单项选择题
A.Update the scanner drivers using certified drivers
B.Enable the USB port in the computers BIOS again.
C.Contact the maker or vendor for you system and obtain the current version of BIOS.
D.Enable the USB hub controller in device manager.
单项选择题 YouhaveacomputerrunningWindows2000Professional.YouhavepurchasedanewUSBscanner.YouattachedittotheUSBport.WhenyougotodevicemanagertoseethestatusoftheUSBport,YoudidnotfindanyUSBcontrollerthere.YouthenrebootyoursystemandgotosystemBIOSsettingsandenabletheUSBController.Butitisstillmissing.Whatshouldyoudotoresolvethisproblem?()
单项选择题 YouhaveacomputerrunningWindows2000Professional.YouhavepurchasedanewUSBscanner.YouattachedittotheUSBport.WhenyougotodevicemanagertoseethestatusoftheUSBport,youdidnotfindanyUSBcontrollerthere.Whatshouldyoudotoresolvethisproblem?()
单项选择题 YouhaveacomputerwithaUSBkeyboardthatisrunningWindows2000Professional.YouinstallaUSBscanneronthissystem.Thesystemasksforthedriverandyouinstallthem.Afteryourestartyourcomputer,younoticethatthekeyboarddoesn’tworkanymore.Whatshouldyoudoinordertomakeboth,thekeyboardandthescannerwork?()