Lenovo E73 Spezifikationen PDF herunterladen (Seite 70)

d.Extendedvideomemory

e.ExternalCache

f.ExternalCacheRAM

g.Harddiskdrive

h.Diskettedrive

3.Turnonthepowerandthecomputertore-testthesystem.

4.Repeatsteps1through3untilyouﬁndthefailingdeviceoradaptercards.

Ifalldevicesandadaptercards

havebeenremoved,andtheproblemcontinues,replacethesystemboard.See“Replacingthesystem

board”onpage108or“Replacingthesystemboard”onpage156.

66ThinkCentreE73HardwareMaintenanceManual

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 185 186

ThinkCentreE73 1
HardwareMaintenanceManual 1
ThirdEdition(June2014) 2
Contents 3
Chapter1.Aboutthismanual 5
Chapter2.Safetyinformation 7
Voltage-selectionswitch 9
Safetyinspectionguide 9
Groundingrequirements 10
Chapter2.Safetyinformation7 11
.Safetyinformation9 13
Chapter2.Safetyinformation11 15
.Safetyinformation13 17
.Safetyinformation15 19
Chapter2.Safetyinformation17 21
≥18kg≥32kg≥55kg 23
.Safetyinformation21 25
Chapter2.Safetyinformation25 29
Chapter3.Generalinformation 33
Lenovoprograms 34
Chapter3.Generalinformation31 35
LenovoSupportWebsite 36
Chapter4.Generalcheckout 37
Basictroubleshooting 39
Troubleshootingprocedure 40
Troubleshooting 41
Audioproblems 41
NoaudioinWindows 42
CDproblems 43
DVDproblems 44
Intermittentproblems 45
Harddiskdriveproblems 45
Monitorproblems 48
Networkingproblems 49
AwirelessLANproblem 51
Bluetoothproblem 51
Optionproblems 52
Performanceandlockupproblems 52
Printerproblems 54
Serialportproblems 55
Softwareproblems 55
USBproblems 56
Diagnostics 57
LenovoSolutionCenter 57
UEFIdiagnosticprogram 57
Viewingandchangingsettings 59
Usingpasswords 59
Passwordconsiderations 60
Power-OnPassword 60
AdministratorPassword 60
HardDiskPassword 60
Enablingordisablingadevice 61
Selectingastartupdevice 62
EnablingErPLPScompliancemode 62
ExitingtheSetupUtilityprogram 63
Chapter7.Symptom-to-FRUindex 65
POSTerrorcodes 66
.Symptom-to-FRUindex63 67
Miscellaneouserrormessages 68
Undeterminedproblems 69
Chapter8.Locations 71
LocatingmajorFRUsandCRUs 73
Figure3.Componentlocations 74
LookingupFRUinformation 75
Locatingpartsonthesystemboard 76
Locatinginternaldrives 77
.Locations75 79
.Locations77 81
Installingexternaloptions 85
Installingorreplacinghardware 85
Replacingtherearfanassembly 93
Installingthesolid-statedrive 98
Replacingtheslimcardreader 101
Replacingthethermalsensor 107
Replacingthemicroprocessor 109
2onthemicroprocessor 111
Replacingthesystemboard 112
ReplacingtheWi-Fiunits 115
RemovingtheWi-Ficardmodule 117
InstallingtheWi-Fiunits 118
InstallingtherearWi-Fiantenna 121
RemovingtherearWi-Fiantenna 121
Replacingthekeyboardormouse 124
Completingthepartsreplacement 125
Obtainingdevicedrivers 126
10BF,and10BG) 127
Removingthecomputercover 128
1inwardandpivotthedrivebay 131
1asshownto 132
Replacingthebattery 134
Replacingtheharddiskdrive 135
Replacingtheopticaldrive 137
Replacingthesolid-statedrive 143
Replacingthesystemfanassembly 162
RemovingtheWi-Fiadaptercard 166
InstallingthefrontWiFiantenna 172
RemovingthefrontWi-Fiantenna 173
Powermanagement 180
AutomaticPower-onfeatures 180
AppendixA.Notices 181
Televisionoutputnotice 182
EuropeanconformanceCEmark 182
Trademarks 182

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