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External devices, Using a USB device, Connecting a USB device

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8 External devices ● Using a USB device ● Using optional external devices Using a USB device Universal Serial Bus (USB) is a hardware interface that can be used to connect an optional external device, such as a USB keyboard, mouse, drive, printer, scanner, or hub. Devices can be connected to the system. Some USB devices may require additional support software, which is usually included with the device. For more information about device-specific software, refer to the manufacturer's instructions. The computer has 3 USB ports, which support USB 1.0, USB 1.1, and USB 2.0 devices. An optional USB hub provides additional USB ports that can be used with the computer. Connecting a USB device CAUTION: To prevent damage to a USB connector, use minimal force to connect a USB device. ▲ To connect a USB device to the computer, connect the USB cable for the device to the USB port. You will hear a sound when the device has been detected. 44 Chapter 8 External devices

Section	Page
Welcome	9
Finding information	9
Getting to know your computer	11
Top	12
TouchPad	12
Lights	12
Button and speakers	14
Keys	15
Right side	16
Left side	17
Display	18
Wireless antennas	19
Bottom	20
Additional hardware	21
Networking	22
Using an Internet service provider (ISP)	23
Identifying wireless and network status icons	24
Creating a wireless connection	24
Turning wireless devices on and off	24
Using the wireless button	24
Using the operating system controls	24
Using a WLAN	24
Connecting to an existing WLAN	25
Setting up a new WLAN	25
Protecting your WLAN	26
Roaming to another network	26
Using Bluetooth wireless devices (select models only)	27
Connecting to a local area network (LAN)	27
Pointing devices and keyboard	29
Using the keyboard	29
Using the TouchPad	31
Setting pointing device preferences	31
Multimedia	32
Using the media activity controls	32
Audio	33
Adjusting the volume	34
Checking your audio functions	34
Webcam (select models only)	34
Video	35
VGA	35
Power management	36
Shutting down the computer	36
Setting power options	37
Using power-saving states	37
Initiating and exiting Suspend	37
Initiating and exiting Hibernation	37
Using the Power icon	38
Using power management	38
Viewing the current power management settings	38
Changing the current power management settings	38
Using battery power	38
Displaying the remaining battery charge	39
Inserting or removing the battery	40
Charging a battery	41
Maximizing battery life	42
Managing low battery levels	42
Identifying low battery levels	42
Resolving a low battery level	43
Resolving a low battery level when external power is available	43
Resolving a low battery level when a charged battery is available	43
Resolving a low battery level when no power source is available	43
Resolving a low battery level when the computer cannot exit Hibernation	43
Conserving battery power	43
Storing a battery	43
Disposing of a used battery	44
Replacing the battery	44
Using external AC power	44
Testing an AC adapter	45
Drives	46
Handling drives	46
Replacing or upgrading the hard drive	47
Removing the hard drive	47
Installing the hard drive	48
Using optical drives (select models only)	50
Identifying the installed optical drive	50
Playing a CD	50
Removing a CD	50
External devices	52
Using a USB device	52
Connecting a USB device	52
Removing a USB device	54
Using optional external devices	54
Using optional external drives	54
Memory modules	55
Security	59
Protecting the computer	59
Using passwords	59
Setting passwords in the operating system	60
Backup and Recovery	61
Performing a system recovery	62
Backing up your information	63
Setup Utility (BIOS)	64
Starting Setup Utility	64
Using Setup Utility	64
Changing the language of Setup Utility	64
Navigating and selecting in Setup Utility	64
Displaying system information	65
Restoring factory default settings in Setup Utility	65
Exiting Setup Utility	65
Troubleshooting and support	66
Troubleshooting	66
The computer is unable to start up	66
The computer screen is blank	66
Software is functioning abnormally	67
The computer is on but not responding	67
The computer is unusually warm	67
An external device is not working	67
The wireless network connection is not working	68
The optical disc tray does not open for removal of a CD	68
The computer does not detect the optical drive	69
A disc does not play	69
A movie is not visible on an external display	69
The process of burning a disc does not begin, or it stops before completion	70
Contacting customer support	70
Labels	71
Routine care	72
Cleaning the display	73
Cleaning the TouchPad and keyboard	74
Specifications	75
Input power	75
Operating environment	75
Electrostatic discharge	77

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External devices

●

Using a USB device

●

Using optional external devices

Using a USB device

Universal Serial Bus (USB) is a hardware interface that can be used to connect an optional external

device, such as a USB keyboard, mouse, drive, printer, scanner, or hub. Devices can be connected to

the system.

Some USB devices may require additional support software, which is usually included with the device.

For more information about device-specific software, refer to the manufacturer's instructions.

The computer has 3 USB ports, which support USB 1.0, USB 1.1, and USB 2.0 devices. An optional

USB hub provides additional USB ports that can be used with the computer.

Connecting a USB device

CAUTION:

To prevent damage to a USB connector, use minimal force to connect a USB device.

▲

To connect a USB device to the computer, connect the USB cable for the device to the USB

port.

You will hear a sound when the device has been detected.

Chapter 8

External devices