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Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thisactionstepisreservedforatrained
servicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Ensurethat:
Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Memorymodule
installationrules”onpage95
.
Youfollowedthememorymoduleinstallation
rules.See“Memorymoduleinstallationrules”on
page95
.
Allmemorymodulesareseatedcorrectlyand
securely.
Thesystemrmwareisup-to-date.
2.Reinstallthememorymodules.
3.Replacethesuspectmemorymodules.
4.(Trainedservicetechnicianonly)Replacethesystem
board.
Keyboard,mouse,andUSBdeviceproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage179
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.
Symptom
Action
Allorsomekeysonthekeyboarddonotwork.1.Ensurethat:
TheUSBkeyboardcableissecurelyconnected
toaUSBconnectorontheserver.IftheUSB
keyboardisconnectedtoaUSBhub,disconnect
thekeyboardfromthehubandconnectitdirectly
totheserver.
Nokeysarestuck.
TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage59
.
2.Restarttheserver.
3.Replacethekeyboard.
Themouseorpointingdevicedoesnotwork.1.Ensurethat:
Themouseorpointingdevicecableissecurely
connectedtotheserver.IftheUSBmouseor
pointingdeviceisconnectedtoaUSBhub,
disconnectthemouseorpointingdevicefromthe
hubandconnectitdirectlytotheserver.
Themouseorpointingdeviceiscleanandnodust
accumulates.
Thedevicedriversareinstalledcorrectly.
TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage59
.
2.Restarttheserver.
Chapter7.Troubleshootinganddiagnostics183
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