Note Power Saving Effect
This shows the relative battery use time for each power mode. The more effective the power saving, the longer the graph will appear.
When Running a Game or Multimedia Application
A game or multimedia application may not work smoothly in Maximum Battery Saving Mode.Using this is recommended when the AC adapter is connected or in Normal or higher modes.
■Turning Off Unnecessary Devices Turning off
Turning off unnecessary devices extends the battery use time.
Select the Start > Control Panel > Performance and Maintenance >
System > Hardware tab and click Device Manager.
■Use Battery Calibration
If you charge/discharge the battery repeatedly for only a short time, the battery use time may be reduced by the difference between the actual battery charge and the remaining charge display. In this case, the actual battery charge and the remaining charge display will be same by discharging the battery completely using the Battery Calibration function, and then recharging it again.
1.Turn off the computer and disconnect the AC power.
2.Turn on the computer and press <F2> to enter into System Setup.
3.Select Smart Battery Calibration in the Boot Menu, and press <Enter> to start.
The Battery Calibration function is activated and the battery is discharged forcibly. This operation requires 3~5 hours depending on the battery capacity and the remaining battery charge.
| Boot Device Priority |
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| Core | [Enabled] | Select system boot |
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| NumLock | [Off] | options |
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| Enable Keypad | [By NumLock] |
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| Summary screen | [Disabled] |
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| PXE OPROM | [Only with F12] |
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| Brightness Mode Control | [Auto] |
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| Wireless Device Control | [Always On] |
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| Smart Battery Calibration |
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4.When the calibration process is complete and the battery is completely discharged, connect the AC power adaptor to fully recharge the battery.
Chapter 5. System Management
