Hello, that was a fast answer *impressed* and even two... David M. Cooke (cookedm@arbutus.physics.mcmaster.ca) schrieb: > On Wed, Sep 18, 2002 at 03:05:44AM +0200, J. Volkmann wrote: > > Hello, > > > > as I use my laptop in classes, I sometimes don't use it for 20 or more > > Minutes. Is there a way to turn the screen off manually perhaps with a > > key shortcut? > > If you turn the screen brightness down to zero with the F1/F2 keys, it > will turn the screen off. > Hmm. Works :-) This should save Power shouldn't it? > > My laptop is an ibook2 with the radeon (2x USB, 700 MHz). > > > > Another thing: Is the ibook able to do a hot-switch of batteries? > > You mean, without being connected to mains? There's only one battery, so > if it isn't getting power from somewhere, it goes off when you remove > it. Considering that you can easily get >4 hours off of one battery, I > haven't found that to be a problem :-) > Even 6 hours can be too less... and if you work really hard with opening documents, doing stuff etc, you don't get the full uptime. Usually I get about 3:50. I just heard that the iBook should be able to survive about 1 minute in sleep mode without an battery, I'll try that. Thanks. mfG Johannes
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