Owner's manual

Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatement(multilingual
translations)................19
Chapter2.Importantservice
information..............27
StrategyforreplacingFRUs.........27
Strategyforreplacingaharddiskdrive...28
Importantnoticeforreplacingasystem
board................28
ImportantinformationaboutreplacingRoHS
compliantFRUs..............28
Chapter3.Generalcheckout.....29
Whattodorst..............29
Powersystemcheckout...........30
Checkingtheacpoweradapter......30
Checkingoperationalcharging......31
Checkingthebatterypack........31
Chapter4.Relatedservice
information..............33
Recoveringthecomputersettings.......33
Passwords................33
Power-onpassword...........34
Supervisorpassword..........34
Powermanagement............34
Screenblankmode...........34
Sleepmode..............34
Hibernationmode...........35
Chapter5.LenovoB480........37
Specications...............37
Statusindicators..............38
Fnkeycombinations............39
Chapter6.FRUreplacement
notices................41
Screwnotices...............41
Chapter7.Removingandreplacinga
FRU..................43
Generalguidelines.............43
1010Batterypack.............44
1020Bottomslotcover...........44
1030Opticaldrive.............45
1040Memorymodules...........46
1050Harddiskdriveassembly........47
1060PCIExpressMiniCardforwirelessLAN..49
1070mSATAsolid-statedrive.........50
1080Backupbattery............51
1090Keyboard..............51
1100Keyboardbezel............53
1110FingerprintboardandLEDboard.....55
1120Powerboard.............57
1130Microphoneassembly.........58
1140I/Oboard..............58
1150SystemboardassemblyandUSBboard..60
1160Thermalmodule............62
1170CPU................64
1180LCDunit...............65
1190Speakerassembly...........67
1200DC-inconnectorandbasecover.....68
2010LCDfrontbezel............70
2020Integratedcamera...........71
2030LCDpanel,LCDcable,andhinges....72
2040AntennaassemblyandLCDrearcover...74
Chapter8.Locations.........77
Frontview................77
Right-sideview..............78
Bottomandleft-sideview..........78
Chapter9.Partslist..........79
Overall..................80
LCDFRUs................83
Keyboard.................85
Miscellaneousparts............87
acpoweradapters.............88
Powercords...............89
AppendixA.Notices..........93
Electronicemissionsnotices.........94
Trademarks................94
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