Installing A Secondary Battery; Recalibrating The Battery - Gateway Notebook Hardware Reference Manual

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Installing a secondary battery

Danger of explosion if battery is
incorrectly replaced.
Replace only with a battery specifically
manufactured for your Gateway
notebook. Discard used batteries
according to local hazardous material
The battery used in this device may
present a fire or chemical burn hazard if
mishandled. Do not disassemble, heat
above 212°F (100°C), or incinerate.
Dispose of used battery promptly. Keep
away from children.
If your notebook is connected to AC
power, or if you have a charged main
battery installed, you can change the
secondary battery while the notebook is
turned on. If your notebook is not
plugged into an AC outlet, and you do not
have a charged main battery installed,
you must turn the notebook off while
changing the battery or you will lose any
unsaved data.

Recalibrating the battery

Important
Do not interrupt the battery recalibration
process. If recalibration is interrupted,
you must start the process over again.
Your notebook's modular bay accepts a secondary battery. The secondary
Warning
battery charges when the notebook is connected to AC power.
To install a secondary battery:
Swap the secondary battery for a bay module by following the instructions
■
regulations.
in "Changing modules" on page
Caution
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:
Connect the AC adapter, then turn on your notebook.
1
As soon as it starts and you see a startup screen, press F2. The BIOS Setup
2
utility opens.
Open the Advanced menu.
3
Highlight Battery Auto Learning, then select Enabled by pressing the
4
spacebar.
Open the Exit menu, then highlight Exit Saving Changes and press E
5
Select Yes, then press E
6
The battery recalibration process begins and a screen opens showing you
the progress. The entire process will take several hours.
When the recalibration has finished, the message "Press [Esc] key to exit"
appears.
Press E
7
charge. If the battery charge indicator does not show an accurate charge,
contact Gateway Customer Care at www.gateway.com.
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. The battery charge indicator now displays an accurate battery
SC
Recalibrating the battery
23.
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