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Switch to login window upon sleep
Authored by: habes on Jul 28, '04 01:36:37PM

Along the same lines, is it possible to prevent a PowerBook from going to sleep when you close the lid? This would be useful, for example, when I have video playing on a separate monitor or TV, and I don't need to have the computer open.



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Switch to login window upon sleep
Authored by: pub3abn on Jul 28, '04 02:24:09PM

According to various reports, running a PB with the lid closed could lead to serious over-heating issues, potentially frying your precious system.



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Switch to login window upon sleep
Authored by: mzarra on Jul 28, '04 08:35:17PM

That may be true on the ibook models but even Apple's own manual that comes with the powerbook describes how to do this. I doubt running a powerbook with the lid closed would damage it. I do it fairly often and have had no adverse effects over the past year.

The answer is simple. Connect an external mouse or keyboard to the powerbook, let it go to sleep then either move the mouse or touch the keyboard and the powerbook will wake back up. Naturally you want a monitor connected as well :)



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Switch to login window upon sleep
Authored by: MattHaffner on Jul 29, '04 12:21:45AM

Heat problems are an issue only for the PB G3, IIRC.

For a PB G4, that's only a problem if you run it with the lid closed and the screen *on*. There are some hacks to do this (e.g. KisMAC), but it's not a good idea.

As the poster above notes, PowerBook G4's were designed to run without the lid open if you have an external monitor, keyboard and/or mouse, and the power cord all attached. See KB #88064 for example.



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Switch to login window upon sleep
Authored by: pjw on Jul 28, '04 03:32:41PM

Go search VersionTracker.com for a program called Sleepless that does what you need. But beware of the overheating problem.



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Switch to login window upon sleep
Authored by: PeteVerdon on Aug 15, '04 10:09:56AM

Assuming you have a G4 Powerbook:

1. Read your instruction manual. It explains exactly how to do this.
2. Will everyone please shut up about overheating? Would Apple devote two pages of the manual to closed-lid running if it was likely to damage the machine? This was an issue on older models that dissipated heat from under the keyboard; current Powerbooks use the bottom of the case as a heatsink instead.



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