1.Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, make sure you review and follow the electrical safety information provided with your computer. For your safety, do not operate the computer with the cover removed.

2.Run the diagnostic programs to ensure your computer is operating correctly.

3.Reinstall the new hardware option or software following the manufacturer's instructions.

Select the problem your computer is experiencing from the following list:

•“Audio problems” on page 99

•“CD problems” on page 100

•“DVD problems” on page 101

•“Intermittent problems” on page 103

•“Keyboard, mouse, or pointing device problems” on page 103

•“Monitor problems” on page 105

•“Networking problems” on page 106

•“Option problems” on page 109

•“Performance and lockup problems” on page 110

•“Printer problems” on page 112

•“Serial port problems” on page 113

•“Software problems” on page 113

•“USB problems” on page 114

Audio problems

Select your symptom from the following list:

•“No audio in Windows” on page 99

•“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive” on page 100

•“Sound comes from one external speaker only” on page 100

•“No audio in DOS applications or games” on page 100

No audio in Windows

Symptom: No audio in Windows

Actions:

•If you are using powered external speakers that have an On/Off control, verify that the On/Off control is set to the On position and the speaker power cable is connected to a properly grounded, functional ac electrical outlet.

•If your external speakers have a volume control, verify that the volume control is not set too low.

•Double-click the speaker icon in the Windows notification area. A master volume-control window opens. Verify that the Mute settings are not checked and none of the volume settings is set too low.

•Some models have a front audio panel you can use to adjust volume. If you have a front audio panel, verify that the volume is not set too low.

•Verify that your external speakers (and headphones, if used) are connected to the correct audio connector on the computer. Most speaker cables are color-coded to match the connector.

Chapter 10. Troubleshooting and diagnostics 99

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Lenovo 3594, 3668, 967, 900, 3676, 3654, 3629, 3578, 3598, 3664, 3660, 3596, 1271 manual Audio problems, No audio in Windows
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1271, 3664, 3629, 3660, 3654 specifications

Lenovo has established a strong presence in the computing market with a diverse lineup of laptops and desktops, catering to various user needs. Among these, the Lenovo 3676, 3578, 3598, 3594, and 3668 models stand out due to their commendable features and specifications.

The Lenovo 3676 is known for its robust performance capabilities, delivering optimal efficiency through high-performance processors. It typically features AMD Ryzen or Intel Core processors, ensuring smooth multitasking and responsiveness. Users can expect a generous amount of RAM, enhancing the device’s capability to handle demanding applications seamlessly. Its storage options often include SSDs, which significantly improve load times and overall system responsiveness.

The 3578 model is tailored for everyday computing tasks, making it ideal for students and professionals alike. This model usually features a sleek design while providing access to modern connectivity options like USB-C, HDMI, and multiple USB ports. Its display often offers vibrant colors and adequate resolution, making it suitable for both work and multimedia consumption.

Next in line, the Lenovo 3598 stands out with its emphasis on gaming and multimedia. It features dedicated graphics options that elevate gaming experiences and video editing tasks. The thermal management system in the 3598 is designed to maintain optimal performance during intensive usage, which is a significant advantage for gamers and content creators.

The 3594 model offers a balance of price and performance. It is designed for users who seek functionality without compromising on quality. The laptop's ergonomic design, combined with a comfortable keyboard and touchpad, enhances the overall user experience. Furthermore, battery life is often extended in this model, allowing for uninterrupted productivity throughout the day.

Lastly, the Lenovo 3668 appeals to those looking for a versatile family device. With features that support multimedia consumption, light gaming, and casual productivity tasks, it is an ideal choice for households. Its expansive storage options, coupled with a user-friendly interface, make it accessible for users of all ages.

In summary, the Lenovo 3676, 3578, 3598, 3594, and 3668 models each offer unique features tailored to different segments of the market. Whether for gaming, everyday use, or family activities, Lenovo continues to innovate and provide tailored solutions that appeal to a broad audience. With their impressive specifications and robust performance, these models reinforce Lenovo's reputation as a reliable brand in the computing landscape.
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