•GototheIBMsupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table21.Intermittentproblemsandactions
SymptomAction
Aproblemoccursonly
occasionallyandisdifficultto
diagnose.
1.Makesurethat:
•Allcablesandcordsareconnectedsecurelytotherearoftheserverand
attacheddevices.
•Whentheserveristurnedon,airisflowingfromthefangrille.Ifthereis
noairflow,thefanisnotworking.Thiscancausetheservertooverheat
andshutdown.
2.Checkthesystem-errorlogorIMM2.1eventlogs(see“Eventlogs”onpage139).
Keyboard,mouse,orUSB-deviceproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheIBMsupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table22.Keyboard,mouse,orUSB-device'ssymptomsandactions
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
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheIBMsupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
148Systemx3500M5InstallationandServiceGuide