You are a desktop support technician for your company. All client computers run Windows XP Professional with Service Pack 2 (SP2) and are part of an Active Directory domain.

A user cannot install a USB hard disk drive on his computer. When he plugs the USB hard disk drive into the computer, nothing appears on the screen. This device is the first USB device the user has connected to the computer. However, he can use the USB hard disk drive at home on a computer that runs Windows XP Home Edition.

You instruct the user to check for conflicts in Device Manager. The user does not find any conflicts or any reference to Universal Serial Bus controllers. The user needs to resolve the problem.

Which action or actions should you instruct the user to perform? (Choose all that apply.)

A.
Replace the USB adapter in the computer.

B.
Request permission from an administrator to use removable devices.

C.
Replace the hard disk drive.

D.
Enable the USB controller in the BIOS.