therefore one solution is to "disable wake from sleep when the lid is opened, when battery power is used". You can do this with:

sudo pmset -b lidwake 0

I hope this solves your problem, too.


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TiBook Sleep Problem Workaround
Authored by: wkiri on Apr 01, '04 11:03:06PM

Actually, my comment was supposed to apply to the post before this one.

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