You have a computer that runs Windows 7. You update the driver for the computer s video card and thecomputer becomes unresponsive. You need recover the computer in the minimum amount  if time.  What should you do?（）

• A、Restart in safe mode and then roll back the video card driver.
• B、Restart in safe mode and then revert the computer to a previous restore point.
• C、Start the computer from the Windows 7 installation media. Select Repair your computer and then selectSystem Restore.
• D、Start the computer from the Windows 7 installation media. Select Repair your computer and then selectSystem Image Recovery.