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Lenovo E49 manual Safety information

Models: E49

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Specifications Install Before replacing parts Parts list Password Status indicators Maintenance Hard disk drive assembly Checking the battery pack Backup battery

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Chapter 1. Safety information 23

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Lenovo E49 manual Safety information

Page 28 Page 30

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Contents

Lenovo E49 and ZhaoYang E49 Hardware Maintenance Manual Second Edition May Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual General safety Safety information Electrical safety Safety inspection guide Grounding requirements Safety notices multilingual translations Safety information Hardware Maintenance Manual Safety information Perigo Perigo Vorsicht Vorsicht Vorsicht Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Laser compliance statement multilingual translations Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Strategy for replacing FRUs Important service informationBefore replacing parts Important notice for replacing a system board Strategy for replacing a hard disk driveImportant information about replacing RoHS compliant FRUs For products shipped after June What to do first Following are not covered under warrantyGeneral checkout Checking the ac power adapter Power system checkout Checking operational charging Checking the battery pack Hardware Maintenance Manual Recovering the computer settings Related service informationPasswords Power-on password Screen blank mode Power managementSleep mode Hibernation mode Related service information Hardware Maintenance Manual Specifications Indicator Meaning Status indicators Key combination Description Fn key combinations Hardware Maintenance Manual Screw notices FRU replacement noticesCRU statement for customers Plastic to plastic Torque driver General guidelines Removing and replacing a FRU Optical drive Battery pack Removal steps of optical drive Removal steps of bottom slot cover Bottom slot coverMemory modules Removal steps of memory modules Hard disk drive assembly Removal steps of hard disk drive assembly Removal steps of hard disk drive bracket PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless LAN Removal steps of thermal fan assembly Thermal fan assembly Hardware Maintenance Manual Microprocessor Removal steps of microprocessor Keyboard Removal steps of keyboard Hardware Maintenance Manual Keyboard bezel Remove the screws That secure the keyboard bezel Removal steps of keyboard bezel Power board Removal steps of backup battery Backup batteryRemoval steps of power board Important notices for handling the system board System board assembly LCD unit Removal steps of system board assembly Removal steps of LCD unit and hinge brackets When installing DC-in cable and base cover Removal steps of DC-in cable and base cover Applying labels to the base cover LCD front bezel Removal steps of LCD front bezel Removal steps of integrated camera Integrated cameraLCD panel, LCD cable, and hinges Removal steps of LCD panel and LCD cable Removal steps of hinges Antenna assembly and LCD rear cover Removal steps of antenna assembly and LCD rear cover Front view Locations Rear view Right-side view Lenovo E49 and ZhaoYang E49 bottom and left-side view Bottom and left-side view Hardware Maintenance Manual CRU statement for customers Parts list CRU Overall Parts list CRU LSS MB DIS N13M-GE1 1G E49A WO/3G/BT LCD FRUs FRU Miscellaneous parts Ac power adapters Power cords Parts list 3-pin power cords Longwell Parts list 3-pin power cords Volex Parts list 2-pin power cords Linetek Hardware Maintenance Manual Appendix A. Notices Trademarks Electronic emissions noticesPage Part Number 1P P/N

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