Youaretheadministratorofyourcompany’snetwork.YouinstallWindows2000Professionalon10computersinthegraphicsdepartment.The10computershavebuiltinUSBcontrollers.YouphysicallyinstallaUSBtabletpointingdeviceoneachcomputer.Youinstallthe32-bitmanufacturertabletssoftwareoneachcomputer.Atableticonappearsinthecentralpaneltoconfigurethedevicebutthedevicedoesnotwork.YouwanttheUSBtabletstoworkon10computers.Whatshouldyoudo?（）
A.EnabletheUSBportsintheBIOSandreinstalltheUSBtabletdevicedrivers.
B.EnabletheUSBroothubcontrollerandreinstalltheUSBtabletdevicedrivers.
C.DisabletheUSBerrordetectionfortheUSBroothubcontrollerandenabletheUSBtabletdeviceinthehardwareprofile.
D.ReinstalltheUSBdevicedriversanddisabletheUSBerrordetection.
参考答案：A
OnsomeoldercomputerstheUSBportsmustbeenabledmanuallyintheBIOS
