shutting off the screen on a laptop

[Gregory Nowak]

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Thanks. The card on the machine in question is a Neomagic magicgraph
128. There is a function key to switch between the lcd, and external
vga port, but that's exactly what it does. If I try it without a
external monitor connected, the lcd just flickers for a second, and
comes back on supposedly.

Greg


On Wed, Mar 15, 2006 at 12:04:02PM -0500, Lorenzo Taylor wrote:
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> Turning off the screen will usually depend on the video card installed
> in the laptop.  I have an ATI Radeon on my laptop, and there is a
> program called radeontool that turns it on and off.  As root, I type:
> 
> radeontool light off
> 
> and it goes off until I reboot.  It makes the battery run much longer.
> Other laptops have a function key that turns the screen on and off, but
> the key varies from one laptop to another.  There should also be similar
> programs to radeontool for other video cards.
> 
> HTH,
> Lorenzo
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