Lenovo ThinkServer RD550 - Page 174

Symptom
Action
3.Replacethemouseorpointingdevice.
AUSBdevicedoesnotwork.
1.Ensurethat:
•TheUSBcableissecurelyconnectedtotheserver.
IftheUSBdeviceisconnectedtoaUSBhub,
disconnectthedevicefromthehubandconnect
itdirectlytotheserver.
•Thedevicedriversareinstalledcorrectly.
•TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage47
.
2.Restarttheserver.
3.ReplacetheUSBdevice.
160ThinkServerRD550UserGuideandHardwareMaintenanceManual