单项选择题
You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you find a USB controller there but with a yellow warning icon next to the host controller name. What should you do to resolve this problem？ （）
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.
相关考题
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单项选择题
YouhaveacomputerrunningWindows2000Professional.YouhavepurchasedanewUSBscanner.YouattachedittotheUSBport.WhenyougotodevicemanagertoseethestatusoftheUSBport，YoudidnotfindanyUSBcontrollerthere.YouthenrebootyoursystemandgotosystemBIOSsettingsandenabletheUSBController.Butitisstillmissing.Whatshouldyoudotoresolvethisproblem？（）
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.
E.Reinstall the USB device driver and disable the USB error detection -
单项选择题
YouhaveacomputerrunningWindows2000Professional.YouhavepurchasedanewUSBscanner.YouattachedittotheUSBport.WhenyougotodevicemanagertoseethestatusoftheUSBport，youdidnotfindanyUSBcontrollerthere.Whatshouldyoudotoresolvethisproblem？（）
A.Update the scanner drivers using certified drivers
B.Enable the USB port in the computers BIOS
C.Enable the USB hub controller in device manager.
D.Reinstall the USB device driver and disable the USB error detection -
单项选择题
YouhaveacomputerwithaUSBkeyboardthatisrunningWindows2000Professional.YouinstallaUSBscanneronthissystem.Thesystemasksforthedriverandyouinstallthem.Afteryourestartyourcomputer，younoticethatthekeyboarddoesn’tworkanymore.Whatshouldyoudoinordertomakeboth，thekeyboardandthescannerwork？（）
A.Update the scanner drivers using certified drivers
B.Enable the USB port in the computers BIOS
C.USB keyboards DO NOT exist
D.Enable the USB hub controller
E.Reinstall the USB device driver and disable the USB error detection
