Safety information | Lenovo 5110, 5106, 5114, 5150 manual

Chapter 2. Safety information 9

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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 Information ThinkCentre Hardware Maintenance Manual Safety information General safetyElectrical safety ThinkCentre Hardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guide Grounding requirements Safety notices multi-lingual translations To Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Para Conectar Para Desconectar Cuidado Perigo 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 Pericolo Prestare 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 information Program Control Panel section Green text in Control Panel Program Icon name Additional information resources Accessing Lenovo programs on the Windows 8 operating system ThinkCentre Hardware Maintenance Manual General Checkout Problem determination tips ThinkCentre Hardware Maintenance Manual Troubleshooting and diagnostics Basic troubleshootingSymptom Action Troubleshooting procedure Accessing Control Panel on the Windows 8 operating system Troubleshooting Audio problems No audio in WindowsSound comes from one external speaker only CD problems No audio in DOS applications or gamesCD 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 play Invalid disc or no disc found message Intermittent problemsKeyboard, mouse, or pointing device problems Playback is very slow or choppy All or some keys on the keyboard do not work Mouse or pointing device does 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 work Image is discolored Image appears to be flickering Ethernet problems Networking problems Adapter stops working for no apparent reason Wireless LAN problem Option problems Wireless WAN problemBluetooth 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 now Click Start Computer Excessive number of fragmented files Serial port problems Printer problems Software does not work as expected Software problems USB problems DiagnosticsLenovo Solution Center Troubleshooting and diagnostics ThinkCentre Hardware Maintenance Manual Using passwords Using the Setup Utility programStarting the Setup Utility program Viewing and changing settings Hard Disk Password Password considerationsPower-On Password Administrator Password Selecting or changing the startup device sequence Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup device Enabling ErP compliance mode Exiting the Setup Utility program ThinkCentre Hardware Maintenance Manual Beep symptoms Symptom-to-FRU IndexHard disk drive boot error Power Supply Problems Error code Post Error Message Description/Action Post error codesBeep Symptom FRU/Action Short and 1 long beeps Dram memory error Miscellaneous error conditions Message/Symptom FRU/ActionDisplay/Monitor Message/Symptom FRU/Action Undetermined problems ThinkCentre Hardware Maintenance Manual Locations Front connector, control, and indicator locations Rear connector locations Locating connectors on the rear of your computer Locating major FRUs and CRUs Looking up FRU information Number FRU description Self-service CRU Optional-service CRU Locating parts on the system board Locations of the parts and connectors on the system board ThinkCentre Hardware Maintenance Manual Adjusting the computer stand Replacing FRUsRemoving the computer stand Removing the computer cover Opening the system board shielding Opening and closing the system board shielding Closing the system board shielding Replacing FRUs Installing the rear I/O shielding Replacing the rear I/O shieldingRemoving the rear I/O shielding Removing the hard disk drive Replacing the hard disk drive Installing a hard disk drive Replacing the optical drive Removing the optical drive Installing an optical drive Replacing the memory module Removing the memory module Installing a memory module Removing the microprocessor fan assembly Replacing the microprocessor fan assembly ThinkCentre 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 board Installing a system board Installing internal speakers Replacing the internal speakersRemoving the internal speakers Removing the rear I/O assembly Replacing the rear I/O assembly Installing a rear I/O assembly Replacing the inverter Removing the inverter Installing an inverter Removing the battery Replacing the battery Installing a battery Replacing the power supply assemblyRemoving the power supply assembly ThinkCentre Hardware Maintenance Manual Installing a power supply assembly ThinkCentre Hardware Maintenance Manual Removing the LCD panel Replacing the LCD panel Installing an LCD panel Removing the Wifi card Replacing the Wifi card Installing the Wifi card Completing the FRU installation Installing a computer wall mount Installing a computer stand Installing a computer cover Replacing 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 system Power management Automatic configuration and power interface Acpi BiosAutomatic Power-On features Appendix A. Notices European conformance CE mark Trademarks Television output notice 119 IndexPage Page Part Number 1P P/N