Compaq Presario 305 Maintenance & Service Manual page 39

Compaq.com Compaq Presario Maintenance and Service Guide - 305
from a cold start) slide and hold down the Power Switch for at least four seconds, which will cause a
manual shutdown. Then, restart it with a single slide of the Power Switch. If it still doesn't recover, slide
the Power Switch and hold it for four seconds to shut it down, then, remove the battery or unplug the
AC power for at least 30 seconds. Reinsert the battery or reconnect AC power and slide the Power
Switch once to reboot.
Battery Operating Time
Battery operating time is affected by variables, such as the following:
For more information on increasing battery pack operating time, conditioning the battery pack, and
disposing of a used battery pack, refer to the
1.800.AT.COMPAQ
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Power conservation settings
Hardware configuration
Software applications
Installed options
Display brightness
Hard drive usage
Power button
Changes in operating temperature
Type and number of installed PC Cards
Battery Pack Operations.