Lenovo ThinkCentre M91p (English) User Guide - Page 109

Troubleshooting, Audio problems, No audio in Windows - gaming

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8. If none of these actions solve the problem, seek technical assistance. See Chapter 11 "Getting information, help, and service" on page 113 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 95 • "CD problems" on page 97 • "DVD problems" on page 97 • "Intermittent problems" on page 99 • "Keyboard, mouse, or pointing device problems" on page 99 • "Monitor problems" on page 101 • "Networking problems" on page 103 • "Option problems" on page 105 • "Performance and lockup problems" on page 106 • "Printer problems" on page 109 • "Serial port problems" on page 109 • "Software problems" on page 109 • "USB problems" on page 110 Audio problems Select your symptom from the following list: • "No audio in Windows" on page 95 • "An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive" on page 96 • "Sound comes from one external speaker only" on page 96 • "No audio in DOS applications or games" on page 96 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. Chapter 10. Troubleshooting and diagnostics 95

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8. If none of these actions solve the problem, seek technical assistance. See Chapter 11 “Getting
information, help, and service” on page 113 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 95
•
“CD problems” on page 97
•
“DVD problems” on page 97
•
“Intermittent problems” on page 99
•
“Keyboard, mouse, or pointing device problems” on page 99
•
“Monitor problems” on page 101
•
“Networking problems” on page 103
•
“Option problems” on page 105
•
“Performance and lockup problems” on page 106
•
“Printer problems” on page 109
•
“Serial port problems” on page 109
•
“Software problems” on page 109
•
“USB problems” on page 110
Audio problems
Select your symptom from the following list:
•
“No audio in Windows” on page 95
•
“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive”
on page 96
•
“Sound comes from one external speaker only” on page 96
•
“No audio in DOS applications or games” on page 96
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.
Chapter 10
.
Troubleshooting and diagnostics
95