When not using the battery for a long time, store the battery after charging it to 30-40% of its capacity. This extends the battery life time. 102Chapter 4. Settings and Upgrade Battery Battery Extending the Battery Usage Time Decreasing the LCD Brightness 1 1 Click the Charms menu > Settings > Screen Adjustment icon . 2 2 Adjust the brightness with the screen brightness control bar. The battery life will be extended. Using the power management program This program helps you use the battery more efficiently and supports the power mode optimized for the operating environment. 1 1 Click Charms menu on the Desktop > Settings > Control Panel > Hardware and Sound > Power Options. Alternatively, right-click the power measuring device icon in the notification area of the taskbar and select Power Options. 2 2 If the following screen appears, select one of the modes. 103Chapter 4. Settings and Upgrade Battery Chapter 4. Settings and Upgrade Battery Using the Battery Calibration Function 3 Move to the Boot > Smart Battery Calibration item using the direction keys and press . When charging/discharging the battery repeatedly for a short time only, the battery usage 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 the same by discharging the battery completely using the Battery Calibration function, and then recharging it again. The screen images and terms may differ from actual product depending on the computer model and driver version. 1 1 Disconnect the AC power adapter after turning off the computer. 2 2 Turn the computer back on, and press the F2 key to enter the Setup screen. The Battery Calibration function is activated and the battery is forcefully discharged. To stop the operation, press the button. This operation requires 3~5 hours depending on the battery capacity and the remaining battery charge. Chapter 5. Troubleshooting Recovering/Backing up the Computer (Optional) 105 Reinstalling Windows (Optional) 112 Q&A 115 105Chapter 5. Troubleshooting Recovering/Backing up the Computer (Optional) If a problem occurs with your computer, Recovery (recovery program) allows you to easily restore your computer to the default (factory) settings. Alternatively, you can back up your computer so that you can restore it to your preferred state at any time. Recovery Introduction Recover Back Up Help • Recovery may not be provided or may be a different version depending on the model. • Some functions may differ slightly or be excluded depending on the version. Refer to the program's Help section for more information. • For models whose hard disk or SSD capacity is less than 64 GB, the Recovery program is not provided. • An ODD (CD/DVD drive, etc.) is not supported by the Recovery program. • Since restoring the system deletes all data and user- installed programs saved after your last restore point, it is advisable to back up any important data before restoring your system. Function Description Recover Restores the entire Windows drive. Back Up You can back up your entire Windows drive. 106Chapter 5. Troubleshooting Recovering/Backing up the Computer (Optional) Recovering You can restore the computer settings to the factory default settings if the computer fails to boot up, or if you encounter a serious problem with the computer. 1 1 -If Windows does not start Turn on the computer and press the F4 key several times to enter the Recovery screen. - In the Start screen after the computer boots up Click the bottom-left icon on the Start screen, and click Recovery. 2 2 If the program is running for the first time, you need to agree to the User Agreement. 3 3 If the initial menu screen appears, click Recover. Select a recovery point and click Recover. If you set the User Data Maintenance to ON, the computer is restored while maintaining the current user data. 4 4 Recover is performed based on the screen instructions. If the recover is completed, you can use your computer normally. 107Chapter 5. Troubleshooting Recovering/Backing up the Computer (Optional) 2 2 Click Backup in the Recovery Home screen. Recovering after a Backup Select the drive to save and click Backup. You can recover your computer after you have backed up your computer to a separate drive or external storage device. You cannot select a DVD drive. Backing up 1 1 To back up your computer to an external storage device, connect the external storage device and select the relevant drive. Select the drive to save to. 3 3 The backup process is performed based on the instructions. 108Chapter 5. Troubleshooting Recovering/Backing up the Computer (Optional) Recovering 4 The recover is performed based on the screen instructions. You can use your computer after the recover is completed. You can recover your computer using the backup from the above process. 1 1 If the backup image is saved to an external storage device, connect the ...
