Setting the volume from the desktop

The desktop volume control is accessible through the volume icon in the taskbar, which is located at the bottom-right corner of the Windows desktop. Click the volume icon and move the slider up or down to control the volume, or click the Mute icon to turn the audio off. If the volume icon is not in the taskbar, see “Adding the volume icon to the taskbar” on page 17.

Adding the volume icon to the taskbar

To add the volume icon to the taskbar on the Windows 7 operating system, do the following:

1.From the Windows desktop, click Start ➙ Control Panel ➙ Appearance and Personalization.

2.In the Taskbar and Start Menu topic, click Customize icons on the taskbar.

3.Click Turn system icons on or off and change the volume behaviors from Off to On.

4.Click OK to save the new settings.

Setting the volume from Control Panel

You can set the computer volume from Control Panel. To set the computer volume from Control Panel, do the following:

1.From the Windows desktop, click Start ➙ Control Panel ➙ Hardware and Sound.

2.In the Sound topic, click Adjust system volume.

3.Move the sliders up or down to raise or lower the volume of your computer.

Using CDs and DVDs

Your computer might have a DVD ROM drive or recordable DVD drive installed. DVD drives use industry-standard, 12 cm (4.75-inch) CD media or DVD media. If your computer comes with a DVD drive, the drive can read DVD-ROM discs, DVD-R discs, DVD-RAM discs, DVD-RW discs, and all types of CDs, such as CD-ROM discs, CD-RW discs, CD-R discs, and audio CDs. If you have a recordable DVD drive, it can also record on DVD-R discs, DVD-RW discs, type II DVD-RAM discs, CD-RW standard and high speed discs, and CD-R discs.

Follow these guidelines when using the DVD drive:

•Do not place the computer in a location where the drive is exposed to the following:

–High temperature

–High humidity

–Excessive dust

–Excessive vibration or sudden shock

–An inclined surface

–Direct sunlight

•Do not insert any object other than a CD or DVD into the drive.

•Before moving the computer, remove the CD or DVD from the drive.

Handling and storing CD and DVD media

CD and DVD media are durable and reliable, but they do require some care and special handling. When handling and storing a CD or DVD, follow these guidelines:

• Hold the disc by its edges. Do not touch the surface of the side that is not labeled.

Chapter 2. Using your computer 17

4229, 4223, 4228 specifications

Lenovo has long been recognized for its commitment to producing high-quality computing solutions, and the ThinkPad line is no exception. Among its various models, the Lenovo ThinkPad series 4228, 4223, and 4229 stand out for their robust features and reliable performance, making them ideal choices for business and professional use.

The Lenovo ThinkPad 4228 series is engineered with a focus on durability and performance. One of its key features is the powerful Intel Core processor range, which ensures that users can manage demanding applications and multitask efficiently. Alongside this, the device typically comes equipped with ample RAM, providing speed and responsiveness that enhances productivity.

Moving to the ThinkPad 4223, it streamlines user experience with advanced connectivity options. The inclusion of multiple USB ports, HDMI, and Ethernet capabilities allows for seamless integration with various devices and networks. The 4223 model often houses a backlit keyboard, enabling users to work effortlessly in low-light environments. This model puts a strong emphasis on portability, making it a reliable companion for professionals on the move.

The ThinkPad 4229 takes connectivity a step further by offering options like Wi-Fi 6 and Bluetooth, ensuring fast and stable connections whether in the office or on the go. This model is often equipped with a higher resolution display, contributing to a better viewing experience for video conferencing and presentations. Its extended battery life is a notable feature, allowing users to remain productive without the constant need for recharging.

All three models in the 422x series boast Lenovo’s robust security features, including fingerprint readers and TPM (Trusted Platform Module), which safeguard sensitive data against unauthorized access. Furthermore, the reputation of Lenovo ThinkPads for their exceptional keyboard layout ensures that users can type comfortably over extended periods, reducing strain and increasing efficiency.

In summary, the Lenovo ThinkPad 4228, 4223, and 4229 models represent a blend of power, durability, and user-friendly design. With their focus on connectivity, performance, and security, these laptops cater perfectly to the needs of professionals and businesses, confirming Lenovo's status as a leading manufacturer in the world of computing technology. Whether you need a rugged workhorse for heavy tasks or a portable device for meetings, the ThinkPad series provides versatile solutions to meet any requirement.

Lenovo 4229, 4223, 4228 Setting the volume from the desktop, Setting the volume from Control Panel

Models: 4229 4223 4228