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
Whattodorst..............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.LenovoB575e.......37
Specications...............37
Statusindicators..............38
Fnkeycombinations............39
Chapter6.FRUreplacement
notices................41
Screwnotices...............41
Chapter7.Removingandreplacinga
FRU..................43
Generalguidelines.............43
1010Batterypack.............44
1020Bottomslotcover...........44
1030Harddiskdrive............45
1040Opticaldrive.............47
1050Memorymodules...........48
1060PCIExpressMiniCardforwirelessLAN..49
1070Backupbattery............50
1080Keyboard..............51
1090Keyboardbezel............54
1100LEDboardandpowerboard.......58
1110Microphoneassembly.........59
1120I/OboardandRJ45Ethernetboard....59
1130Systemboardassembly.........63
1140LCDunit...............65
1150Thermalfanassembly.........67
1160Speakerassembly...........69
1170DC-insubcardandbasecover......70
2010LCDfrontbezel............72
2020Integratedcamera...........74
2030LCDpanel,LCDcable,andhinges....74
2040Antennaassembly...........76
Chapter8.Locations.........79
Frontview................79
Bottomview...............80
Chapter9.Partslist..........81
Overall..................82
LCDFRUs................84
Keyboard.................86
Miscellaneousparts............89
acpoweradapters.............89
Powercords...............89
AppendixA.Notices..........93
Electronicemissionsnotices.........94
Trademarks................94
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