Gateway m405 User Manual

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Recharging the battery
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■Pressing the battery meter buttons on the battery. The battery meter lights 
indicate the percentage of battery charge remaining.
■Waiting for a Low Battery warning message to appear.
If your battery charge indicator displays what looks like an inaccurate charge, 
you may need to recalibrate the battery. For more information, see 
“Recalibrating the battery” on page 142.
Recharging the battery
The battery recharges while it is installed and your notebook is...

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Chapter 8: Managing Power
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Recalibrating the battery
If your notebook unexpectedly goes into Standby mode while you are using it 
but the battery charge is not low, you may need to recalibrate your battery. 
You should also recalibrate the battery periodically to maintain the accuracy 
of the battery gauge.
To recalibrate the battery:
1Connect the AC adapter, then turn on your notebook.
2As soon as it starts and you see a startup screen, press F2. The BIOS Setup 
utility opens.
3Open...

143
Changing batteries
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Changing batteries
If your notebook is plugged into an AC outlet, you can change the battery while 
your notebook is turned on. If your notebook is not plugged into an AC outlet, 
you must turn your notebook off while changing the battery.
Replacing the battery
To replace the battery:
1If your notebook is on and is connected to AC power, go to Step 2.
-OR-
If your notebook is on and is not connected to AC power, save your work 
and turn off your notebook.
2Close the...

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Chapter 8: Managing Power
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5Slide the battery release latch.
6Lift the battery out of the bay.
7Place a recharged battery into the bay and press down until it snaps into 
place.
8Turn your notebook over and reattach the optional port replicator.
9Open the LCD panel and press the power button. 

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Extending battery life
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Extending battery life
Conserving battery power
While using the battery to power your notebook, conserve power by:
■Dimming the display as low as is comfortable.
■Removing PC Cards and IBM Microdrive cards when you do not need 
them. Many PC Cards and Microdrive cards use a small amount of power 
while inserted, even if they are not being used.
■Modifying the power management settings for maximum power savings. 
For more information, see “Changing power...

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Chapter 8: Managing Power
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Changing power modes
You can use the following power modes to lengthen the life of your notebook’s 
battery:
■Standby - while your notebook is in Standby, it switches to a low power 
state where devices, such as the display and drives, turn off.
■Hibernate - (also called save to disk) writes all current memory (RAM) 
information to the hard drive, then turns your notebook completely off. 
The next time you turn on your notebook, it reads the memory...

147
Changing power settings
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Changing power settings
You can change the function of the power button, Standby system key, and 
power-saving timers by changing power settings on your notebook. You can 
customize power settings from the Windows Control Panel by selecting power 
schemes, setting power alarms, adjusting advanced power settings, and 
activating Hibernate mode.
Power schemes (groups of power settings) let you change power saving options 
such as when the display or hard drive is...

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Chapter 8: Managing Power
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2Click/Double-click the Power Options or Power Management icon. The Power 
Options Properties dialog box opens.
3Click the arrow button to open the Power Schemes list, then click the power 
scheme you want.
- OR -
Set the timers, then click 
Save As and type a name for the scheme.
4Click OK.
Help and 
SupportFor more information about changing the power scheme 
in Windows XP, click Start, then click Help and Support.
Type the keyword power scheme in the...

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Changing power settings
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Changing alarm options
To change the alarm options:
1In Windows XP, click Start, then click Control Panel. The Control Panel 
window opens. If your Control Panel is in Category View, click 
Performance 
and Maintenance
.
- OR -
In Windows 2000, click 
Start, Settings, then click Control Panel. The Control 
Panel window opens.
2Click/Double-click the Power Options or Power Management icon. The Power 
Options Properties dialog box opens.
3Click the Alarms tab....

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Chapter 8: Managing Power
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Changing advanced settings
To change advanced power management settings:
1In Windows XP, click Start, then click Control Panel. The Control Panel 
window opens. If your Control Panel is in Category View, click 
Performance 
and Maintenance
.
- OR -
In Windows 2000, click 
Start, Settings, then click Control Panel. The Control 
Panel window opens.
2Click/Double-click the Power Options or Power Management icon. The Power 
Options Properties dialog box opens....