Lenovo System x3650 M5 - Memory Problems

•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•Gotothesupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Allorsomekeysonthe
keyboarddonotwork.
1.Makesurethat:
•Thekeyboardcableissecurelyconnected.
•Theserverandthemonitorareturnedon.
2.IfyouareusingaUSBkeyboard,runtheSetupUtilityandenablekeyboardless
operation.
3.IfyouareusingaUSBkeyboardanditisconnectedtoaUSBhub,disconnect
thekeyboardfromthehubandconnectitdirectlytotheserver.
4.Replacethekeyboard.
ThemouseorUSB-device
doesnotwork.
1.Makesurethat:
•ThemouseorUSBdevicecableissecurelyconnectedtotheserver.
•ThemouseorUSBdevicedriversareinstalledcorrectly.
•Theserverandthemonitorareturnedon.
•ThemouseoptionisenabledintheSetupUtility.
2.IfyouareusingaUSBmouseorUSBdeviceanditisconnectedtoaUSB
hub,disconnectthemouseorUSBdevicefromthehubandconnectitdirectly
totheserver.
3.ReplacethemouseorUSB-device.
Memoryproblems
Usethetroubleshootingtablestofindsolutionstoproblemsthathaveidentifiablesymptoms.
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•Gotothesupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Theamountofsystemmemory
thatisdisplayedislessthan
theamountofinstalledphysical
memory.
Note:EachtimeyouinstallorremoveaDIMM,youmustdisconnecttheserverfrom
thepowersource;then,wait10secondsbeforerestartingtheserver.
1.Makesurethat:
•NoerrorLEDsarelitontheoperatorinformationpanel.
•NoDIMMerrorLEDsarelitonthesystemboard.
•Memorymirroredchanneldoesnotaccountforthediscrepancy.
•Thememorymodulesareseatedcorrectly.
•Youhaveinstalledthecorrecttypeofmemory.
•Ifyouchangedthememory,youupdatedthememoryconfigurationinthe
SetupUtility.
•Allbanksofmemoryareenabled.Theservermighthaveautomatically
disabledamemorybankwhenitdetectedaproblem,oramemorybank
mighthavebeenmanuallydisabled.
88LenovoSystemx3650M5InstallationandServiceGuide