Gateway 450rog 450rgh User Manual

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Managing Power
While your notebook is running on battery power, you 
should manage power consumption to get the most use out 
of the battery. Read this chapter to learn how to:
■Check and recharge the battery
■Recalibrate the battery
■Change batteries
■Extend the life of the battery by conserving battery 
power and using alternate power sources
■Change power-saving settings 

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Monitoring the battery charge
Closely monitor the battery charge. When the battery charge gets low, change 
the battery or connect to AC power immediately to prevent losing any unsaved 
work.
To monitor the battery charge:
■Double-click the power cord icon  or battery icon  in the taskbar. The 
Power Meter dialog box opens.
■Press FN+STATUS to view the power status box, which opens in the 
upper-left corner of the screen. The power status box shows the...

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Recharging the battery
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■Press the battery meter buttons on the main battery and optional 
secondary battery. The battery meter lights indicate the percentage of 
battery charge remaining.
■Wait for a Low Battery warning message to appear (appears when the main 
battery and optional secondary battery are low.
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...

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Recalibrating the main or 
secondary 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...

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Changing batteries
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Changing batteries
If your notebook is connected to AC power or if it has a charged secondary 
battery installed, you can change the main battery while the notebook is turned 
on. If your notebook has only one battery and it is not plugged into an AC 
outlet, you must turn the notebook off while changing the battery.
Replacing the main battery
WarningDanger of explosion if battery is incorrectly replaced.
Replace only with a Gateway 450ROG or 
Gateway 450RGH...

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To replace the main battery:
1If your notebook is on and is connected to AC power or has a charged 
secondary battery installed, go to Step 2.
-OR-
If your notebook is on, is not plugged into an AC outlet, and does not 
have a charged secondary battery installed, save your work and turn off 
the notebook.
2Close the LCD panel.
3Disconnect your notebook from the optional port replicator (see 
“Disconnecting from the port replicator” on page 249).
4Turn your...

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Changing batteries
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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.
9Reattach the optional port replicator.
10Open the LCD panel and press the power button. 

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Installing a secondary battery
Your notebook’s modular bay accepts a secondary battery. The secondary 
battery charges when the notebook is connected to AC power.
To install a secondary battery:
1If you are removing a disc drive, diskette drive, or a memory card reader, 
make sure that the module is empty.
2Make sure that your notebook is off (not in Standby or Hibernate mode).
3Close the LCD panel.
4Disconnect your notebook from the optional port replicator...

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6Slide and hold the bay module latch closest to the back of the notebook.
7Slide the other bay module release latch. The module moves out slightly.
8Slide the bay module out. 

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9Firmly push the secondary battery straight into the bay until the latches 
click into place.
10Turn your notebook over.
11Reattach the optional port replicator.
12Open the LCD panel and press the power button.