The battery gauge is only displayed for a few seconds. When using this function, the LCD display may not operate properly. Power Source: Indicates that the computer is Indicates that the computer is powered by the AC adapter. powered by the battery. Battery Level: Indicates the approximate amount of the primary battery charge remaining. You may also determine the charge of your battery by simply pushing the symbol below the word PUSH located on the side of the battery. The green LEDs will illuminate to show you the percentage of charge remaining in the battery. Push 70 Users Manual System Management 71 Battery Warnings If the battery charge is low (about 10%) you have ~ 5–10 minutes of battery life left. You should: • Save your work and, • Connect the power cord to the computer or turn off the computer and install a fully charged battery. You can adjust the battery alarm features by using the operating systems power management program (Start > Control Panel > Power Options in Windows). If you cannot run your computer from the battery and the battery will not charge when you attach the power cord, the problem may be that: • The battery temperature is below 0°C or over 45°C. If you think the battery temperature is too hot or too cold, turn off the computer, remove the battery, and let the battery reach room temperature. Then try charging the battery again. • The battery may be defective, please try running your system from the AC adaptor with the battery removed from the system. Please contact the Samsung helpline if you are unsure. Battery Calibration Calibrating your battery once a month is one of the recommended methods of increasing your computer’s battery life. To calibrate the battery complete the following steps: Calibration Notes: You should start the battery calibration process with a fully charged battery, battery status LED is green. The power meter may not show 100%. Before you commence the battery calibration process you should fully charge, then fully discharge and finally fully recharge the battery again. 1. Disconnect the AC power adapter after turning off the system. 2. Restart your computer and press to enter BIOS setup. 3. Using the arrow keys, highlight Smart Battery Calibration in the Boot menu. 4. Press to start calibration process. The calibration usually takes 3 to 5 hours depending on the current battery charge. 5. When the calibration process is complete, recharge the battery fully. Using the Hard Drive Your computer includes a removable IDE (integrated drive electronics) hard drive. The IDE hard drive can store the data and programs your computer uses. The drive plugs into a connector on the system board. The hard drive that comes with your computer has already been formatted. Do not format the hard drive. Doing so destroys all data contained on the drive. If you need to format a new drive, or want to erase all data on your existing hard drive, refer to the manual for your operating system. Installing/Reinstalling a HDD To install a new HDD you should contact a Service Centre, replacement of the HDD is not a user task. You should follow the instructions below before the HDD is replaced. • Back up data files of your old hard drive. • For system boot with CD-ROM, under the Boot menu in System setup, set Bootable CD Check to Enabled and set Boot Device Priority is ordered starting from the [DVD/CD-ROM]. When you are ready to install the new HDD, use the Recovery CD-ROM to install the device driver. (Re)Installing Windows and Device Drivers Use System Recovery CD to (re)install OS and System Software CD to (re)install device drivers. For details, see “Reinstalling Windows XP” on page 97 and ”Reinstalling Software” on page 95. 72 Users Manual Memory Modules You can increase system memory by installing optional memory modules. To avoid possible system problems, use only approved memory modules in your computer. Please consult the appropriate sections of this manual, Samsung Technical Support, or the support Web site (for additional information. Before You Install Memory To prevent personal injury and damage to the equipment, follow the precautions listed here before installing a memory module. Take the following precautions when installing a memory module: • Before you remove the memory module compartment door, turn off the computer, unplug the power cord, and remove the battery. Also, disconnect any peripheral devices. • Before handling a memory module, discharge any static electricity by touching a grounded surface or using a grounding wrist strap. • Do not insert objects with conductive material, such as metal screwdrivers or graphite pencils, into the memory-module compartment. • Be careful in handling the metal plate of the memory door. System Management 73 Installing a Memory Module Handle a memory module carefully. Hold them only by the edges. To install a memory module: 1. Turn the computer over so that the bottom faces up. 2. Using a screwdriver, r...