Lenovo S710 manual Troubleshooting, Audio problems

Page 41

case the older configuration settings do not solve the problem or have adverse affects. To restore a captured configuration, do the following:

•For Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ System ➙ System Protection ➙ System Restore.

•For Windows 8: Open Control Panel, and then click System and Security ➙ System ➙ System Protection ➙ 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 find solutions to problems that have definite 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. Troubleshooting and diagnostics 35

Image 41

Contents Lenovo S710 All-In-One Hardware Maintenance Manual Page Lenovo S710 All-In-One Hardware Maintenance Manual First Edition August Copyright Lenovo Contents Appendix A. Notices About this manual Important Safety InformationLenovo S710 All-In-OneHardware Maintenance Manual Electrical safety Safety informationGeneral safety Lenovo S710 All-In-OneHardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety notices multi-lingual translationsTo Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Para Conectar Para Desconectar CuidadoPerigo Safety information Lenovo S710 All-In-OneHardware Maintenance Manual Safety information Connexion Déconnexion ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Vorsicht Arbeitsschutzrichtlinien beim Anheben der Maschine beachten AchtungLenovo S710 All-In-OneHardware Maintenance Manual Safety information Per collegarsi Per scollegarsi PericoloPrestare attenzione nel sollevare lapparecchiatura Lenovo S710 All-In-OneHardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo Lenovo S710 All-In-OneHardware Maintenance Manual Lenovo Support Web site SpecificationsGeneral information Lenovo S710 All-In-OneHardware Maintenance Manual General Checkout Problem determination tipsLenovo S710 All-In-OneHardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Click Settings Click Control Panel Accessing Control Panel on the Windows 8 operating systemTroubleshooting procedure Audio problems TroubleshootingNo audio in DOS applications or games No audio in WindowsSound comes from one external speaker only CD or DVD does not work CD problemsBlack screen instead of DVD video DVD problemsDVD movie will not play No audio or intermittent audio while playing DVD movieKeyboard, mouse, or pointing device problems Intermittent problemsInvalid disc or no disc found message All or some keys on the keyboard do not workPointer on the screen does not move smoothly with the mouse Mouse or pointing device does not workFingerprint reader does not work Click Hardware and Sound Click Devices and PrintersWrong characters appear on the screen Monitor problemsWireless keyboard does not work Image is discolored Image appears to be flickeringEthernet problems Networking problemsYour computer cannot connect to the network Click Start Control Panel Click Hardware and SoundAdapter stops working for no apparent reason Wireless LAN problemWake on LAN feature is not working Wireless WAN problem Option problemsBluetooth problems Sound does not come from the Bluetooth headphoneAn option that was just installed does not work Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive spaceClick Programs Click Turn Windows features on or off Click Disk CleanupClick Disk Cleanup Click Clean up system files Programs and Features area, click the Clean up buttonSerial port problems Printer problemsClick Defragment Now, then click Continue Click OptimizeSoftware does not work as expected Software problemsUSB problems Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Using passwordsAdministrator Password Power-On PasswordSetting, changing, and deleting a password Enabling or disabling a deviceSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Setup Utility program Hard disk drive boot error Symptom-to-FRU IndexPower Supply Problems Beep symptomsBeep Symptom FRU/Action Post error codesShort and 1 long beeps Dram memory error Error code Post Error Message Description/ActionDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action Second device hard disk First device networkUndetermined problems Lenovo S710 All-In-OneHardware Maintenance Manual Locations Front connector, control, and indicator locationsRear connector locations Locating major FRUs and CRUs Locating major FRUs and CRUs Looking up FRU information Number FRU description Self-service CRU Optional-service CRULocating parts on the system board Locations of the parts and connectors on the system boardReplacing FRUs Removing and reinstalling the system stand hinge coverRemoving the system stand hinge cover Removing and reinstalling the system standRemoving the system stand Lenovo S710 All-In-OneHardware Maintenance Manual Removing the computer cover Removing and reinstalling the Vesa mount bracketRemoving the Vesa mount bracket Replacing the hard disk driveRemoving the hard disk drive Removing the hard disk drive from the bracket Replacing the optical driveRemoving the optical drive Connecting the cable and installing the screw Removing and reinstalling the system board shieldRemoving the system board shield Replacing the microprocessor fanRemoving the microprocessor fan Replacing the heat sink assemblySafety, Warranty, and Setup Guide, go to Replacing the microprocessor Opening the retainer to access the microprocessor Removing the microprocessor Removing the battery Replacing the batteryReplacing the inverter Installing a new batteryRemoving the screws that secure the inverter Installing or replacing a memory moduleRemoving a memory module Removing the internal speakers Replacing the internal speakersRemoving the integrated camera Replacing the integrated cameraReplacing the system board Lenovo S710 All-In-OneHardware Maintenance Manual Replacing the LCD panel Disconnect the LCD panel cable from the system board Removing the four screws that secure the LCD panel Reconnect the LCD panel cable to the system board Replacing the Wi-Fi cardRemoving the screw that secures the Wi-Fi card Replacing the USB keyboard or mouse Completing the parts replacementInstalling the computer cover Lenovo S710 All-In-OneHardware Maintenance Manual CRU ID FRU lists-S710WD XL1000S WD10EZEX-08RKKA0 1TB HDD-LH PIB65F/TAHOE Rear IO-1 China DIP +BKT Foot Holder Pcak W/RUBBER Additional Service Information Updating flashing the Bios from your operating system Click Downloads and drivers Recovering from a POST/BIOS update failurePower management Automatic Power-on features Automatic configuration and power interface Acpi Bios107 Appendix A. NoticesEuropean conformance CE mark Trademarks Television output notice109 IndexPOST/BIOS update failure