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Observations on power managementObservations on power managementPosted Nov 25, 2008 4:28 UTC (Tue) by Richard_J_Neill (subscriber, #23093)In reply to: Observations on power management by jwb Parent article: Observations on power management
> For instance, Ubuntu by default still blacks out the screen for several
> minutes before disabling the backlight, as if this made any type of sense > for today's computers.
Actually, this isn't as daft as it sounds. Apart from the disk, the LCD is the most likely thing to fail in a laptop - whether the backlight dies totally, or just dims or "yellows" over time. CCFL backlight life is hurt by both runtime and number of start-cycles. So, unless battery life is really really at a premium, you want to avoid turning off the backlight when the user is still actually using the machine.
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