单选题After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）A Check the computer to verify that the jumper settings for USB are correct.B Connect the USB

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单选题

After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）

Check the computer to verify that the jumper settings for USB are correct.

Connect the USB devices to a different computer to test the devices.

Buy new USB wires and test USB functionality.

Check the BIOS to verify that USB functionality is enabled.

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单选题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 did not find any USB controller there. You then reboot your system and go to system BIOS settings and enable the USB Controller. But it is still missing. What should you do to resolve this problem？（）A Update the scanner drivers using certified driversB 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

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单选题You are the network administrator for your company. A user reports that the USB ports on his Windows 2000 Professional portable computer function only when the portable computer is in its docked position at the office. He asks you to configure the computer so that the USB port works when the portable computer is docked and when it is undocked and running on battery power. You verify that the portable computer supports ACPI power management. What should you do？（）A Modify the portable computer’s power management settings to ensure the USB ports are not shut down when the computer is running on battery power. B Modify the portable computer’s BIOS settings to disable ACPI when the computer is running on battery power. C Modify the portable computer’s undocked hardware profile, and enable the USB root hub. D Disable the BIOS power management features in the portable computer’s BIOS settings. E Obtain external power supplies for the user’s USB devices. Ensure that these power supplies are connected when the portable computer is undocked. F Undock the portable computer, and reinstall the drivers for the USB port.

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相关问题 3：

单选题After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）A Check the computer to verify that the jumper settings for USB are correct.B Connect the USB devices to a different computer to test the devices.C Buy new USB wires and test USB functionality.D Check the BIOS to verify that USB functionality is enabled.

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单选题You are the administrator of your company’s network. You install Windows 2000 Professional on 10 computers in the graphics department. The 10 computers have built in USB controllers. You physically install a USB tablet pointing device on each computer. You install the 32-bit manufacturer tablets software on each computer. A tablet icon appears in the central panel to configure the device but the device does not work. You want the USB tablets to work on 10 computers. What should you do?（）A Enable the USB ports in the BIOS and reinstall the USB tablet device drivers.B Enable the USB root hub controller and reinstall the USB tablet device drivers.C Disable the USB error detection for the USB root hub controller and enable the USB tablet device in the hardware profile.D Reinstall the USB device drivers and disable the USB error detection.

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多选题You have a computer that runs Windows 7. The computer is joined to a domain. You need to ensure thatonly approved USB drives can be used on the computer. Which two policy settings should you configure?(Each correct answer presents part of the solution.（）AEnable Prevent installation of removable devices.BEnable Prevent installation of devices not described by other policy settings.CEnable Prevent installation of devices that match any of these device IDs and enter the device ID for theapproved USB drives.DEnable Allow installation of devices that match any of these device IDs and enter the device ID for theapproved USB drives.

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单选题After setting up a new computer, a user states that the mouse and keyboard will not work. Whichof the following is the MOST likely reason?（）A The network cable is disconnectedB The PS/2 connectors are switchedC The USB connectors are switchedD The hard drive is unplugged

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单选题You have a USB drive. You connect the drive to a computer that runs Windows XP Professional Service Pack 2 (SP2). You discover that after 15 minutes, the USB drive fails to appear in My Computer. You need to ensure that the USB drive appears in My Computer. What should you do?（）A At the command prompt, run defrag.exe -f.B At the command prompt, run chkdsk.exe /f. C From Disk Management, assign a drive letter to the USB drive. D Delete the usbui.dll file from the computer, and then restart the computer.

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单选题After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）A Check the computer to verify that the jumper settings for USB are correct.B Connect the USB

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