Computer Hardware User Manual

Symptom
Action
4.(Trainedservicetechnicianonly)Replacethesystem
board.
Keyboard,mouse,andUSBdeviceproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage159
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.
Symptom
Action
Allorsomekeysonthekeyboarddonotwork.1.Ensurethat:
TheUSBkeyboardcableissecurelyconnected
toaUSBconnectorontheserver.IftheUSB
keyboardisconnectedtoaUSBhub,disconnect
thekeyboardfromthehubandconnectitdirectly
totheserver.
Nokeysarestuck.
TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage51
.
2.Restarttheserver.
3.Replacethekeyboard.
Themouseorpointingdevicedoesnotwork.1.Ensurethat:
Themouseorpointingdevicecableissecurely
connectedtotheserver.IftheUSBmouseor
pointingdeviceisconnectedtoaUSBhub,
disconnectthemouseorpointingdevicefromthe
hubandconnectitdirectlytotheserver.
Themouseorpointingdeviceiscleanandnodust
accumulates.
Thedevicedriversareinstalledcorrectly.
TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage51
.
2.Restarttheserver.
3.Replacethemouseorpointingdevice.
AUSBdevicedoesnotwork.
1.Ensurethat:
TheUSBcableissecurelyconnectedtotheserver.
IftheUSBdeviceisconnectedtoaUSBhub,
disconnectthedevicefromthehubandconnect
itdirectlytotheserver.
Thedevicedriversareinstalledcorrectly.
TheUSBcontrollerisenabledintheSetupUtility
program.See“UsingtheSetupUtilityprogram”
onpage51
.
2.Restarttheserver.
3.ReplacetheUSBdevice.
164ThinkServerRD540UserGuideandHardwareMaintenanceManual