Lenovo ThinkCentre M62z (English) User Guide - Page 63

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 51 • "CD problems" on page 52 • "DVD problems" on page 53 • "Intermittent problems" on page 55 • "Keyboard, mouse, or pointing device problems" on page 55 • "Monitor problems" on page 56 • "Networking problems" on page 58 • "Option problems" on page 60 • "Performance and lockup problems" on page 61 • "Printer problems" on page 62 • "Serial port problems" on page 63 • "Software problems" on page 63 • "USB problems" on page 64 Audio problems Select your symptom from the following list: • "No audio in Windows" on page 51 • "An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive" on page 52 • "Sound comes from one external speaker only" on page 52 • "No audio in DOS applications or games" on page 52 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. 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. Chapter 10. Troubleshooting and diagnostics 51

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Select the problem your computer is experiencing from the following list:
•
“Audio problems” on page 51
•
“CD problems” on page 52
•
“DVD problems” on page 53
•
“Intermittent problems” on page 55
•
“Keyboard, mouse, or pointing device problems” on page 55
•
“Monitor problems” on page 56
•
“Networking problems” on page 58
•
“Option problems” on page 60
•
“Performance and lockup problems” on page 61
•
“Printer problems” on page 62
•
“Serial port problems” on page 63
•
“Software problems” on page 63
•
“USB problems” on page 64
Audio problems
Select your symptom from the following list:
•
“No audio in Windows” on page 51
•
“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive”
on page 52
•
“Sound comes from one external speaker only” on page 52
•
“No audio in DOS applications or games” on page 52
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.
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.
Chapter 10
.
Troubleshooting and diagnostics
51