Lenovo L420, L421, L520 manual For Windows Vista and Windows XP

Models: L420 L520 L421

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Table 7. Fn key combinations (continued)

Key combination

Description

Fn+F7

Apply a presentation scheme directly, with no need to start Presentation Director.

 

To disable this function and use the Fn+F7 key combination for switching a display output

 

location, start Presentation Director, and change the settings.

 

Note: If the computer is a Windows 7 model, it does not support presentation schemes, but

 

the Fn+F7 combination is available for switching a display output location.

 

 

 

For Windows 7:

Switch between the computer display and an external monitor. Windows will show these display options:

Computer display only (LCD)

Computer display and external monitor (same image)

Computer display and external monitor (extended desktop)

External monitor only

Note: To switch between the computer display and an external monitor, the Win+P key combination is also available.

For Windows Vista and Windows XP:

Switch between the computer display and an external monitor. If an external monitor is attached, computer output is displayed in the following three patterns by turns:

External monitor (CRT display)

Computer display and external monitor (LCD + CRT display

Computer display (LCD)

Notes:

1.This function is not supported if different desktop images are displayed on the computer display and the external monitor (the Extend desktop function).

2.This function does not work while a DVD movie or a video clip is playing.

 

To enable this function, start Presentation Director, and change the Fn+F7 settings.

 

Note: Multiple users can log on to a single operating system by using different user IDs. Each

 

user needs to change the settings.

 

 

Fn+F8

Change the settings of the UltraNav® pointing device.

Fn+F9

Reserved.

 

 

Fn+F10

Reserved.

 

 

Fn+F11

Reserved.

 

 

Fn+F12

Put the computer into hibernation mode. To return to normal operation, press the power

 

button for less than four seconds.

 

Note: To use Fn+F12 for hibernation, you must have the ThinkPad PM device driver installed

 

on the computer.

 

 

Fn+PgUp

Turn the ThinkLight® on or off.

 

Note: This function is supported only on the ThinkPad Notebooks that have the ThinkLight.

 

The on or off status of the ThinkLight is shown on the screen for a few seconds when you

 

press Fn+PgUp.

 

 

Fn+Home

The computer display becomes brighter.

 

 

Fn+End

The computer display becomes dimmer.

 

 

Fn+Spacebar

Enable the FullScreen Magnifier function.

 

 

Fn+PrtSc

Have the same function as the SysRq key.

50Hardware Maintenance Manual

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Lenovo L420, L421, L520 manual For Windows Vista and Windows XP

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.