save your laptop’s battery for a longer time
Speaking for myself, I don’t find hibernation all that useful; in fact, I find it sometimes presents
problems with some of the utilities I use, including antivirus software, Internet pop-up blockers,
and the like. I use standby if I know I won’t use my laptop for 20 minutes or so, but I do so
only after saving any data to the hard disk. The fact is that modern laptops come to life pretty
quickly from a complete shutdown.
Nearly all current laptops also offer the opportunity to customize the demands on the battery to
meet your particular patterns of use. Under Windows XP, you find an icon called Power Options
on the Control Panel. Note, though, that many major laptop manufacturers install their own
control utilities; be sure to consult your instruction manual and be sure to use the appropriate
control program. For example, current Toshiba laptops use that brand’s Power Management
Utility, which includes a wide range of custom settings. You can instruct the system to provide
full brightness to the LCD when running on the battery, or to dim it slightly to save power.
In the Toshiba system you can choose from among Long Life (the most economical use of
battery power at the tradeoff of speed and performance), Normal, High Power (delivering the
brightest screen and the fastest CPU performance), and DVD PlayBack (which powers the
screen and DVD player at full performance and turns off screensaver and auto shutdown utilities
that might come on during a long movie).
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