The purpose of this method is to change the brightness level temporarily. On Windows Vista, the default brightness level is loaded after sleep (standby), hibernation, reboot, or detaching or attaching an ac power adapter. To change the default brightness level, change the settings of the Power Option in the Control Panel or use Power Manager.

•Fn+Spacebar: Enable the FullScreen Magnifier function.

•Fn+F2: Lock your computer.

•Fn+F8: Change the settings of the UltraNav pointing device.

•Fn+PrtSc: Have the same function as the SysRq key.

•Fn+ScrLk: Enable or disable the numeric keypad. The indicator of numeric lock is displayed on the screen.

•Fn+Pause: Have the same function as the Break key.

•Fn+cursor keys: These key combinations are for use with Windows Media Player. They have the following functions:

–Fn + down arrow key: Play or Pause

–Fn + up arrow key: Stop

–Fn + right arrow key: Next Track

–Fn + left arrow key: Previous Track

Volume and mute buttons

You can adjust the sound level of the built-in speakers by using the following three buttons:

1

2

3

Speaker mute button Volume control button Microphone mute

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 plus (+) or minus (-) button.

36User Guide

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Lenovo 4242X04, NVS-4200M, 42825BU manual Volume and mute buttons, Speaker mute button Volume control button Microphone mute
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4242X04, NVS-4200M, 42421A0, 42825BU specifications

Lenovo offers a diverse range of products tailored to meet the needs of professionals and consumers alike. Among them, models such as the Lenovo 42825BU, 42421A0, and 4242X04 stand out with impressive specifications that cater to various use cases.

The Lenovo 42825BU is an excellent choice for those seeking a dependable laptop for general productivity tasks. Powered by the latest generation Intel Core processor, it ensures smooth performance whether you're working on spreadsheets, attending virtual meetings, or browsing the web. One of its standout features is the high-resolution display that delivers vivid colors and sharp images, making it perfect for graphic design work or watching videos. Furthermore, the device includes ample RAM, allowing for multitasking without lag and enhancing overall efficiency.

Next in line, the Lenovo 42421A0 offers enhanced processing power and graphics performance thanks to the inclusion of the NVIDIA NVS-4200M graphics card. This feature is particularly beneficial for professionals who require a workstation that can handle demanding graphical applications such as video editing and 3D modeling. The NVS-4200M provides excellent visual output, ensuring that users can work with advanced graphics tools without compromising performance.

The 4242X04 model takes portability to another level without sacrificing power, making it ideal for on-the-go professionals. With a lightweight design and long battery life, it allows users to work from anywhere without the constant need for a power source. Coupled with fast charging technology, users can quickly recharge their devices during breaks, ensuring minimal downtime.

All these Lenovo models are built with reliability and durability in mind, often featuring robust chassis that can endure daily wear and tear. Additionally, they incorporate various security features including biometric login options, enabling safe and secure access to sensitive data.

In summary, the Lenovo 42825BU, 42421A0, and 4242X04 laptops are designed to meet the demands of a diverse user base. With powerful processing capabilities, impressive graphics performance, and features designed for portability and durability, these models are well-suited for both professional and personal use.
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