LookingupFRUinformation.......70
Locatingpartsonthesystemboard....71
Locatinginternaldrives.........72
Formachinetypes:2113,2114,2115,3515,4860,
4863,4865,4866,4869,5100,10BS,10BT,and
10BU..................73
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......73
Locatingconnectorsontherearofyour
computer...............74
LocatingmajorFRUsandCRUs......74
LookingupFRUinformation.......76
Locatingpartsonthesystemboard....77
Locatinginternaldrives.........78
Chapter9.ReplacingFRUs(machine
types:1562,1565,1662,1663,1765,
1766,2011,2110,2111,2112,10BN,
10BQ,and10BR)...........79
Handlingstatic-sensitivedevices.......79
Installingorreplacinghardware........79
Installingexternaloptions........79
Removingthecomputercover.......80
Removingandreinstallingthefrontbezel..81
InstallingorreplacingaPCIcard......82
Installingorreplacingamemorymodule...85
Installingorreplacingtheopticaldrive...87
Installingorreplacingthecardreader....89
Replacingthepowerswitchunit......93
Replacingthebattery..........97
Replacingthepowersupplyassembly...98
Replacingtheheatsinkandfanassembly..100
Replacingthemicroprocessor.......102
Replacingthesystemboard.......104
Replacingtheprimaryharddiskdrive....105
Replacingthesecondaryharddiskdrive...108
Installingthesolidstatedrive.......110
Replacingthefrontfanassembly.....111
Replacingtherearfanassembly......113
ReplacingthefrontaudioandUSB
assembly...............115
Replacingtheinternalspeaker.......116
Replacingthethermalsensor.......118
Replacingthecoverpresenceswitch....120
ReplacingtheWiFiunits.........122
InstallingorremovingtherearWiFiantenna..128
InstallingorremovingthefrontWiFi
antenna...............129
Replacingthekeyboardormouse.....131
Completingthepartsreplacement.....132
Chapter10.ReplacingFRUs(machine
types:2113,2114,2115,3515,4860,
4863,4865,4866,4869,5100,10BS,
10BT,and10BU)...........135
Handlingstatic-sensitivedevices.......135
Installingorreplacinghardware........135
Installingexternaloptions........135
Openingthecomputercover.......136
Removingandreinstallingthefrontbezel..136
Accessingthesystemboardcomponentsand
drives................138
Installingorreplacingamemorymodule...139
InstallingorreplacingaPCIcard......141
Installingorreplacingthecardreader....143
Replacingthepowerswitchunit......148
Replacingthebattery..........150
Replacingtheharddiskdrive.......151
Installingthesolidstatedrive.......154
Replacingtheopticaldrive........156
Replacingtheheatsinkandfanassembly..158
Replacingthepowersupplyassembly...161
Replacingthemicroprocessor.......166
Replacingthesystemboard.......169
Replacingthecoverpresenceswitch....170
Replacingtheinternalspeaker.......172
Replacingthethermalsensor.......174
ReplacingthefrontaudioandUSB
assembly...............177
ReplacingtheWiFiunits.........178
InstallingorremovingtherearWiFiantenna..182
InstallingorremovingthefrontWiFi
antenna...............184
Replacingthekeyboardormouse.....187
Completingthepartsreplacement.....187
Chapter11.Additionalservice
information.............189
Securityfeatures..............189
Hardware-controlledpasswords......189
Operatingsystempassword.......189
VitalProductData...........189
BIOSlevels................189
Flashupdateprocedures..........189
Updating(ashing)theBIOSfromadisc...190
Updating(ashing)theBIOSfromyour
operatingsystem............191
RecoveringfromaPOST/BIOSupdate
failure................191
Powermanagement............192
AdvancedCongurationandPowerInterface
(ACPI)BIOS..............192
AutomaticPower-onfeatures.......192
iiThinkCentreM78HardwareMaintenanceManual