Lenovo 5110, 5106, 5114, 5150 manual Troubleshooting and diagnostics

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For additional information, refer to the Lenovo Solution Center help system.

Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files. You will need the log files when you speak to a Lenovo technical support representative.

Chapter 5. Troubleshooting and diagnostics 53

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Contents ThinkCentre Hardware Maintenance Manual Page ThinkCentre Hardware Maintenance Manual Second Edition September Copyright Lenovo Contents Appendix A. Notices 117 About this manual Important Safety InformationThinkCentre Hardware Maintenance Manual Electrical safety Safety informationGeneral safety ThinkCentre Hardware 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 ThinkCentre Hardware Maintenance Manual Safety information Connexion Déconnexion ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Vorsicht Achtung ThinkCentre Hardware Maintenance Manual Safety information Per collegarsi Per scollegarsi PericoloPrestare attenzione nel sollevare lapparecchiatura ThinkCentre Hardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo ThinkCentre Hardware Maintenance Manual Lenovo programs SpecificationsAccessing Lenovo programs on the Windows 7 operating system General informationProgram Control Panel section Green text in Control Panel Program Icon nameAdditional information resources Accessing Lenovo programs on the Windows 8 operating systemThinkCentre Hardware Maintenance Manual General Checkout Problem determination tipsThinkCentre Hardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Troubleshooting procedure Accessing Control Panel on the Windows 8 operating systemTroubleshooting Sound comes from one external speaker only Audio problemsNo audio in Windows CD or DVD does not work CD problemsNo audio in DOS applications or games No audio or intermittent audio while playing DVD movie DVD problemsBlack screen instead of DVD video DVD movie will not playInvalid disc or no disc found message Intermittent problemsKeyboard, mouse, or pointing device problems Playback is very slow or choppyPointer on the screen does not move smoothly with the mouse All or some keys on the keyboard do not workMouse or pointing device does not work Wrong characters appear on the screen Monitor problemsWireless keyboard does not work Fingerprint reader does not workImage is discolored Image appears to be flickeringEthernet problems Networking problemsAdapter stops working for no apparent reason Wireless LAN problemBluetooth problems Option problemsWireless WAN problem Insufficient free hard disk drive space Performance and lockup problemsAn option that was just installed does not work An option that previously worked does not work nowClick Start Computer Excessive number of fragmented filesSerial port problems Printer problemsSoftware does not work as expected Software problemsLenovo Solution Center USB problemsDiagnostics Troubleshooting and diagnostics ThinkCentre Hardware Maintenance Manual Using passwords Using the Setup Utility programStarting the Setup Utility program Viewing and changing settingsHard Disk Password Password considerationsPower-On Password Administrator PasswordSelecting or changing the startup device sequence Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup deviceEnabling ErP compliance mode Exiting the Setup Utility program ThinkCentre Hardware Maintenance Manual Beep symptoms Symptom-to-FRU IndexHard disk drive boot error Power Supply ProblemsError code Post Error Message Description/Action Post error codesBeep Symptom FRU/Action Short and 1 long beeps Dram memory errorDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action Message/Symptom FRU/Action Undetermined problems ThinkCentre Hardware Maintenance Manual Locations Front connector, control, and indicator locationsRear connector locations Locating connectors on the rear of your computerLocating 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 boardThinkCentre Hardware Maintenance Manual Removing the computer stand Adjusting the computer standReplacing FRUs Removing the computer cover Opening the system board shielding Opening and closing the system board shieldingClosing the system board shielding Replacing FRUs Removing the rear I/O shielding Installing the rear I/O shieldingReplacing the rear I/O shielding Removing the hard disk drive Replacing the hard disk driveInstalling a hard disk drive Replacing the optical drive Removing the optical drive Installing an optical driveReplacing the memory module Removing the memory module Installing a memory moduleRemoving the microprocessor fan assembly Replacing the microprocessor fan assemblyThinkCentre Hardware Maintenance Manual Installing a microprocessor fan assembly Replacing the microprocessor and heat sink assembly Removing the microprocessor and heat sink assembly Installing the microprocessor and heat sink assembly Replacing FRUs Removing the system board Replacing the system boardInstalling a system board Removing the internal speakers Installing internal speakersReplacing the internal speakers Removing the rear I/O assembly Replacing the rear I/O assemblyInstalling a rear I/O assembly Replacing the inverter Removing the inverter Installing an inverter Removing the battery Replacing the batteryRemoving the power supply assembly Installing a batteryReplacing the power supply assembly ThinkCentre Hardware Maintenance Manual Installing a power supply assembly ThinkCentre Hardware Maintenance Manual Removing the LCD panel Replacing the LCD panelInstalling an LCD panel Removing the Wifi card Replacing the Wifi cardInstalling the Wifi card Completing the FRU installation Installing a computer wall mountInstalling a computer stand Installing a computer coverReplacing FRUs ThinkCentre Hardware Maintenance Manual Additional Service Information Updating flashing the Bios from a disc Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemAutomatic Power-On features Power managementAutomatic configuration and power interface Acpi Bios Appendix A. Notices European conformance CE mark Trademarks Television output notice119 IndexPage Page Part Number 1P P/N

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