Lenovo B575E manual Safety information

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Chapter 1. Safety information 5

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Contents Lenovo B575e Hardware Maintenance ManualFirst Edition July Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety 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 For products shipped after June Strategy for replacing a hard disk driveImportant notice for replacing a system board Important information about replacing RoHS compliant FRUsWhat to do first Following are not covered under warrantyGeneral checkout Checking the ac power adapter Power system checkoutChecking operational charging Checking the battery packHardware Maintenance Manual Power-on password Related service informationRecovering the computer settings PasswordsHibernation mode Power managementScreen blank mode Sleep modeRelated service information Hardware Maintenance Manual Specifications Indicator Meaning Status indicatorsKey combination Description Fn key combinationsHardware Maintenance Manual Logic card to plastic FRU replacement noticesScrew notices Plastic to plasticHardware Maintenance Manual Removing and replacing a FRU Battery packRemoval steps of bottom slot cover Bottom slot coverHard disk drive Removal steps of hard disk drive assemblyRemoval steps of the optical drive Optical driveRemoval steps of hard disk drive bracket Memory modules Removal steps of memory modules PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN Backup battery Keyboard Removal steps of keyboard Keyboard will open up slightly Keyboard bezel Remove screws That secure the keyboard bezel Removal steps of keyboard bezelM2 × 5 mm, flat-head, nylon-coated Black Kgfcm Removing and replacing a FRU Removal steps of LED board LED board and power boardRemoval steps of power board 1120 I/O board and RJ45 Ethernet board Microphone assemblyRemoval steps of microphone assembly Removal steps of I/O board Remove the I/O board Removal steps of RJ45 Ethernet board Important notices for handling the system board System board assemblyRemoval steps of system board LCD unit Removal steps of LCD unit When installingThermal fan assembly Removal steps of thermal fan assembly Speaker assembly DC-in sub card and base cover Removal steps of speaker assemblyRemoval steps of DC-in sub card Applying labels to the base cover LCD front bezelRemoval steps of LCD front bezel Removal steps of integrated camera Integrated cameraLCD panel, LCD cable, and hinges Removal steps of LCD panel and hinges Removal steps of LCD cable Antenna assemblyRemoval steps of antenna assembly Removing and replacing a FRU Hardware Maintenance Manual Front view LocationsLenovo B575e bottom view Bottom viewParts list FRU Overall FRU no OverallLA57 HDD Door Assy LCD FRUs FRU Parts list Keyboard Sunrex Parts list Keyboard Chicony Miscellaneous parts Ac power adaptersPower cords Country or region FRU no Parts list 3-pin power cords Volex Country or region FRU no Hardware Maintenance Manual Appendix A. Notices Trademarks Electronic emissions noticesPage Part Number 1P P/N