Lenovo ThinkCentre E73 - Page 4

Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......74
Locatingconnectorsontherearofyour
computer...............75
LocatingmajorFRUsandCRUs......76
LookingupFRUinformation.......78
Locatingpartsonthesystemboard....79
Locatinginternaldrives.........80
Chapter9.ReplacingFRUs(machine
types:10ASand10AU)........81
Handlingstatic-sensitivedevices.......81
Installingorreplacinghardware........81
Installingexternaloptions........81
Removingthecomputercover.......82
Removingandreinstallingthefrontbezel..83
InstallingorreplacingaPCIExpresscard..85
Installingorreplacingamemorymodule...88
Replacingtherearfanassembly......90
Replacingthebattery..........92
Replacingtheprimaryharddiskdrive....93
Installingthesolid-statedrive.......95
Replacingtheopticaldrive........96
Replacingtheslimcardreader......98
Replacingthepowersupplyassembly...101
Replacingtheheatsinkandfanassembly..102
Replacingthethermalsensor.......104
Replacingthemicroprocessor.......106
Replacingthesystemboard.......109
ReplacingthefrontaudioandUSB
assembly...............111
ReplacingtheWi-Fiunits.........112
InstallingorremovingtherearWi-Fi
antenna...............118
InstallingorremovingthefrontWi-Fi
antenna...............119
Replacingthekeyboardormouse.....121
Completingthepartsreplacement.....122
Chapter10.ReplacingFRUs
(machinetypes:10AU,10AW,10BF,
and10BG)..............125
Handlingstatic-sensitivedevices.......125
Installingorreplacinghardware........125
Installingexternaloptions........125
Removingthecomputercover.......126
Removingandreinstallingthefrontbezel..127
Accessingthesystemboardcomponentsand
drives................128
InstallingorreplacingaPCIExpresscard..129
Installingorreplacingamemorymodule...131
Replacingthebattery..........133
Replacingtheharddiskdrive.......134
Replacingtheopticaldrive........136
Replacingtheslimcardreader......140
Replacingthesolid-statedrive......143
Replacingthepowersupplyassembly...147
Replacingtheheatsinkandfanassembly..151
Replacingthethermalsensor.......154
Replacingthemicroprocessor.......156
Replacingthesystemboard.......159
Replacingthesystemfanassembly....161
ReplacingthefrontaudioandUSB
assembly...............163
ReplacingtheWi-Fiunits.........165
InstallingorremovingtherearWi-Fi
antenna...............169
InstallingorremovingthefrontWi-Fi
antenna...............171
Replacingthekeyboardormouse.....173
Completingthepartsreplacement.....174
Chapter11.Additionalservice
information.............177
Securityfeatures..............177
Hardware-controlledpasswords......177
Operatingsystempassword.......177
VitalProductData...........177
BIOSlevels................177
Flashupdateprocedures..........177
Updating(ashing)theBIOSfromadisc...178
Updating(ashing)theBIOSfromyour
operatingsystem............179
RecoveringfromaPOSTandBIOSupdate
failure................179
Powermanagement............180
Advancedcongurationandpowerinterface
(ACPI)BIOS..............180
AutomaticPower-onfeatures.......180
AppendixA.Notices.........181
Televisionoutputnotice...........182
EuropeanconformanceCEmark.......182
Trademarks................182
Index.................183
iiThinkCentreE73HardwareMaintenanceManual