Lenovo B40 70 Laptop User Guide

Chapter 1. Getting to know your computer
5
Function key combinations
To use the function key combinations, press the Fn key , then press one of 
the function keys .
B40-30/N40-30/B40-70/N40-70/B40-45/N40-45/B40-80/N40-80:
B50-30/B50-30 Touch/B50-70/N50-70/B50-45/N50-45/B50-80/N50-80:
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.
Fn + PgDn:Activate the insert...

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Chapter 1. Getting to know your computer
Left-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
„B40-30/N40-30/B40-70/N40-70/B40-45/N40-45/B50-30/B50-30 
Touch/B50-45/N50-45/B40-80/N40-80
„B50-70/N50-70/B50-80/N50-80
AC power adapter jackConnects the AC power adapter.
Lenovo OneLink 
connector
 
(on select models)
When the AC power...

Chapter 1. Getting to know your computer
7
Ventilation slotsDissipates internal heat.
Attention:
Make sure that none of the ventilation slots are blocked or else overheating of the 
computer may occur.
VGA  por tConnects to external display devices.
RJ-45 portConnects 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.
HDMI portConnects to devices with HDMI input...

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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.
Before disconnecting a USB storage device, make sure your computer has...

Chapter 1. Getting to know your computer
9
„Connecting to a wired network
Wired connections are a reliable and safe way to connect the computer to the 
Internet. 
Hardware connections:
                               
Software configuration
Consult your Internet Service Provider (ISP) for details about how to 
configure your computer.
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...

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Chapter 1. Getting to know your computer
Right-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
„ B40-30/N40-30/B40-70/N40-70/B40-45/N40-45/B40-80/N40-80: 
„ B50-30/B50-30 Touch/B50-70/N50-70/B50-45/N50-45/B50-80/
N50-80: 
Combo audio jackConnects to a headset.
Note: 
•The combo audio jack does not support conventional microphones.
 The...

Chapter 1. Getting to know your computer
11
Kensington lock slotAttach 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.
Note: Before purchasing any security product, verify that it is compatible with this...

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Chapter 1. Getting to know your computer
Front view   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
„System status indicators
The system status indicators show the current status of your computer.
Power and battery status indicator 
•Green: The battery has a charge between 20% and 100% and the AC 
adapter is not connected...

Chapter 1. Getting to know your computer
13
Hard disk drive indicator 
When this indicator is on, the hard disk drive is reading or writing data.
„Using memory cards (not supplied) 
Your computer supports the following types of memory card:
• Secure Digital (SD) card
• Secure Digital High Capacity (SDHC) card
• SD eXtended Capacity (SDXC) card
• MultiMediaCard (MMC)
Inserting a memory card
Slide a memory card in until it clicks into place.
Removing a memory card
1Push the memory card in until you hear a...

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Chapter 1. Getting to know your computer
Bottom view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Battery latch-manualKeeps the battery pack secured in place.
Battery packProvide the power for the computer.
Battery latch-spring loadedKeeps the battery pack secured in place.
Bottom slot coverThe hard disk drive, memory module,...