Lenovo B41/B51/N41/N51 User Guide Read the safety notices and important tips in the included manuals before using your computer.
Notes • Before using the product, be sure to read Lenovo Safety and General Information Guide first. • Some instructions in this guide may assume that you are using Windows® 7 or Windows® 8.1. If you are using other Windows operating systems, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you. • The features described in this guide are common to most models.
Lenovo User Guide Instructions and technical information in this manual are applicable to the following Lenovo notebook computers unless otherwise stated.
Contents Chapter 1. Getting to know your computer .......................................... 1 Top view .......................................................................................................................1 Left-side view ..............................................................................................................6 Right-side view..........................................................................................................10 Front view .........................
Chapter 1.
Chapter 1. Getting to know your computer B51-35/B51-30/N51-35/N51-30 2 1 3 4 5 6 7 8 9 Note: • • The dashed areas indicate parts that are invisible from the outside. The illustrations may differ from the actual product. Please refer to the actual product. Attention: • 2 Do not open the display panel beyond 130 degrees. When closing the display panel, be careful not to leave pens or any other objects in between the display panel and the keyboard. Otherwise, the display panel can be damaged.
Chapter 1. Getting to know your computer a Integrated camera (on select models) Used for video communication or taking photos. b i Built-in microphone (on select models) Used for video conferencing, voice narration, or audio recording. c Wireless antennas (on select models) Connects to a wireless adapter to receive and send wireless radio signals. d Display Provides visual output. e Speakers Provides audio output. f Power button Press this button to turn on the computer.
Chapter 1. Getting to know your computer Using the keyboard Your computer has a numeric keypad, hotkeys, and function keys incorporated in its standard keyboard. Numeric keypad (Applicable for B51/N51 Series) The keyboard has a separate numeric keypad. To enable or disable the keypad, press the Numeric Lock key (Num Lock). Insert PrtSc Delete Home End Pause Break PgUp ScrLk PgDn SysRq Fn Note: The numeric lock indicator is on when the numeric keypad is enabled.
Chapter 1. Getting to know your computer Function key combinations To use the function key combinations, press the Fn key a , then press one of the function keys b . B41-35/B41-30/N41-35/N41-30: 2 1 B51-35/B51-30/N51-35/N51-30: 2 Insert 1 PrtSc Delete Home End Pause Break PgUp ScrLk PgDn SysRq Fn The following is a brief introduction to the function key combinations. Fn + Home: Activate the pause function. Fn + End: Activate the break function. Fn + PgUp: Enable/disable the scroll lock.
Chapter 1. Getting to know your computer Left-side view --------------------------------------------------------------------------------------------------------- B41-35/B41-30/N41-35/N41-30 1 3 4 5 6 7 4 5 6 7 B51-35/B51-30/N51-35/N51-30 1 2 3 a AC power adapter jack Connects the AC power adapter. b Lenovo OneLink connector (on select models) When the AC power adapter is connected to the AC power adapter jack, it provides power to the computer and charges the battery.
Chapter 1. Getting to know your computer c Ventilation slots Dissipates internal heat. Attention: • Make sure that none of the ventilation slots are blocked or else overheating of the computer may occur. d VGA port Connects to external display devices. e RJ-45 port Connects the computer to an Ethernet network. Danger: • To avoid the risk of electrical shock, do not connect a telephone cable to the Ethernet port. You can only connect an Ethernet cable to this port.
Chapter 1. Getting to know your computer Connecting USB devices You can connect a USB device to your computer by inserting its USB plug (Type A) into the USB port on your computer. The first time you plug a USB device into a USB port on your computer, Windows automatically installs a driver for that device. After the driver is installed, you can disconnect and reconnect the device without performing any additional steps.
Chapter 1. Getting to know your computer Connecting to a wired network Wired connections are a reliable and safe way to connect the computer to the Internet. Cable Cable Internet services use a cable modem connected to the residential cable TV line. DSL DSL is a family of related technologies that bring high speed network access to homes and small businesses over ordinary telephone lines.
Chapter 1. Getting to know your computer Right-side view ----------------------------------------------------------------------------------------------------- B41-35/B41-30/N41-35/N41-30: 1 2 3 4 5 B51-35/B51-30/N51-35/N51-30: 1 a 2 3 Combo audio jack 5 4 Connects to a headset. Note: • The combo audio jack does not support conventional microphones. • The recording function might not be supported if third-party headphones or headsets are connected due to different industry standards.
Chapter 1. Getting to know your computer d Kensington lock slot Attach a security lock (not supplied) here to help protect your computer from theft and unauthorized use. You can attach a security lock to your computer to help prevent it from being removed without your permission. For details on installing the security lock, please refer to the instructions shipped with the security lock that you have purchased.
Chapter 1. Getting to know your computer Front view ------------------------------------------------------------------------------------------------------------------ 2 1 a System status indicators For details, see “System status indicators” on page 12. b Memory card slot Accepts memory cards (not supplied). For details, see “Using memory cards (not supplied)” on page 13. System status indicators The system status indicators show the current status of your computer.
