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 91

•“CD problems” on page 92

•“DVD problems” on page 93

•“Intermittent problems” on page 95

•“Keyboard, mouse, or pointing device problems” on page 95

•“Monitor problems” on page 97

•“Networking problems” on page 98

•“Option problems” on page 101

•“Performance and lockup problems” on page 102

•“Printer problems” on page 104

•“Serial port problems” on page 105

•“Software problems” on page 105

•“USB problems” on page 106

Audio problems

Select your symptom from the following list:

•“No audio in Windows” on page 91

•“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive” on page 92

•“Sound comes from one external speaker only” on page 92

•“No audio in DOS applications or games” on page 92

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 91

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Lenovo 5034, 7517, 5069, 5048, 5030, 5037, 4166, 4169, 268, 1730 manual Audio problems, No audio in Windows
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5048, 5069, 7517, 1730, 4166 specifications

Lenovo has consistently been a frontrunner in the technology landscape, particularly in the realm of laptops and personal computers. Among its diverse product lineup, models such as the Lenovo 5034, 4169, 268, 5030, and 5037 stand out for their robust features and innovative technologies.

The Lenovo 5034 is designed for business professionals and students alike. This model is powered by the latest Intel processors, offering swift performance for multitasking. It features a durable design, making it ideal for on-the-go use. One of its notable characteristics is its long-lasting battery life, allowing users to work for extended periods without needing to recharge. Its full HD display offers vibrant visuals, enhancing productivity during presentations or media consumption.

Next, the Lenovo 4169 targets budget-conscious consumers without compromising on performance. Equipped with an efficient AMD processor, it handles everyday tasks seamlessly. The laptop's lightweight design coupled with an ergonomic keyboard ensures comfort during prolonged use. Additionally, the 4169 incorporates ample storage options, providing users with space for documents, media, and applications.

The Lenovo 268 model is tailored for gamers, featuring discrete NVIDIA graphics that bring games to life with stunning detail. This model is also known for its high refresh rate display, which provides smooth visuals during fast-paced gaming sessions. The cooling technology integrated into the 268 ensures that the laptop remains cool even under heavy load, enhancing overall performance.

The Lenovo 5030, on the other hand, targets creative professionals with its powerful hardware. It comes equipped with a high-end Intel Core i7 processor and sufficient RAM to handle graphic design and video editing software effectively. The 5030's UHD display offers excellent color accuracy, an essential feature for photographers and designers. Moreover, its extensive connectivity options allow users to connect multiple peripherals effortlessly.

Lastly, the Lenovo 5037 reinforces the brand's commitment to sustainability and eco-friendliness. Using recycled materials in its construction, this model aims to reduce environmental impact. It also features energy-efficient components to improve battery longevity and overall energy consumption. The device is built with user security in mind, incorporating biometric authentication technologies to safeguard sensitive information.

In summary, the Lenovo 5034, 4169, 268, 5030, and 5037 each deliver unique features and technological advancements, catering to a wide range of users, from business professionals to gamers and creatives. Lenovo’s emphasis on performance, durability, and sustainability makes these models worthy contenders in the competitive laptop market.
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