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 key.

Microphone mute (F4)

Press the microphone mute key to mute or unmute all of the recording devices.

Launching the camera and audio settings (F5)

If you press F5, the camera and audio settings window is opened and the camera preview is turned on. From this window, you can change the camera and audio settings.

Display management keys

Switching the display output location (F6)

Press this key to switch between the computer display and an external monitor. The following options will be displayed:

•Computer display only (LCD)

•Computer display and external monitor (same image)

•Computer display and external monitor (the Extend desktop function)

•External monitor only

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

Display brightness down (F7)

When you press this key, the computer display becomes dimmer. The purpose of this method is to change the brightness level temporarily. To change the default brightness level, use the Power Manager program, or go into Control Panel ➙ Performance and Maintenance ➙ Power Options and make changes as desired.

Display brightness up (F8)

When you press this key, the computer display becomes brighter. The purpose of this method is to change the brightness level temporarily. To change the default brightness level, use the Power Manager program, or go into Control Panel ➙ Performance and Maintenance ➙ Power Options and make changes as desired.

Wireless radio control key (F9)

Press this key to enable or disable the built-in wireless networking features. When you press this key, a list of wireless features is displayed. You can quickly change the state of each feature on the list.

Notes: If you want to use this button to enable or disable the wireless features, the following device drivers must be installed on your computer beforehand:

•Power Management driver

•OnScreen Display Utility

•Wireless device drivers

For detailed information on the wireless features, refer to “Wireless connections” on page 33.

Multimedia controls

• F10: Previous track/scene

24User Guide

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Lenovo 3259AD9, 336655U manual F10 Previous track/scene
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3259AD9, 336655U specifications

The Lenovo 336655U and 3259AD9 are distinguished models within Lenovo's extensive portfolio, specifically designed to cater to the needs of both professionals and everyday users. These devices combine cutting-edge technology with user-friendly features, ensuring a seamless experience for various tasks, from everyday computing to more intensive applications.

Starting with the Lenovo 336655U, this model is powered by Intel’s reputable Core i5 processor, providing a perfect blend of performance and efficiency. With a base clock speed of 2.4 GHz, the processor can handle multitasking with ease, allowing users to run multiple applications simultaneously without a hitch. The device is equipped with 8GB of RAM, which supports smooth performance for applications ranging from productivity software to creative tools. Storage is provided by a 256GB SSD, which not only offers ample space for documents, multimedia files, and programs but also ensures faster boot times and data access compared to traditional hard drives.

On the other hand, the Lenovo 3259AD9 is tailored for users who need reliable performance in a compact design. It features an AMD Ryzen 5 processor, a powerful alternative that provides exceptional performance for both demanding tasks and light usage scenarios. With integrated Radeon graphics, the device supports casual gaming and video streaming with ease. Similar to its counterpart, the 3259AD9 comes with 8GB RAM and a 256GB SSD, ensuring a speedy and efficient computing experience.

Both models prioritize connectivity, featuring multiple USB ports, HDMI output, and an Ethernet port. This ensures compatibility with various peripherals and external displays. Furthermore, the inclusion of Bluetooth technology allows for convenient wireless connections to headphones, keyboards, and mice, enhancing flexibility for users on the move.

Display quality is also a focal point in these Lenovo models. The Lenovo 336655U sports a 15.6-inch Full HD display, offering vibrant colors and sharp detail, perfect for media consumption and professional work. The Lenovo 3259AD9 boasts a similar screen size and resolution, making both devices suitable for graphic design as well as everyday tasks.

In terms of battery life, both models are designed to last through a full workday, enabling users to work efficiently without the constant need for charging. Their sleek and lightweight designs make them highly portable, catering to professionals and students alike.

In conclusion, the Lenovo 336655U and 3259AD9 stand out as reliable, efficient, and versatile machines. Whether for professional work, educational purposes, or everyday use, these models embody Lenovo’s commitment to quality and performance in the dynamic world of computing.
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