Lenovo B590 Notebook User Manual Page 68
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RemovalstepsofI/Oboard
Removethescrews1,andthendetachthecable.RemovetheI/Oboard4.
3
2
1
1
4
StepScrew(quantity)Color
Torque
1
M2×5mm,at-head,nylon-coated(2)
Black
1.85kgf-cm
Wheninstalling:Ensurethatthecableisattachedrmlytothesystemboard.
1150SystemboardassemblyandUSBboard
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,bearthefollowinginmind:
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatoracorrugated
conductivesurface.
62HardwareMaintenanceManual
- HardwareMaintenanceManual 1
- ThirdEdition(April2013) 2
- ©CopyrightLenovo2012 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.LenovoB590 43
- Statusindicators 44
- Fnkeycombinations 45
- 40HardwareMaintenanceManual 46
- Screwnotices 47
- Generalguidelines 49
- 1010Batterypack 50
- 1020Bottomslotcover 50
- 1030Opticaldrive 51
- 1040Memorymodules 52
- 1050Harddiskdriveassembly 53
- 48HardwareMaintenanceManual 54
- StepScrew(quantity)Color 55
- 1.85kgf-cm 56
- 1070mSATAsolidstatedrive 57
- 1080Backupbattery 58
- 1090Keyboard 59
- Removalstepsofkeyboard 60
- Removethescrews1 60
- 54HardwareMaintenanceManual 60
- .RemovingandreplacingaFRU55 61
- 1100Keyboardbezel 62
- Removalstepsofkeyboardbezel 63
- Removethescrews3 63
- .RemovingandreplacingaFRU57 63
- 1110LEDboard 64
- 1.ThenremovetheLEDboard2 65
- 1130Microphoneassembly 66
- 1140I/Oboard 67
- RemovalstepsofI/Oboard 68
- 62HardwareMaintenanceManual 68
- 1160DC-inconnector 71
- 1170Thermalmodule 72
- 1190LCDunit 75
- 4.0kgf-cm 78
- 2010LCDfrontbezel 79
- 2020Camera 80
- Chapter8.Locations 85
- Bottomview 86
- Chapter9.Partslist 87
- .Partslist83 89
- 84HardwareMaintenanceManual 90
- .Partslist85 91
- LCD”onpage86 91
- Keyboard 93
- 88HardwareMaintenanceManual 94
- Miscellaneousparts 95
- 90HardwareMaintenanceManual 96
- Powercords 97
- 92HardwareMaintenanceManual 98
- .Partslist93 99
- 94HardwareMaintenanceManual 100
- AppendixA.Notices 101
- Electronicemissionsnotices 102
- Trademarks 102
- PartNumber: 104
- PrintedinChina 104
- (1P)P/N: 104
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