Lenovo ThinkServer RD230 Uživatelský manuál Strana 107

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Softwareproblems
FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
Yoususpectasoftware
problem.
1.Todeterminewhethertheproblemiscausedbythesoftware,makesurethat:
Theserverhastheminimummemorythatisneededtousethesoftware.For
memoryrequirements,seetheinformationthatcomeswiththesoftware.
Ifyouhavejustinstalledanadapterormemory,theservermighthavea
memory-addressconict.
Thesoftwareisdesignedtooperateontheserver.
Othersoftwareworksontheserver.
Thesoftwareworksonanotherserver.
2.Ifyoureceiveanyerrormessageswhileyouusethesoftware,seethe
informationthatcomeswiththesoftwareforadescriptionofthemessagesand
suggestedsolutionstotheproblem.
3.Contactthesoftwarevendor.
UniversalSerialBus(USB)portproblems
FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
AUSBdevicedoesnotwork.
1.Makesurethat:
ThecorrectUSBdevicedriverisinstalled.
TheoperatingsystemsupportsUSBdevices.
AstandardPS/2keyboardormouseisnotconnectedtotheserver.Ifitis,a
USBkeyboardormousewillnotworkduringthePOST.
2.MakesurethattheUSBcongurationoptionaldevicesaresetcorrectlyinthe
SetupUtilityprogram.
3.IfyouareusingaUSBhub,disconnecttheUSBdevicefromthehuband
connectitdirectlytotheserver.
Solvingpowerproblems
Powerproblemscanbedifculttosolve.Forexample,ashortcircuitcanexistanywhereonanyofthe
powerdistributionbuses.Usually,ashortcircuitwillcausethepowersubsystemtoshutdownbecauseof
anovercurrentcondition.Todiagnoseapowerproblem,usethefollowinggeneralprocedure:
1.Turnofftheserveranddisconnectallacpowercords.
2.Checkforloosecablesinthepowersubsystem.Alsocheckforshortcircuits,forexample,ifaloose
screwiscausingashortcircuitonacircuitboard.
Chapter7.Troubleshooting95
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