You are a desktop support technician for your company. You upgrade the computers from Microsoft Windows XP Professional to Windows Vista. A user is unable to use the Windows Aero theme. You verify that the computer meets the hardware requirements for Windows Aero. You discover that the problem is due to device driver incompatibility. You n eed to ensure that the user cna use the Windows Aero theme on the computer.

What should you do?

A.
Uninstall the display adapter driver.

B.
Install an additional display adapter.

C.
Roll back the display adapter driver to a previous version

D.
Update the display adapter drive to Windows Vista Display Driver Model.