Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell™, the DELL™ logo, and Dell Precision™ are trademarks of Dell Inc.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc.
disclaims any proprietary interest in trademarks and trade names other than its own.
April 2012 Rev. A00
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Keyboard Backlight And Hot Keys
Keyboard BacklightKeyboard Hot KeysHot Key IconsSystem Notification Messages
Keyboard Backlight
NOTE: The keyboard backlight option is available only in certain computers.
Enabling this feature provides a backlight on the keyboard, while the computer is in use. This feature allows you to
enable/disable the keyboard backlight, specify the duration the backlight is enabled, and when the backlight activates.
Keyboard Hot Keys
NOTE: The keyboard hot keys option is available only in certain computers.
Hot keys are keyboard shortcuts that are activated by pressing a combination of <Fn> and a designated character on your
keyboard.
Hot keys can be used to:
control computer features (for example, to turn the notebook display off and on)
Hot Key Icons
Hot Key Icons appear on your desktop or the system tray when the combination of function key (Fn) and any other key is
used. For example when the Fn+ Up Arrow combination is used an icon will pop-up to notify the changes made to the
brightness of the display.
NOTE: The Hot Key Icons available on your computer may be different depending on your computer's hardware
configuration.
The following table lists the Hot Key Icons:
IconDescription
Keyboard's backlight is Off.
Keyboard's backlight is glowing at 25%
capacity.
Keyboard's backlight is glowing at 50%
capacity.
Keyboards backlight is glowing at 75%
capacity.
Keyboards backlight is glowing at full
capacity.
The Ambient Light Sensor is enabled.
NOTE: Even if the notification icon
appears, the Ambient Light Sensor will
not function if it is disabled or not present
in the Control Panel. To enable the
Ambient Light Sensor, open Control
Panel → All Control Panel Items →
Location and Other Sensors.
The Ambient Light Sensor is disabled.
The computer's speakers are enabled. The
icon will animate when the volume is
increased or decreased.
The computer's speakers are disabled.
The display's brightness is being
increased.
The display's brightness is being reduced.
The wireless devices in your computer like
Bluetooth, Wi-FI, WWAN, and WPAN are
enabled.
The wireless devices in your computer like
Bluetooth, Wi-FI, WWAN, and WPAN are
disabled.
The battery has been completely charged
and the computer is running on AC
power.
The battery is charging.
System Notification messages
The computer will display a System Notification message when it detects use of adapters which are:
non-Dell branded
incorrect type
of insufficient wattage to charge the battery.
Visit our website support.dell.com for further troubleshooting tips or to contact Dell technical support.
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Battery Health And Dell Enhanced Performance Plans
Battery Health
Battery Health User InterfaceSupport for Multiple BatteriesPolicy Management
Dell Enhanced Performance Plans
Battery Health
NOTE: The battery operating time (the time the battery can hold a charge) decreases over time. Depending on how
often the battery is used and the conditions under which it is used, you may need to purchase a new battery during the
life of your computer.
The Dell Battery Information denotes the health of your primary and secondary (if installed) battery. A green status indicator
denotes there are no problems, while yellow and red requires your attention.
Additional information like the battery manufacturer and serial number are also displayed depending on the computer's
hardware configuration.
Battery Information User Interface
The Battery Information screen provides the following information to the user :
Title Bar
This section of the screen displays the following details :
Dell Icon with the text battery information alongside it.
Minimize, Close and Help icons.
Main Battery Navigation Section
This section of the screen displays the following details :
Number of batteries detected and the percentage of charge remaining for each battery
Battery Health and Status indicators and an information icon for more details regarding health
Battery Lifespan Settings button
Connection
Manufacturer
Dell Battery
Serial Number
NOTE: Available options vary depending on your computer's configuration.
You can use the keyboard tab key to navigate from one battery to the next and use the enter key to select a highlighted
option. Alternatively, use the mouse and select a battery with a single mouse click.
Battery Health and Status Indicators
The Battery Health for the installed batteries on the computer can be determined by observing the status indicators.
The Battery Health Status indicators can be found in 2 locations on the screen :
Main Battery Navigation section
Battery Heath field
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