Table 8. Fn key combinations (continued)

Key combination

Description

Fn+F7

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 function)

 

• 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:

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

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

•As for ThinkPad W520 models, the CRT connector does not work in the DOS environment at NVIDIA Optimus mode or Integrated Graphics mode, you need to change to Discrete Graphics mode to turn on the CRT monitor. If there is no display to change the ThinkPad Setup setting, press F7 to switch to the Discrete Graphics mode right after power-on.

 

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

 

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

 

user needs to do the following: Click Start ➙ All Programs ➙ ThinkVantage ➙ Presentation

 

Director, and change the Fn+F7 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.

 

Notes:

 

To use this combination of the keys, ThinkPad PM device driver must have been installed

 

on the computer.

 

Though the screen fades out immediately after Fn+F12 are pressed, the computer

 

does not enter the hibernation mode immediately. Do not move the system until the

 

sleep (standby) status indicator stops blinking. Moving the computer when it is entering

 

hibernation might cause corruption of the hard disk drive.

 

 

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.

52ThinkPad T520, T520i, and W520 Hardware Maintenance Manual

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Lenovo 4284WW9PC10B371, W520, T520i manual For Windows Vista and Windows XP
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T520, W520, 4284WW9PC10B371, T520i specifications

The Lenovo T520i is a robust business laptop that caters to professionals seeking reliability and performance. Part of Lenovo's ThinkPad series, specifically the model number 4284WW9PC10B371, it is designed for multitasking efficiency and mobility.

One of the defining features of the T520i is its impressive performance capabilities. It is equipped with Intel's second-generation Core processors, ranging from i5 to i7, which provide ample power for demanding applications and multitasking scenarios. This model supports up to 16GB of RAM, ensuring smooth operation even with multiple applications running simultaneously.

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In conclusion, the Lenovo T520i, with its powerful processors, impressive display options, and rugged design, is a capable choice for professionals who require a reliable, high-performance laptop. Ideal for both business and personal use, it exemplifies Lenovo’s commitment to quality and innovation in the laptop market.
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