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Lenovo 5110, 5106, 5114, 5150 manual Safety information

Models: 5150 5114 5106 5110

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Chapter 2. Safety information 13

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Lenovo 5110, 5106, 5114, 5150 manual Safety information

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 General safety Safety informationElectrical 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 Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Troubleshooting procedure Accessing Control Panel on the Windows 8 operating systemTroubleshooting No audio in Windows Audio problemsSound comes from one external speaker only No audio in DOS applications or games CD problemsCD or DVD does not work 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 choppyMouse or pointing device does not work All or some keys on the keyboard do not workPointer on the screen does not move smoothly with the mouse 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 problemWireless WAN problem Option problemsBluetooth problems 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 problemsDiagnostics USB problemsLenovo Solution Center 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 errorMessage/Symptom FRU/Action Miscellaneous error conditionsDisplay/Monitor 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 Replacing FRUs Adjusting the computer standRemoving the computer stand Removing the computer cover Opening the system board shielding Opening and closing the system board shieldingClosing the system board shielding Replacing FRUs Replacing the rear I/O shielding Installing the rear I/O shieldingRemoving 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 Replacing the internal speakers Installing internal speakersRemoving 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 batteryReplacing the power supply assembly Installing a batteryRemoving 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 configuration and power interface Acpi Bios Power managementAutomatic Power-On features Appendix A. Notices European conformance CE mark Trademarks Television output notice119 IndexPage Page Part Number 1P P/N