Lenovo ThinkStation E31 Hardware Maintenance Manual (HMM) (June 2012) - ThinkS - Page 43
Audio problems, No audio in Windows
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Select the problem your computer is experiencing from the following list: • "Audio problems" on page 37 • "CD problems" on page 38 • "DVD problems" on page 39 • "Intermittent problems" on page 40 • "Hard disk drive problems" on page 41 • "Keyboard, mouse, or pointing device problems" on page 42 • "Monitor problems" on page 43 • "Networking problems" on page 45 • "Option problems" on page 47 • "Performance and lockup problems" on page 48 • "Printer problems" on page 50 • "Serial port problems" on page 50 • "Software problems" on page 51 • "USB problems" on page 51 Audio problems Select your symptom from the following list: • "No audio in Windows" on page 37 • "An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive" on page 38 • "Sound comes from one external speaker only" on page 38 • "No audio in DOS applications or games" on page 38 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. • 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. Note: When external-speaker or headphone cables are attached to the audio connector, the internal speaker, if present, is disabled. In most cases, if an audio adapter is installed in one of the expansion slots, the audio function built into the system board is disabled; use the audio jacks on the adapter. • Make sure that the program you are running is designed for use in the Microsoft Windows operating system. If the program is designed to run in DOS, the program does not use the Windows sound feature and must be configured to use SoundBlaster Pro or SoundBlaster emulation. • Verify that the audio device drivers are correctly installed. See Microsoft Windows help system for more information. Chapter 5. Troubleshooting and diagnostics 37