Lenovo B475e Notebook Manual de usuario descargar pdf (Pagina 51)

100

Removalstepsofbottomslotcover

Loosenthescrews1aandremovethescrew1b,thenremovethebottomslotcover2.

StepScrew(quantity)Color

Torque

M2×3mm,at-head,nylon-coated(4)

Black

1.6kgf-cm

M2.5×7mm,at-head,nylon-coated(1)

Black

3.0kgf-cm

1030Harddiskdrive

Foraccess,removetheseFRUsinorder:

•“1010Batterypack”onpage44

•“1020Bottomslotcover”onpage44

Attention:

•Donotdropthedriveorapplyanyphysicalshocktoit.Thedriveissensitivetophysicalshock.Improper

handlingcancausedamageandpermanentlossofdata.

•Beforeremovingthedrive,havetheusermakeabackupcopyofalltheinformationonitifpossible.

•Neverremovethedrivewhilethecomputerisoperatingorinsuspendmode.

Chapter7.RemovingandreplacingaFRU45

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 99 100

HardwareMaintenanceManual 1
ThirdEdition(December2012) 2
Contents 3
Aboutthismanual 5
Chapter1.Safetyinformation 7
Electricalsafety 8
Safetyinspectionguide 9
Groundingrequirements 10
Chapter1.Safetyinformation5 11
6HardwareMaintenanceManual 12
.Safetyinformation7 13
Chapter1.Safetyinformation9 15
VORSICHT 17
.Safetyinformation11 17
12HardwareMaintenanceManual 18
.Safetyinformation13 19
14HardwareMaintenanceManual 20
.Safetyinformation15 21
16HardwareMaintenanceManual 22
.Safetyinformation17 23
18HardwareMaintenanceManual 24
Chapter1.Safetyinformation19 25
20HardwareMaintenanceManual 26
.Safetyinformation21 27
22HardwareMaintenanceManual 28
.Safetyinformation23 29
24HardwareMaintenanceManual 30
.Safetyinformation25 31
26HardwareMaintenanceManual 32
StrategyforreplacingFRUs 33
Currentororiginalpart 34
ReplacementFRU 34
MustbeRoHSMustbeRoHS 34
Chapter3.Generalcheckout 35
Powersystemcheckout 36
Checkingtheacpoweradapter 36
Checkingoperationalcharging 37
Checkingthebatterypack 37
32HardwareMaintenanceManual 38
Recoveringthecomputersettings 39
Passwords 39
Power-onpassword 40
Supervisorpassword 40
Powermanagement 40
Screenblankmode 40
Sleepmode 40
Hibernationmode 41
36HardwareMaintenanceManual 42
Chapter5.LenovoB475e 43
Statusindicators 44
Fnkeycombinations 45
40HardwareMaintenanceManual 46
Screwnotices 47
Generalguidelines 49
1010Batterypack 50
1020Bottomslotcover 50
1030Harddiskdrive 51
1040Opticaldrive 53
1050Memorymodules 53
1070Backupbattery 55
1080Keyboard 56
.RemovingandreplacingaFRU51 57
1090Keyboardbezel 58
Removalstepsofkeyboardbezel 59
Removethescrew3 59
.RemovingandreplacingaFRU53 59
Detachtheconnectors 60
Removethekeyboardbezel 60
54HardwareMaintenanceManual 60
1100LEDboardandpowerboard 61
1110Microphoneassembly 62
1120I/Oboard 62
StepScrew(quantity)Color 63
1.85kgf-cm 63
1130Systemboardassembly 64
Removalstepsofsystemboard 65
.RemovingandreplacingaFRU59 65
1140LCDunit 66
1.6kgf-cm 67
1150Thermalfanassembly 68
2to4,butdonotremovethem 69
1160Speakerassembly 71
1170DC-insubcardandbasecover 71
RemovalstepsofDC-insubcard 72
66HardwareMaintenanceManual 72
2010LCDfrontbezel 73
2020Integratedcamera 75
2040Antennaassembly 78
74HardwareMaintenanceManual 80
Frontview 81
Bottomview 82
Chapter9.Partslist 83
.Partslist79 85
80HardwareMaintenanceManual 86
Chapter9.Partslist81 87
Keyboard 88
.Partslist83 89
84HardwareMaintenanceManual 90
Miscellaneousparts 91
Powercords 91
86HardwareMaintenanceManual 92
.Partslist87 93
88HardwareMaintenanceManual 94
.Partslist89 95
90HardwareMaintenanceManual 96
AppendixA.Notices 97
Electronicemissionsnotices 98
Trademarks 98
PartNumber: 100
PrintedinChina 100
(1P)P/N: 100

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Lenovo B475e Notebook Manual de usuario Pagina 51

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