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IBM X121E manual Safety information

Models: X121E

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Chapter 1. Safety information 17

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IBM X121E manual Safety information

Contents

ThinkPad X121e Hardware Maintenance ManualFirst Edition July Copyright Lenovo Contents Locations Iii About this manualThinkPad X121e Iv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Select Downloads & Drivers Important service informationBefore replacing parts Strategy for replacing FRUsImportant notice for replacing a system board How to use error messageDynamic Configure To Order CTO Strategy for replacing a hard disk driveGeneral Announce Variant GAV Using PEWFRU identification for CTO, CMV, and GAV products Hardware Maintenance Manual What to do first General checkoutCheckout guide Diagnostics using PC-Doctor for DOSFollowing are not covered under warranty Testing the computer Utility Diagnostics Interactive TestsLenovo ThinkVantage Toolbox Hardware InfoApplicable test FRU testsPin Voltage V dc Power system checkoutChecking the ac power adapter Interactive Tests MouseTerminal Voltage V dc Checking the battery packChecking operational charging Wire Voltage V dc Checking the backup batteryRestoring the factory contents by using Recovery Disc Set Related service informationHard disk password PasswordsPower-on password Select Power-On Password Supervisor passwordHow to remove the power-on password How to remove the hard-disk passwordSleep standby mode Power managementScreen blank mode Symptom-to-FRU index Hibernation modeNumeric error codes No-beep symptoms Error messagesBeep symptoms See important note for LCD-related symptoms LCD-related symptomsIntermittent problems Reseat the LCD connectorsUndetermined problems Hardware Maintenance Manual Indicator Meaning Status indicatorsHardware Maintenance Manual Key combination Description Speaker volume down keysFn key combinations For Windows Vista and Windows XP Key combination Description For WindowsPlastic to plastic FRU replacement noticesScrew notices External CRU statement to customersSelect 2. Read S/N data from Eeprom Retaining serial numbersRestoring the serial number of the system unit Product ID on the rear label Retaining the UuidReading or writing the ECA information MTM on the rear labelHardware Maintenance Manual Before servicing ThinkPad X121e models Removing and replacing a FRUImportant notice for replacing a battery pack Battery packBottom slot cover Removal steps of memory modules Memory modulesHard disk drive or solid state drive assembly Step Screw quantity Color Torque PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN PCI Express Mini Card for wireless WANKeyboard Removal steps of keyboard Power sub card and microphone Top case assembly Removal steps of top case assembly Bluetooth daughter card Speaker assembly 1120 I/O board Important notices for handling the system board System board assembly, fan assembly, and backup batteryStep Screw quantity Color Torque CRT board assembly with cable DC-in sub card and base cover assembly Applying labels to the base cover Hardware Maintenance Manual LCD unit When installingM2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm Step Screw cap Screw quantity Color Torque LCD bezel assemblyRemoval steps of integrated camera Integrated cameraLCD panel, LCD cable, and hinges Removal steps of hinges Removing and replacing a FRU Hardware Maintenance Manual Front view LocationsBottom view Rear viewExternal CRU statement to customers Parts listOverall CRU FRU Overall FRU noCRU CRU CRU CRU CRU CRU FRU no. CRU ID LCD FRUsNo. FRU Overall FRU LCD FRU LCD FRU LCD Language FRU no Miscellaneous parts Ac power adaptersCountry or region FRU no Power cordsLanguage Recovery discs Windows XP Professional 32-bit DVDsWindows Vista Business 32-bit DVDs Windows 7 Home Premium 32-bit DVDs Windows 7 Home Basic 32-bit DVDsWindows 7 Professional 32-bit DVDs Windows 7 Home Premium 64-bit DVDs3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO Windows 7 Professional 64-bit DVDsUS English 04T1876 Windows 7 Ultimate 32-bit DVDsWindows 7 Ultimate 64-bit DVDs Windows 7 Starter 32-bit DVDsTool Common service tools103 Appendix A. NoticesTrademarks Electronic emissions noticesPage 0A96013