Lenovo x3250 m6 - Keyboard, Mouse, or USB-Device Problems; Memory Problems

Keyboard,mouse,orUSB-deviceproblems
Table13.Keyboard,mouse,orUSB-devicesymptomsandactions
SymptomAction
Allorsomekeysonthe
keyboarddonotwork.
1.Makesurethat:
•Thekeyboardcableissecurelyconnected.
•Theserverandthemonitorareturnedon.
2.RuntheSetupUtilityandenabletheUSBdeviceoption.
3.IfthekeyboardtisconnectedtoaUSBhub,disconnectthekeyboardfromthe
hubandconnectitdirectlytotheserver.
4.Replacethekeyboard.
ThemouseorUSB-device
doesnotwork.
1.Makesurethat:
•ThemouseorUSBdevicecableissecurelyconnectedtotheserver.
•ThemouseorUSBdevicedriversareinstalledcorrectly.
•Theserverandthemonitorareturnedon.
•ThemouseoptionisenabledintheSetupUtility.
2.IfyouareusingaUSBmouseorUSBdeviceanditisconnectedtoaUSB
hub,disconnectthemouseorUSBdevicefromthehubandconnectitdirectly
totheserver.
3.ReplacethemouseorUSBdevice.
Memoryproblems
Note:EachtimeyouinstallorremoveaDIMM,youmustdisconnecttheserverfromthepowersource;
then,wait10secondsbeforerestartingtheserver.
Table14.Memoryproblemsandactions
SymptomAction
Theamountofsystemmemory
thatisdisplayedinSetupUtility
islessthantheamountof
installedphysicalmemory.
1.Makesurethat:
•NoerrorLEDsarelitontheoperatorinformationpanel.
•NoDIMMerrorLEDsarelitonthesystemboard.
•Thememorymodulesareseatedcorrectly.
•Youhaveinstalledthecorrecttypeofmemory.
•Ifyouchangedthememory,youupdatedthememoryconfigurationinthe
SetupUtility.
•Allbanksofmemoryareenabled.Theservermighthaveautomatically
disabledamemorybankwhenitdetectedaproblem,oramemorybank
mighthavebeenmanuallydisabled.
•Thereisnomemorymismatchwhentheserverisattheminimummemory
configuration.
2.ReseattheDIMMs,andthenrestarttheserver.
3.CheckthePOSTerrorlog:
•IfaDIMMwasdisabledbyasystem-managementinterrupt(SMI),replace
theDIMM.
•IfaDIMMwasdisabledbytheuserorbythePOST,reseattheDIMM;then,
runtheSetupUtilityandenabletheDIMM.
4.CheckthatallDIMMsareinitializedintheSetupUtility;then,runmemory
diagnostics.See“RunningDSAPrebootdiagnosticprogram”onpage59.
Chapter5.Troubleshooting65