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To refer to them, go to http: Battery recycling information for Taiwan.. This information can help you safely use your notebook personal computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Lenovo Limited Warranty. Customer safety is important.
Our products are developed to be safe and effective. However, personal computers are electronic devices. If you notice these conditions with a product such as an extension cord that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement. The power cords shall be safety approved. For other countries, the suitable types shall be used accordingly. Never wrap a power cord around a power adapter or other object.
In addition, many mobile products, such as notebook computers, utilize a rechargeable battery pack to provide system power when in portable mode. Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts.
A battery pack other than the one specified by Lenovo, or a disassembled or modified battery pack is not covered by the warranty. If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid a shock hazard: If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN Numeric keypad for Lenovo B models Use the numeric keypad to input numbers quickly.
Fan louvers The internal fan and louvers enable air to circulate in the computer and cool the central processor. Combo audio jack Optical drive ac power connector USB connectors Combo audio jack To listen to the sound from your computer, connect a headphone or a headset that has a 3. Bottom view Figure 5.
Your computer might look different from the above illustration. Battery latch manual Battery latch spring-loaded Battery Bottom slot cover Battery latch manual Keeps the battery secured in place. Battery Use your computer with battery power whenever ac power is unavailable.
Caps Lock indicator When the indicator is on, the Caps Lock mode is enabled. You can type all alphabetic characters A-Z in upper case directly. Numeric Lock indicator When the indicator is on, the numeric keypad is enabled. A compatible device driver is a requirement to ensure correct operation and performance of each component in your computer. If your computer is preinstalled with an operating system, Lenovo provides all device drivers that you need on the hard disk drive. Where can I download the latest drivers?
The latest drivers for your computer are available from the Lenovo Support Web site. To download the latest drivers for your computer, go to http: Then follow the instructions on the screen. Putting your computer into sleep mode If you will be away from your computer for a short time, put the computer into sleep mode.
Using the ac power adapter The power to run your computer can come either from the lithium-ion battery pack provided with it, or from ac power through the ac power adapter. Do not attempt to disassemble or modify the battery pack.
Attempting to do so can cause an explosion, or liquid leakage from the battery pack. Using the touch pad Figure 8. To move the cursor on the screen, slide your fingertip over the pad in the direction in which you want the cursor to move. The keybaord has keys that can work as a key numeric keypad when enabled. The key numeric keypad is for the following models: Enables or disables the Scroll Lock function.
Has the same function as the SysRq key on a conventional keyboard. This topic provides information about how to connect to the Internet through hardware connection. Your wired connection might look different from the above illustrations. Software configuration Consult your Internet Service Provider and search the Windows Help and Support Center for details on how to configure your computer for wireless connections. Chapter 3 Connecting to the network The following topics provide information about arranging your work area, setting up your computer equipment, and establishing healthy work habits.
Lenovo is committed to providing the latest information and technology to our customers with disabilities. Refer to our accessibility information which outlines our efforts in this area.
The visual display screens of Lenovo notebook computers are designed to meet the highest standards and to provide you with clear, crisp images and large, bright displays that are easy to see, yet easy on the eyes. For more information about how to set the password, refer to the online help information system on the right screen of the BIOS. When the Lenovo logo is displayed, press the recovery button and then follow the on-screen instructions to start the Product Recovery program.
If you are unable to access the OneKey Recovery Pro workspace or the Windows environment from a rescue medium or recovery medium, you might not have the rescue device an internal hard disk drive, a disc, a USB hard disk drive, or other external devices set as the first boot device in the startup device sequence. For more information about the recovery solutions provided on your computer, refer to the online help information system of the Windows 8 operating system.
Chapter 6 Recovery overview Before you start, print these instructions. Your computer might look different from the illustrations in this topic. This system does not support batteries that are not genuine Lenovo-made or authorized.
The system will continue to boot, but may not charge unauthorized batteries. To avoid possible injury: If the backup battery is incorrectly replaced, there is danger of an explosion. The backup battery contains a small amount of harmful substances. Install a new backup battery.
Reinstall the computer cover, and then reinstall the screws. Turn the computer over again. Connect the ac power adapter and all cables. Replacing the hard disk drive Before you start, print these instructions. Remove the hard disk drive by lifting the tab 7. Slide a new hard disk drive firmly into place, and then reinstall the screw to secure the drive.
Reinstall the computer cover, and then reinstall the screws to secure the cover. Remove the screws , and then remove the cover 5. If two memory modules are already in the memory slots, press out on the latches on both edges of the socket at the same time , and then remove a memory module to make room for the new one Save the removed memory module for future use.
Pivot the card until you can snap it into place. Then secure the card with the screw. Remove the screw that secures the optical drive.
Insert a screwdriver into the screw hole, and then push the optical drive to remove it. Insert a new optical drive, and then reinstall the screw to secure the drive. Profile your machine at http: Keep up to date for device drivers on other non-Lenovo hardware. You might want to read the device driver information release notes prior to updating for compatibility or known issues. Taking care of your computer Although your computer is designed to function reliably in normal work environments, you need to use common sense in handling it.
By following these important tips, you will get the most use and enjoyment out of your computer. Take care in setting passwords Remember your passwords. If you forget a supervisor or hard disk password, Lenovo authorized service providers will not reset it, and you might have to replace your system board or hard disk drive. Follow the on-screen instructions to register your computer.
Launch the Lenovo Support program. Then click Registration and follow the on-screen instructions to register your computer. Notice for users in U. The battery pack cannot be charged. You cannot charge the battery when it is too hot. If the battery feels hot, remove it from the computer and allow it to cool to room temperature. After it cools, reinstall it and recharge the battery.
If it still cannot be charged, have it serviced. I forgot my password. Do any of the following: Boot Priority Order list.
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This page contains full list of Lenovo Linux available for free download. The drivers in this category is updated weekly, so you can always download the latest Lenovo drivers for Linux here! If you are not sure which one is the exact driver for Lenovo Linux, you can download our automatically drivers installer utility, please click here to download the driver installer. This package installs the software display driver and it can be used only on systems which runs on Linux operating system Note: Driver package for Linux.
Lenovo B490 User Manual
To refer to them, go to http: Battery recycling information for Taiwan.. This information can help you safely use your notebook personal computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Lenovo Limited Warranty. Customer safety is important. Our products are developed to be safe and effective. However, personal computers are electronic devices. If you notice these conditions with a product such as an extension cord that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.