Lenovo E73 Specifications Page 184
- Page / 186
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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systemboard87,129
Microphoneconnector69,76
microprocessor
replacing105,153
mouse,replacing120,170
O
opticaldrive,replacing95,133
Optional-serviceCRUs69,76
P
partnumbers1,67,71,78
partsreplacement,completing121,171
password
Administrator56
considerations56
Power-OnPassword56
setting,changing,deleting56
passwords
erasing57
lostorforgotten57
passwords,using55
PCIExpresscard84,127
installing,replacing84,127
slots84,127
powersupplyassembly,replacing100,144
Power-On,Password56
R
rearconnectors68,75
rearfanassembly,replacing89
rearWi-Fiantenna,installing,removing117,166
recovering
fromaPOSTandBIOSupdatefailure175
recovery
Boot-blockRecovery175
removingcomputercover82,124
replacing
battery91,130
harddiskdrive92,131
heatsinkandfanassembly101,148
microprocessor105,153
slimcardreader97,137
solid-statedrive139
S
security
enablingordisabling57
selecting
startupdevice58
temporarystartupdevice58
Self-serviceCRUs69,76
setting
password56
settings
changing55
viewing55
SetupUtility55
SetupUtilityprogram,starting55
SetupUtility,exiting59
slimcardreader,replacing97,137
solid-statedrive,installing94
solid-statedrive,replacing139
startingtheSetupUtilityprogram55
startupdevice58
sequence,changing58
temporary,selecting58
static-sensitivedevices,handling81,123
supportwebsite
support32
support,website32
systemboard
locatingparts72,79
locations72,79
memorymodule87,129
systemboardcomponents
accessing126
systemfanassembly,replacing158
T
temporarystartupdevice58
theBIOS,updating(flashing)174–175
thermalsensor,replacing103,151
towercomputers
hardware,installingorreplacing
devicedrivers,obtaining122
externaloptions81
troubleshooting,basic35
troubleshooting,diagnostics35
U
updating
(flashing)theBIOS174
updating(flashing)theBIOS175
USB2.0connector76
USB3.0connector76
USBconnector69
using
passwords55
SetupUtility55
V
VGAmonitorconnector69
,76
viewingandchangingsettings55
W
Wi-Fiunits,Wi-Fiadaptercard,Wi-Ficardmodule,Wi-Fi
antennacable,replacing111
,161
180ThinkCentreE73HardwareMaintenanceManual
- ThinkCentreE73 1
- HardwareMaintenanceManual 1
- FourthEdition(December2014) 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
- ©CopyrightLenovo2013,2014 177
- Powermanagement 180
- AutomaticPower-onfeatures 180
- AppendixA.Notices 181
- Televisionoutputnotice 182
- EuropeanconformanceCEmark 182
- Trademarks 182
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