Lenovo ThinkCentre Edge 92 - Page 4

LocatingmajorFRUsandCRUs......78
LookingupFRUinformation.......80
Locatingpartsonthesystemboard....81
Locatinginternaldrives.........82
Chapter9.ReplacingFRUs(machine
types:3376,3378,and3387).....83
Handlingstatic-sensitivedevices.......83
Installingorreplacinghardware........83
Removingthecomputercover.......83
Removingandreinstallingthefrontbezel..84
InstallingorreplacingaPCIcard......86
Installingorreplacingamemorymodule...89
Replacingthebattery..........91
Replacingtheprimaryharddiskdrive....92
Replacingtheopticaldrive........94
Replacingthepowersupplyassembly...97
Replacingtheheatsinkandfanassembly..99
Replacingthemicroprocessor.......101
Replacingthesystemboard.......103
Replacingtherearfan..........106
ReplacingthefrontaudioandUSB
assembly...............108
ReplacingtheWiFiunits.........109
InstallingorremovingtherearWiFiantenna..115
InstallingorremovingthefrontWiFi
antenna...............116
Completingthepartsreplacement.....118
Chapter10.ReplacingFRUs(machine
types:3377,3386,and3388)....121
Handlingstatic-sensitivedevices.......121
Installingorreplacinghardware........121
Removingthecomputercover.......121
Removingandreinstallingthefrontbezel..122
Accessingthesystemboardcomponentsand
drives................124
InstallingorreplacingaPCIcard......125
Installingorreplacingamemorymodule...127
Replacingthebattery..........129
Replacingtheharddiskdrive.......130
Replacingtheopticaldrive........132
Replacingthepowersupplyassembly...136
Replacingtheheatsinkandfanassembly..140
Replacingthemicroprocessor.......143
Replacingthesystemboard.......146
Replacingthesystemfanassembly....148
ReplacingthefrontaudioandUSB
assembly...............150
ReplacingtheWiFiunits.........151
InstallingorremovingtherearWiFiantenna..156
InstallingorremovingthefrontWiFi
antenna...............158
Completingthepartsreplacement.....160
Chapter11.Additionalservice
information.............163
Securityfeatures..............163
Hardware-controlledpasswords......163
Operatingsystempassword.......163
VitalProductData...........163
BIOSlevels................163
Updating(ashing)theBIOSfromadisc....163
Updating(ashing)theBIOSfromyouroperating
system..................164
RecoveringfromaPOST/BIOSupdatefailure..164
Powermanagement............165
AdvancedCongurationandPowerInterface
(ACPI)BIOS..............165
AutomaticPower-Onfeatures.......165
AppendixA.Notices.........167
Televisionoutputnotice...........168
EuropeanconformanceCEmark.......168
Trademarks................168
Index.................169
iiThinkCentreEdgeHardwareMaintenanceManual