Troubleshooting; Audio Problems - Lenovo 2119 Maintenance Manual

Machine types: 2119, 2121, 2697, 2698, 2742, 2750, 2756, 2800, 2929, 2932, 2934, 2935, 2941, 2943, 2945, 2960, 2961, 2967, 2982, 2986, 2988, 2992, 2993, 2994, 2996, 2999, 3181, 3182, 3183, 3184, 3185, 3186, 3187, 3190, 3198, 3201, 3202, 3204, 3207, 3208,
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• If you are unable to run the diagnostic programs, contact the Lenovo Customer Support Center. See
"Lenovo Support Web site" on page 33 for more information.
• If the diagnostic programs do not detect a hardware failure, continue with the next step.
7. Use an antivirus program to see if your computer has been infected by a virus. If the program detects a
virus, remove the virus.
8. If none of these actions solve the problem, seek technical assistance. See "Lenovo Support Web
site" on page 33 for more information.

Troubleshooting

Use the troubleshooting information to find solutions to problems that have definite symptoms.
If the symptom your computer is experiencing occurred immediately after you installed a new hardware
option or new software, do the following before referring to the troubleshooting information:
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 39
"CD problems" on page 41
"DVD problems" on page 42
"Intermittent problems" on page 43
"Hard disk drive problems" on page 43
"Keyboard, mouse, or pointing device problems" on page 44
"Monitor problems" on page 46
"Networking problems" on page 47
"Option problems" on page 50
"Performance and lockup problems" on page 51
"Printer problems" on page 53
"Serial port problems" on page 53
"Software problems" on page 54
"USB problems" on page 55

Audio problems

Select your symptom from the following list:
"No audio in Windows" on page 40
"An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive"
on page 40
"Sound comes from one external speaker only" on page 40
"No audio in DOS applications or games" on page 40
.
Chapter 5
Troubleshooting and diagnostics
39

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