Chapter 1. Getting to know your computer Hard disk drive indicator When this indicator is on, the hard disk drive is reading or writing data. Attention: • • When the indicator is on, do not put the computer into sleep mode or turn off the computer. When the indicator is on, do not move the computer. Sudden physical shock might cause hard disk drive errors.
Chapter 1. Getting to know your computer Bottom view -------------------------------------------------------------------------------------------------------------1 2 3 1 2 4 a Battery latch-manual Keeps the battery pack secured in place. b Battery pack Provide the power for the computer. c Battery latch-spring loaded Keeps the battery pack secured in place. d Bottom slot cover The hard disk drive, memory module, and mini-PCI Express Card are placed underneath.
Chapter 2. Learning the basics Configuring the operating system for the first time ---------You need to configure the operating system when it is first used.
Chapter 2. Learning the basics To wake up the computer, do one of the following: • Press the power button. • Press the Fn key on the keyboard. Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer: • For the Windows 7 operating system: Click Start Shut down. • For the Windows 8.1 operating system: Open the charms bar and select Settings down.
Chapter 2. Learning the basics • Right-click the Start button in the lower-left corner and select Shut down or sign out → Shut down. • On the Start screen, click and select Shut down. Note: This operation depends on your BIOS settings. Please refer to the actual product.
Chapter 2. Learning the basics Connecting to a wireless network ----------------------------------------------------- Enabling the wireless connection To connect to a wireless network, do the following: 1 Ensure the airplane mode is turned off. If the airplane mode is turned on, press the hotkey F7 ( ) to turn this mode off. 2 View the available wireless networks. • For the Windows 7 operating system: Click the wireless network connection status icon in the Windows notification area.
Chapter 2. Learning the basics Help and support -------------------------------------------------------------------------------------------------If you have questions about using the Windows operating system, refer to Windows Help and Support. To access Windows Help and Support: • For the Windows 7 operating system: Click Start Help and Support. • For the Windows 8.1 operating system: - Open the charms bar and select Settings, and then select Help on the Settings menu.
Chapter 2. Learning the basics Operating system interfaces (for the Windows 8.1 operating system) ----------------------------------------------------------------------------------------Windows 8.1 comes with two main user interfaces: the Start screen and the Windows desktop. To switch from the Start screen to the Windows desktop, do one of the following: • Select the Desktop tile on the Start screen. • Press the Windows key + D.
Chapter 2. Learning the basics Charms and the charms bar (for the Windows 8.1 operating system) -----------------------------------------------------------------------------------------Charms are navigation buttons that let you access basic tasks quickly. Charms include: Search, Share, Start, Devices, and Settings. The charms bar is the menu that contains the charms.
Chapter 2. Learning the basics Share charm The Share charm lets you send links, photos, and more to your friends and social networks without leaving the app you are in. Start charm The Start charm is a fast way to go to the Start screen. Devices charm The Devices charm allows you to connect or send files to connected external devices, including the devices to play, print, and project.
Chapter 3. Lenovo OneKey Recovery system The Lenovo OneKey Recovery system is software designed to back up and restore your computer. You can use it to restore the system partition to its original status in case of a system failure. You can also create user backups for easy restoration as required. Note: • The OneKey Recovery system is not installed on some models. Please refer to the actual product.
Chapter 3. Lenovo OneKey Recovery system 3 Follow the on-screen instructions to restore the system partition to its original status or to a previously created back-up point. Note: • The recovery process is irreversible. Make sure to back up any data you wish to save on the system partition before starting the recovery process. • The recovery process may take a while. Make sure to connect the AC power adapter to your computer during the recovery process.
Chapter 4. Troubleshooting Frequently asked questions ---------------------------------------------------------------------This section lists frequently asked questions by category. Finding information What safety precautions should I follow when using my computer? The Lenovo Safety and General Information Guide contains safety precautions for using your computer. Read and follow all the precautions when using your computer.
Chapter 4. Troubleshooting Lenovo OneKey Recovery system Where are the recovery discs? Your computer did not come with recovery discs. Use the recovery system if you need to restore the system to its factory status. What can I do if the back-up process fails? If you can start the backup but it fails during the back-up process, try the following steps: 1 Close all open programs, and then restart the back-up process. 2 Check to see if the destination media is damaged.
Chapter 4. Troubleshooting When do I need to change the boot priority? The default boot priorities are UEFI First. If you need to install a legacy operating system (that is, an earlier version than that of your current operating system) on your computer, you will need to change the boot priority to Legacy First. The legacy operating system cannot be installed if you do not change the boot priority. Getting help How can I contact the customer support center? See “Chapter 3.
Chapter 4. Troubleshooting Troubleshooting ---------------------------------------------------------------------------------------------------Display problems 28 When I turn on the computer, nothing appears on the screen. • If the screen is blank, make sure that: - The AC power adapter is connected to the computer, and the power cord is plugged into a working electrical outlet. - The computer power is on. Press the power button again for confirmation.
