
Troubleshooting..............69
Startupprobles............69
Audioprobles............70
CDprobles.............71
DVDprobles.............71
Interittentprobles..........72
Storagedriveprobles.........72
Networkingprobles..........73
Perforanceprobles..........75
Serialconnectorcannotbeaccessed....76
USBdeviceprobles..........76
Softwareanddriverprobles.......76
Diagnostics................77
LenovoSolutionCenter.........77
UEFIdiagnosticprogra.........77
Recoveryinforation............78
RecoveryinforationforWindows7....78
RecoveryinforationforWindows10....79
Chapter8.Servicecheckoutand
symptom-to-FRUindex........81
Servicecheckout..............81
Probledeterinationtips........81
Sypto-to-FRUindex...........82
Harddiskdrivebooterror........82
Powersupplyprobles.........83
Beepsyptos............83
POSTerrorcodes............83
Miscellaneouserrorconditions......84
Undeterinedprobles.........86
Chapter9.Installingorreplacing
hardware...............87
Handlingstatic-sensitivedevices.......87
Installingorreplacinghardware........87
Installingexternaloptions........87
Reovingthecoputercover.......88
Replacingthefrontbezel.........88
ReplacingthefrontaudioandUSB
assebly...............90
ReplacingtheUSBassebly.......93
Replacingthecardreader........96
Replacingtheinternalspeaker.......99
Replacingthetheralsensor.......101
Replacingtheopticaldrive........104
Replacingthecoverpresenceswitch....105
Replacingthestoragedrive........106
Replacingthefrontfan..........117
Replacingaeoryodule.......120
ReplacingthePCIcard.........124
ReplacingthePCIadaptercard......125
ReplacingtheWi-Ficard.........126
ReplacingtheWi-Fiantenna.......130
ReplacingaPCIExpresscard.......134
Replacingthecoin-cellbattery......136
Replacingtheheatsinkandfanassebly..137
Replacingtheicroprocessor.......139
Replacingthesysteboard.......141
Replacingthepowersupplyassebly...144
Copletingthepartsreplaceent.....147
Chapter10.Gettinginformation,help,
andservice.............149
Inforationresources............149
Accessingtheuserguideinvarious
languages...............149
Windowshelpsyste..........149
Safetyandwarranty...........149
LenovoWebsite............149
LenovoSupportWebsite.........150
Frequentlyaskedquestions........150
Helpandservice..............150
Callingforservice............150
Usingotherservices..........151
Purchasingadditionalservices......151
AppendixA.Regulatory
information.............153
Exportclassificationnotice..........153
Electroniceissionsnotices.........153
FederalCounicationsCoission
DeclarationofConfority........153
Eurasiancoplianceark..........155
Brazilaudionotice.............155
Mexicowireless-radiocoplianceinforation..155
Additionalregulatoryinforation.......155
AppendixB.WEEEandrecycling
information.............157
IportantWEEEinforation.........157
RecyclinginforationforJapan........157
RecyclinginforationforBrazil........158
BatteryrecyclinginforationforTaiwan.....158
BatteryrecyclinginforationfortheEuropean
Union..................158
AppendixC.RestrictionofHazardous
SubstancesDirective(RoHS)....161
EuropeanUnionRoHS...........161
TurkishRoHS...............161
UkraineRoHS...............161
IndiaRoHS................161
ChinaRoHS................162
iiThinkCentreM800andM900HardwareMaintenanceManual