Lenovo E49 manual Hardware Maintenance Manual

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22Hardware Maintenance Manual

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Contents Hardware Maintenance Manual Lenovo E49 and ZhaoYang E49Second Edition May Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual Safety information General safetyElectrical safety Safety inspection guide Safety notices multilingual translations Grounding requirementsSafety 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 Before replacing parts Important service informationStrategy for replacing FRUs Strategy for replacing a hard disk drive Important notice for replacing a system boardImportant information about replacing RoHS compliant FRUs For products shipped after JuneGeneral checkout Following are not covered under warrantyWhat to do first Power system checkout Checking the ac power adapterChecking the battery pack Checking operational chargingHardware Maintenance Manual Related service information Recovering the computer settingsPasswords Power-on passwordPower management Screen blank modeSleep mode Hibernation modeRelated service information Hardware Maintenance Manual Specifications Status indicators Indicator MeaningFn key combinations Key combination DescriptionHardware Maintenance Manual FRU replacement notices Screw noticesCRU statement for customers Plastic to plasticTorque driver Removing and replacing a FRU General guidelinesBattery pack Optical driveRemoval steps of optical drive Memory modules Bottom slot coverRemoval steps of bottom slot cover Hard disk drive assembly Removal steps of memory modulesRemoval steps of hard disk drive assembly PCI Express Mini Card for wireless LAN Removal steps of hard disk drive bracketRemoval steps of PCI Express Mini Card for wireless LAN Thermal fan assembly Removal steps of thermal fan assemblyHardware Maintenance Manual Microprocessor Keyboard Removal steps of microprocessorRemoval steps of keyboard Hardware Maintenance Manual Keyboard bezel Removal steps of keyboard bezel Remove the screws That secure the keyboard bezelPower board Removal steps of power board Backup batteryRemoval steps of backup battery System board assembly Important notices for handling the system boardRemoval steps of system board assembly LCD unitRemoval steps of LCD unit and hinge brackets When installing DC-in cable and base cover Removal steps of DC-in cable and base cover LCD front bezel Applying labels to the base coverRemoval steps of LCD front bezel LCD panel, LCD cable, and hinges Integrated cameraRemoval steps of integrated camera Removal steps of LCD panel and LCD cable Antenna assembly and LCD rear cover Removal steps of hingesRemoval steps of antenna assembly and LCD rear cover Locations Front viewRight-side view Rear viewBottom and left-side view Lenovo E49 and ZhaoYang E49 bottom and left-side viewHardware Maintenance Manual Parts list CRU statement for customersOverall CRUParts list CRU LCD FRUs LSS MB DIS N13M-GE1 1G E49A WO/3G/BTFRU Ac power adapters Miscellaneous partsPower 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 Electronic emissions notices TrademarksPage Part Number 1P P/N