Lenovo E520 ThinkPad Edge E420 special keys, Click Start Control Panel, Volume and mute keys

To toggle the F1-F12 key functionality on the Windows 7 operating system, do either of the following:

•From Control Panel:

1.Click Start ➙ Control Panel.

2.In the icons view, click Keyboard and the Keyboard Properties window is displayed.

3.Configure the key functionality as desired.

•Pressing Fn for four seconds and the ThinkPad Keyboard Properties window is displayed. Then configure the key functionality as desired.

ThinkPad Edge E420 special keys

Your computer has several special keys 1 and 2 . To take advantage of each function, directly press the desired key.

Notes: To use F1-F12 as standard function keys, do either of the following:

•In the keyboard properties window, click the ThinkPad F1-F12 keys tab, select Legacy, and then click OK.

•On the ThinkPad Setup program main menu, select Config ➙ Keyboard/Mouse ➙ Change to F1-F12 keys ➙ Legacy.

Volume and mute keys

To quickly adjust the volume of the sound from your computer, mute the sound entirely, set the microphone to mute, or control the video output from the integrated camera, press one of the following keys.

Speaker mute (F1)

Speaker volume down (F2)

Speaker volume up (F3)

If you mute the sound and then turn off your computer, the sound will remain muted when you turn on your computer again. To turn on the sound, press the Speaker volume up or Speaker volume down keys.

Chapter 2. Using your computer 27