You manage several computers that run Windows 7.

A user wants to roll back a driver.

The user opens the device properties in Device Manager and discovers that the Roll Back Driver option is unavailable.

You connect to the computer by using Windows Remote Assistance.

You need to roll back the driver to its previous version.

What should you do first?

A.
Add the user to the Power Users group.

B.
Right-click Device Manager and select Run as administrator.

C.
From System Properties, modify Device Installation Settings.

D.
From the Local Group Policy, modify Device Installation Restrictions.

Explanation:
You can open Device Manager on a computer running Windows 7 while logged on with any account. However, by default, only administrators can make changes to devices and install, uninstall, and roll back drivers.