Lenovo ThinkPad T420 4236 User Manual: Special Keys And Buttons; Thinkvantage Button; Numeric Keypad

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• Also recovery tool is provided on your computer hard disk or solid state drive. For more information,
see Chapter 5 "Recovery overview" on page 103.
Print the following sections and keep them with your computer in case you are unable to access this
online help when necessary.
"Installing a new operating system" on page 169
"Computer stops responding" on page 202
"Power problems" on page 226

Special keys and buttons

Your computer has several special keys and buttons.
ThinkVantage button
The blue ThinkVantage button can help you in many situations when your computer is working normally,
and even when it is not.
When your computer is working normally, press the blue ThinkVantage button to launch the SimpleTap
program (for Windows 7) or the ThinkVantage Productivity Center program (for Windows XP and Windows
Vista).
Note: Depending on the date when your computer was manufactured, your computer might have the
Lenovo ThinkVantage Toolbox program preinstalled instead of the SimpleTap program or the ThinkVantage
Productivity Center program.
You also can use the ThinkVantage button to interrupt the startup sequence of your computer and start the
Rescue and Recovery workspace, which runs independently of the Windows operating system and is hidden
from it. If the Windows operating system is not running properly, the Rescue and Recovery workspace
can help you do the following:
• Get the current system information.
• Rescue a file from your Windows environment or restore back-up files, provided you have made backups
by use of the Rescue and Recovery program.
• Configure your computer or start the ThinkPad Setup.
To access the Rescue and Recovery workspace, turn on the computer; then, while the "To interrupt normal
startup, press the blue ThinkVantage button" message is displayed at the lower-left of the screen, press the
ThinkVantage button. The Rescue and Recovery screen opens. For additional information, see "Using the
Rescue and Recovery workspace" on page 106.
Numeric keypad
The keyboard has keys that, when enabled, work as a 10-key numeric keypad.
To enable or disable the numeric keypad, press and hold Shift or Fn and then press NmLk (ScrLk).
Note: The next drawing shows the locations of the keys that serve as the 10-key numeric keypad. The
locations of these keys are the same on every keyboard, though for computers using different languages,
different characters are printed on the keytops.
.
Chapter 2
Using your computer
27

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This manual also for:

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  • mary Mar 04, 2016 06:21:
    Lenovo t 420 user guide already down loaded but not write cannot read it.