Lenovo 10152/F0AG, Руководство по техническому обслуживанию аппаратной части, Страница: 41 / 118

case the older con guration settings do not solve the problem or have adverse affects. To restore a
captured con guration, do the following:
For Windows 7: Click Start
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Control Panel
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System and Security
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System
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System
Protection
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System Restore .
For Windows 8: Open Control Panel , and then click System and Security
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System
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System
Protection
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System Restore .
If this does not correct the problem, continue with the next step.
6. Use an antivirus program to see if your computer has been infected by a virus. If the program detects a
virus, remove the virus.
7. If none of these actions solve the problem, seek technical assistance. See Lenovo Support Web
site on page 29 for more information.
Troubleshooting
Use the troubleshooting information to nd solutions to problems that have de nite symptoms.
If the symptom your computer is experiencing occurred immediately after a new hardware option or new
software installed, 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, have the computer serviced. 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.
Select the problem your computer is experiencing from the following list:
Audio problems on page 35
CD problems on page 37
DVD problems on page 38
Intermittent problems on page 39
Keyboard, mouse, or pointing device problems on page 39
Monitor problems on page 41
Networking problems on page 43
Option problems on page 45
Performance and lockup problems on page 46
Printer problems on page 48
Serial port problems on page 48
Software problems on page 49
USB problems on page 50
Audio problems
Select your symptom from the following list:
No audio in Windows on page 36
An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive
on page 36
Sound comes from one external speaker only on page 36
Chapter 5
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Troubleshooting and diagnostics
35