Diagnosingaproblem..........85
Undocumentedproblems........87
Servicebulletins..............87
Checkoutprocedure............88
Aboutthecheckoutprocedure......88
Performingthecheckoutprocedure....88
Diagnostictools..............89
ErrorLEDs..............91
Power-supplyLEDs...........93
SystempulseLEDs...........95
Eventlogs...............96
POST................98
IBMDynamicSystemAnalysis......98
Automatedservicerequest(callhome).....101
IBMElectronicServiceAgent.......101
Errormessages..............101
Troubleshootingbysymptom.........101
Generalproblems............102
Harddiskdriveproblems.........102
DVDdriveproblems...........104
Intermittentproblems..........105
Keyboard,mouse,orUSB-device
problems...............106
Memoryproblems...........106
Microprocessorproblems........107
Monitorproblems............108
Networkconnectionproblems.......110
Optional-deviceproblems........110
Powerproblems............111
Serialportproblems...........112
ServerGuideproblems..........113
Softwareproblems...........114
UniversalSerialBus(USB)portproblems..114
Solvingpowerproblems...........114
SolvingEthernetcontrollerproblems......115
Solvingundeterminedproblems........116
Problemdeterminationtips..........116
Recoveringtheserverfirmware(UEFIupdate
failure)..................118
In-bandmanualrecoverymethod.....118
In-bandautomatedbootrecoverymethod..120
Out-of-bandmethod..........120
Automatedbootrecovery(ABR)........120
Nx-bootfailure...............120
Chapter5.Partslisting,Lenovo
Systemx3250M4Type2583....123
Replaceableservercomponents........123
Powercords...............128
Chapter6.Removingandreplacing
components.............131
Returningadeviceorcomponent.......131
Removingandreplacingservercomponents...131
RemovingandreplacingTier1CRUs......131
Removingthecover...........131
Replacingthecover...........132
Removingthebezel...........133
Replacingthebezel...........134
Removingtheairbaffle.........135
Replacingtheairbaffle.........135
RemovingthePCIriser-cardassembly...136
ReplacingthePCIriser-cardassembly...137
Removinganadapter..........138
Replacinganadapter..........139
RemovingaServeRAIDadapter......142
ReplacingaServeRAIDadapter......143
Removingasimple-swapharddiskdrive..145
Replacingasimple-swapharddiskdrive..147
Removingahot-swapharddiskdrive....148
Replacingahot-swapharddiskdrive....149
RemovingtheoptionalDVDdrive.....150
ReplacingtheoptionalDVDdrive.....152
RemovingaDIMM...........154
Memorymoduleinstallation........155
Removingasystemfan.........159
Replacingasystemfan.........160
Removingthesystembattery.......161
Replacingthesystembattery.......163
Removingahot-swappowersupply....165
Replacingahot-swappowersupply....167
RemovingandreplacingTier2CRUs......168
RemovingtheDVDdrivecable......169
ReplacingtheDVDdrivecable......169
Removingtheoperatorinformationpanel
assembly...............170
Replacingtheoperatorinformationpanel
assembly...............171
Removingthesimple-swapharddiskdrive
backplateassembly...........172
Replacingthesimple-swapharddiskdrive
backplateassembly...........172
ReplacingsoftwareRAIDsimple-swaphard
diskdrivebackplatewithhardwareRAID
simple-swapharddiskdrivebackplate...173
Removingthehot-swapharddiskdrive
backplane...............179
Replacingthehot-swapharddiskdrive
backplane...............180
Removingandreplacingstructuralparts....182
Removingthefixedpowersupply.....182
Replacingthefixedpowersupply.....183
iiLenovoSystemx3250M4InstallationandServiceGuide