Lenovo ThinkServer RD340 - Page 193

Notes:
•Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter6
“Installing,removing,orreplacinghardware”onpage73
.
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thisactionstepisreservedforatrained
servicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Ensurethat:
•Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Memorymodule
installationrules”onpage81
.
•Youfollowedthememorymoduleinstallation
rules.See“Memorymoduleinstallationrules”on
page81
.
•Allmemorymodulesareseatedcorrectlyand
securely.
•Thesystemfirmwareisup-to-date.
2.Reinstallthememorymodules.
3.Replacethesuspectmemorymodules.
4.(Trainedservicetechnicianonly)Replacethesystem
board.
Keyboard,mouse,andUSBdeviceproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage177
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.
Symptom
Action
Allorsomekeysonthekeyboarddonotwork.1.Ensurethat:
•TheUSBkeyboardcableissecurelyconnected
toaUSBconnectorontheserver.IftheUSB
keyboardisconnectedtoaUSBhub,disconnect
thekeyboardfromthehubandconnectitdirectly
totheserver.
•Nokeysarestuck.
•TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage51
.
2.Restarttheserver.
3.Replacethekeyboard.
Themouseorpointingdevicedoesnotwork.1.Ensurethat:
•Themouseorpointingdevicecableissecurely
connectedtotheserver.IftheUSBmouseor
pointingdeviceisconnectedtoaUSBhub,
disconnectthemouseorpointingdevicefromthe
hubandconnectitdirectlytotheserver.
•Themouseorpointingdeviceiscleanandnodust
accumulates.
•Thedevicedriversareinstalledcorrectly.
Chapter7.Troubleshootinganddiagnostics181