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IBM X121E manual Safety information

Models: X121E

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Chapter 1. Safety information 5

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IBM X121E manual Safety information

Contents

ThinkPad X121e Hardware Maintenance Manual First Edition July Copyright Lenovo Contents Locations Iii About this manualThinkPad X121e Iv Hardware Maintenance Manual General safety Safety information Electrical safety Safety inspection guide Grounding requirements Safety notices multilingual translations Safety 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 FRUs Important notice for replacing a system board How to use error messageDynamic Configure To Order CTO Strategy for replacing a hard disk drive General Announce Variant GAV Using PEWFRU identification for CTO, CMV, and GAV products Hardware Maintenance Manual What to do first General checkout Checkout guide Diagnostics using PC-Doctor for DOSFollowing are not covered under warranty Testing the computer Utility Diagnostics Interactive TestsLenovo ThinkVantage Toolbox Hardware Info Applicable test FRU tests Pin Voltage V dc Power system checkoutChecking the ac power adapter Interactive Tests Mouse Terminal Voltage V dc Checking the battery packChecking operational charging Wire Voltage V dc Checking the backup battery Restoring the factory contents by using Recovery Disc Set Related service information Hard disk password PasswordsPower-on password Select Power-On Password Supervisor passwordHow to remove the power-on password How to remove the hard-disk password Sleep standby mode Power managementScreen blank mode Symptom-to-FRU index Hibernation mode Numeric error codes No-beep symptoms Error messagesBeep symptoms See important note for LCD-related symptoms LCD-related symptomsIntermittent problems Reseat the LCD connectors Undetermined problems Hardware Maintenance Manual Indicator Meaning Status indicators Hardware Maintenance Manual Key combination Description Speaker volume down keysFn key combinations For Windows Vista and Windows XP Key combination Description For Windows Plastic to plastic FRU replacement noticesScrew notices External CRU statement to customers Select 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 label Hardware Maintenance Manual Before servicing ThinkPad X121e models Removing and replacing a FRU Important notice for replacing a battery pack Battery pack Bottom slot cover Removal steps of memory modules Memory modules Hard disk drive or solid state drive assembly Step Screw quantity Color Torque PCI Express Mini Card for wireless LAN Removal 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 WAN Keyboard 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 battery Step 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 installing M2.5 × 5 mm, wafer-head, nylon-coated Black 392 Nm Kgfcm Step Screw cap Screw quantity Color Torque LCD bezel assembly Removal steps of integrated camera Integrated camera LCD panel, LCD cable, and hinges Removal steps of hinges Removing and replacing a FRU Hardware Maintenance Manual Front view Locations Bottom view Rear view External CRU statement to customers Parts list Overall CRU FRU Overall FRU no CRU 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 adapters Country or region FRU no Power cords Language 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 DVDs Windows 7 Professional 32-bit DVDs Windows 7 Home Premium 64-bit DVDs 3051-CTO, 52x, 5Ax, 5Bx, 5Dx, 5Ex 3053-CTO 3055-CTO Windows 7 Professional 64-bit DVDs US English 04T1876 Windows 7 Ultimate 32-bit DVDsWindows 7 Ultimate 64-bit DVDs Windows 7 Starter 32-bit DVDs Tool Common service tools 103 Appendix A. Notices Trademarks Electronic emissions noticesPage 0A96013