Lenovo S400U manual „ Checking battery status, „ Charging the battery, „ Removing the battery pack

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Chapter 2. Learning the basics

Using AC adapter and battery ----------------------------------------------------------

„Checking battery status

You can determine the percentage of battery power remaining by checking the battery icon in the notification area.

Note: As each computer user has different habits and needs, it is difficult to predict how long a battery charge will last. There are two main factors:

•The amount of energy stored in the battery when you commence work.

•The way you use your computer: for example, how often you access the hard disk drive and how bright you make the computer display.

„Charging the battery

When you find that the battery power is low, you need to charge the battery or replace it with a fully charged one.

You need to charge the battery in any of the following situations:

•When you purchase a new battery

•If the battery status indicator starts blinking

•If the battery has not been used for a long time

Note:

•You are advised to insert the battery pack when using your computer to prevent small particles from entering the inside of your computer.

•To increase the life of the battery pack, the computer does not start recharging the battery immediately after it drops from fully charged.

•Charge the battery at a temperature between 50 °F and 86 °F (10 °C-30 °C).

•Full charge or discharge is not required.

„Removing the battery pack

If you are not going to use the computer for an extended period of time, or if you need to send your computer to Lenovo for service, etc. remove the battery pack from the computer. Before removing the battery pack, make sure the computer has been shut down.

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Contents Lenovo IdeaPad S300/S400/S400u/S405 Regulatory Notice Second Edition August Copyright Lenovo Contents Page Getting to know your computer Top viewGetting to know your computer Integrated TouchpadLeft-side view Fan louversRJ-45 port Hdmi portRight-side view JackUSB 2.0 port Front view Bottom view „ Connecting to the power Learning the basics„ Reading the manuals „ Turning on the computer„ Checking battery status „ Charging the battery„ Removing the battery pack „ Handling the battery Using the touchpad Left-click areaRight-click area Hotkeys „ Setting hotkey mode „ Using memory cards not supplied Connecting external devicesInserting a memory card Removing a memory card„ Connecting USB devices „ Connecting Bluetooth enabled devices on select models Enabling Bluetooth communications on your computer„ Novo button a Special keys and buttonsSystem status indicators Power status indicator Battery status indicatorLearning the basics Symbol Indicator Meaning Status „ Using VeriFace Securing your computerConfiguring the operating system for the first time Starting to use WindowsStart screen Desktop Search charm Starting to use WindowsCharms Settings charm Share charmStart charm Devices charm„ Putting your computer to sleep „ Shutting down the computer Help and support Connecting to the Internet Wired connection„ Hardware connection Cable „ Software configuration Connecting to the InternetWireless connection Wi-Fi WiMAX„ Connecting to wireless LAN Enabling wireless connectionConnecting to a wireless network Lenovo OneKey Recovery system „ Backing up the system partition„ Restoring Troubleshooting „ Drivers and preinstalled softwareFrequently asked questions „ Finding information„ Lenovo OneKey Recovery system „ Bios setup utilityTroubleshooting When do I need to change the boot mode? „ Getting helpTroubleshooting Display problemsTroubleshooting Bios password problems Sleep problemsDisplay panel problems WorkTroubleshooting Sound problems Battery problemsHard disk drive problem Troubleshooting Other problems RespondTrademarks Page V2.0en-US
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