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18 P
RODUCT
D
ESCRIPTION
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Important: The manual shutdown mode is not recommended unless the standard
shutdown mode does not work.
Battery Operating Life
Battery operating life is affected by variables such as:
• Power conservation settings
• Hardware configuration
• Software applications
• Installed options
• Display brightness
• Hard drive usage
• Changes in operating temperature
• Type and number of installed PC Cards
For more information on increasing battery-pack operating time, conditioning the battery
pack, and disposing of a used battery pack, refer to the Battery Operations section in this
Maintenance and Service Guide.
Power-Management Modes
Off Activation Deactivation Indicators
Standard Perform normal
Windows shutdown
using the Start
button on the
Windows taskbar.
Press Power
button once.
Power light is off,
screen is blank.
Manual Press and hold
down the Power
button for
4 seconds.