Chapter 4. Troubleshooting BIOS password problems I forgot my password. • If you forget your user password, you must ask the system administrator to reset your user password. • If you forget your HDD password, a Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service.
Chapter 4. Troubleshooting Sound problems No sound can be heard from the speakers even when the volume is turned up. • Make sure that: - The mute function is off. - The combo audio jack is not used. - The speakers are selected as the playback device. Battery problems Your computer shuts down before the power and battery status indicator shows empty. -orYour computer operates after the power and battery status indicator shows empty. • Reset the battery gauge using OneKey Optimizer.
Chapter 4. Troubleshooting Other problems Your computer does not respond. • To turn off your computer, press and hold the power button for 4 seconds or more. If the computer still does not respond, remove the battery pack and the AC power adapter. • Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network. The computer does not start from a device you want. • See the EFI list of the BIOS setup utility.
Appendix A. CRU instructions Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. If a CRU is determined to be defective during the warranty period, a replacement CRU will be provided to the customer. Customers are responsible for installing the self-service CRUs for this product.
Appendix A. CRU instructions Replacing the battery pack ---------------------------------------------------------------Note: • Use only the battery provided by Lenovo. Any other batteries could ignite or explode. • Make sure the computer is turned off and all the cables disconnected from the computer before you replace the battery pack. • Make sure the computer display is closed to avoid being damaged. To replace the battery pack, do the following: 1 Unlock the manual battery latch a .
Appendix A. CRU instructions Replacing the hard disk drive ------------------------------------------------------You can increase the storage capacity of your computer by replacing the hard disk drive with one of greater capacity. You can purchase a new hard disk drive from your reseller or Lenovo marketing representative. Notes: • Replace the hard disk drive only for upgrading or repair. The connectors and bay of the hard disk drive were not designed for frequent changes or drive swapping.
Appendix A. CRU instructions To replace the hard disk drive, do the following: 1 Remove the battery pack. For details, see “Replacing the battery pack” on page 33. 2 Remove the screws a , and then remove the bottom slot cover b . 1 1 2 3 Remove the frame fixing screws c .
Appendix A. CRU instructions 4 Remove the hard disk drive by gently pulling it in the direction of the arrow d . 4 5 Remove the screws and detach the metal frame from the hard disk drive. 6 Attach the metal frame to a new hard disk drive and tighten the screws. 7 Slide the new hard disk drive firmly into place, and then reinstall the frame fixing screws to secure the drive. 8 Reinstall the bottom slot cover and tighten the screws. 9 Reinstall the battery pack.
Appendix A. CRU instructions Replacing the memory ----------------------------------------------------------------------------You can increase the amount of memory in your computer by installing double data rate three synchronous dynamic random access memory (DDR3 SDRAM)-available as an option-in the memory slot of your computer. DDR3 SDRAM modules are available in various capacities. Note: • Use only the memory types supported by your computer.
Appendix A. CRU instructions 4 If two DDR3 SDRAM modules are already installed in the memory slot, remove one of them to make room for the new one by pulling out on the latches on both edges of the socket at the same time. Be sure to save the old DDR3 SDRAM for future use. 1 1 2 5 Align the notch of the DDR3 SDRAM module with the protrusion of the socket and gently insert the new module at a 30-45° angle.
Appendix A. CRU instructions 8 Reinstall the battery pack. For details, see “Replacing the battery pack” on page 33. To make sure that the DDR3 SDRAM module is installed correctly, do as follows: 1 Press the Novo button to open the Novo button menu. 2 Select the BIOS Setup. The System Memory item shows the total amount of memory installed in your computer.
Appendix A. CRU instructions Replacing the optical drive --------------------------------------------------------------To replace the optical drive, do the following: Note: • Make sure the computer is turned off and all the cables disconnected from the computer before you replace the optical drive. • Make sure the computer display is closed to avoid being damaged. 1 Remove the battery pack. For details, see “Replacing the battery pack” on page 33. 2 Remove the screw a .
Appendix A. CRU instructions 3 Gently pull the optical drive out from its cavity b . 2 4 Insert a new optical drive and tighten the screw to secure the drive. 5 Reinstall the battery pack. For details, see “Replacing the battery pack” on page 33.
Appendix A. CRU instructions Replacing the keyboard -------------------------------------------------------------------------------To replace the keyboard, do the following: Note: • Make sure the computer is turned off and all the cables disconnected from the computer before you replace the keyboard. • Make sure the computer display is closed to avoid being damaged. 1 Remove the battery pack. For details, see “Replacing the battery pack” on page 33. 2 Remove the screws a .
Appendix A. CRU instructions 4 Pull to unsnap the keyboard in the direction as shown by the arrows b c. 3 2 2 5 Lift up the keyboard d and detach the connector in the direction shown by the arrows e f . 4 5 6 6 Reinstall the new keyboard and tighten the screws. 7 Reinstall the battery pack. For details, see “Replacing the battery pack” on page 33.
Appendix A. CRU instructions The following table provides a list of CRUs for your computer, and informs you of where to find replacement instructions.
Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo OneKey VeriFace Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, products, or service names may be trademarks or service marks of others.
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