Lenovo ThinkCentre Edge 91 (English) User Guide - Page 91

Audio problems, No audio in Windows - review

Get Lenovo ThinkCentre Edge 91 PDF manuals and user guides View all Lenovo ThinkCentre Edge 91 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 91 highlights

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 79 • "CD problems" on page 80 • "DVD problems" on page 81 • "Intermittent problems" on page 83 • "Keyboard, mouse, or pointing device problems" on page 83 • "Monitor problems" on page 85 • "Networking problems" on page 86 • "Option problems" on page 89 • "Performance and lockup problems" on page 90 • "Printer problems" on page 91 • "Serial port problems" on page 92 • "Software problems" on page 92 • "USB problems" on page 93 Audio problems Select your symptom from the following list: • "No audio in Windows" on page 79 • "An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive" on page 80 • "Sound comes from one external speaker only" on page 80 • "No audio in DOS applications or games" on page 80 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 79

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
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 79
•
“CD problems” on page 80
•
“DVD problems” on page 81
•
“Intermittent problems” on page 83
•
“Keyboard, mouse, or pointing device problems” on page 83
•
“Monitor problems” on page 85
•
“Networking problems” on page 86
•
“Option problems” on page 89
•
“Performance and lockup problems” on page 90
•
“Printer problems” on page 91
•
“Serial port problems” on page 92
•
“Software problems” on page 92
•
“USB problems” on page 93
Audio problems
Select your symptom from the following list:
•
“No audio in Windows” on page 79
•
“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive”
on page 80
•
“Sound comes from one external speaker only” on page 80
•
“No audio in DOS applications or games” on page 80
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
79