Lenovo ThinkServer - Memory Module Problems; Keyboard, Mouse, or USB Device Problems

Memorymoduleproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage
167forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.Iftheproblem
cannotbesolvedbyyourself,seektechnicalassistance.SeeChapter8“Gettinginformation,help,and
service”onpage175
.
Notes:
1.Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter6
“Installing,removing,orreplacinghardware”onpage83.
2.Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thisactionstepisreservedfora
trainedservicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Makesurethat:
•Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Features”onpage
7.
•Youfollowthememorymoduleinstallationrules.
See“Memorymoduleinstallationrules”onpage
90.
•Allmemorymodulesareseatedcorrectlyand
securely.
•Thesystemrmwareisup-to-date.
2.Runanydiagnosticprogramstotestthememory
modules.
3.Reinstallthememorymodules.
4.Replacethesuspectmemorymodules.
5.(Trainedservicetechnicianonly)Replacethesystem
board.
Keyboard,mouse,orUSBdeviceproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage167
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.
Symptom
Action
Allorsomekeysonthekeyboarddonotwork.1.Makesurethat:
•TheUSBkeyboardcableissecurelyconnected
toaUSBconnectorontheserver.IftheUSB
keyboardisconnectedtoaUSBhub,disconnect
thekeyboardfromthehubandconnectitdirectly
totheserver.
•Nokeysarestuck.
•TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage55
.
2.Restarttheserver.
172ThinkServerUserGuide