Lenovo L520, L421, L420 manual Fn key combinations, Key combination Description

Models: L420 L520 L421

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Chapter 6. Fn key combinations

The following table shows the function of each combination of Fn with a function key.

Table 7. Fn key combinations

Key combination

Description

Fn+F1

Reserved.

 

 

Fn+F2

Lock the computer.

 

 

Fn+F3

Select a power plan (in Windows XP, power scheme) that has been created by Power Manager,

 

or adjust the power level by using the slider control. When you press this combination, a

 

panel for selecting a power plan (power scheme) appears.

 

Notes:

 

1.

To use the Fn+F3 key combination, you must have the ThinkPad PM device driver

 

 

installed on the computer.

 

2.

If you have logged on with an administrator user ID in Windows XP, and you press Fn+F3,

 

 

the window for selecting a power scheme appears. If you have logged on with another

 

 

user ID in Windows XP, and you press Fn+F3, the window does not appear.

 

3.

You cannot turn off the computer display by pressing Fn+F3.

 

 

Fn+F4

Put the computer in sleep (standby) mode. To return to normal operation, press the Fn key

 

only, without pressing a function key.

 

Notes:

 

 

1. To use the Fn+F4 key combination, you must have the ThinkPad PM device driver

 

 

installed on the computer.

 

 

2. If you want to use the combination to put the computer into hibernation mode or

 

 

do-nothing mode (in Windows XP, shut the computer down or show the panel for turning

 

 

off the computer), change the settings in the Power Manager.

 

 

Fn+F5

Enable or disable the built-in wireless networking features and the Bluetooth features. If you

 

press Fn+F5, a list of wireless features is displayed. You can quickly change the power state

 

of each feature in the list.

 

Notes: If you want to use Fn+F5 to enable the feature specified in IEEE standard 802.11, the

 

following device drivers must be installed on the computer beforehand:

 

• ThinkPad Power Management driver

 

OnScreen Display Utility

 

Wireless device drivers

 

 

Fn+F6

Change the camera settings and the setting of the microphone mute button. When you press

 

Fn+F6, the camera setting window is opened.

 

Note: For Windows XP models, the setting of the microphone mute button cannot be changed.

© Copyright Lenovo 2011

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Lenovo L520, L421, L420 manual Fn key combinations, Key combination Description

L420, L520, L421 specifications

The Lenovo L421, L520, and L420 are part of Lenovo's ThinkPad series, which is known for its reliability, durability, and performance. These models are designed primarily for business professionals and students, providing a blend of functionality and portability tailored for everyday computing.

The Lenovo L421 is equipped with the second-generation Intel Core processors, which enhance its performance and efficiency. It features a 14-inch LED backlit display, offering sharp visuals and sufficient screen real estate for multitasking. The L421 also sports a spill-resistant keyboard, ensuring that accidental spills do not affect the device's functionality. This model supports up to 8GB of RAM and incorporates various connectivity options, including USB 3.0 ports, HDMI, and an SD card reader, which makes it versatile for various peripherals.

The L520 is another solid offering from Lenovo, featuring a slightly larger 15.6-inch display for increased productivity. It shares many characteristics with the L421, such as the use of Intel’s second-generation processors. The L520 also emphasizes security with features like a fingerprint reader and a Trusted Platform Module (TPM) for data encryption, appealing to businesses that require stringent security measures. Its ExpressCard and docking station compatibility add flexibility, allowing users to tailor their setups according to their needs.

The L420, like its siblings, comes with an emphasis on performance and utility. With a 14-inch HD display, it offers vibrant visuals. The L420 also benefits from Lenovo's legendary keyboard design, which ensures a comfortable typing experience. This model is geared for users who require a balance between performance and portability without compromising on essential features. The same Intel Core processors and security features are incorporated, ensuring a reliable experience for professional applications.

All three models feature Lenovo's innovative Power Management technology, which optimizes battery life, allowing users to work longer hours without needing to recharge. Additionally, they are built with robust materials that ensure longevity, making them suitable for both office and on-the-go environments.

Overall, the Lenovo L421, L420, and L520 exemplify the ThinkPad series' commitment to performance, security, and durability, making them excellent choices for anyone looking for reliable laptops for professional use.