•Verifythatanysoftwaresuppliedwiththeserialdeviceiscorrectlyinstalled.Refertothedocumentation
fortheserial-deviceoption.
•Ensurethattheserial-portadapter,ifyouaddedone,isproperlyinstalledandrmlyseated.
USBproblems
Symptom:TheUSBconnectorscannotbeaccessed.
Actions:
•EnsurethattheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,ensurethatitisattachedtoaproperlygroundedelectricaloutlet.
•IftheUSBdevicehasitsownOn/Offswitch,ensurethatitisintheOnposition.
•IftheUSBdevicehasanOnlineswitch,ensurethatitisintheOnlineposition.
•IftheUSBdeviceisaprinter,ensurethatpaperisloadedcorrectly.
•EnsurethatanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
•ResetthedevicebydetachingandreattachingtheUSBconnector.
42LenovoM5800UserGuide
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