You attach a USB camera to your Windows 2000 Professional computer. Windows 2000 Professional detects the camera and prompts you to install the manufacturer’s device driver. You do it， and then you restart the computer. When Win2000 Professional loads， you notice that your USB keyboard does not respond. You suspect that the camera drivers are not certified for Win2000 Professional. You want to configure your computer to enable your use keyboard and to prevent uncertified drivers from being installed in the future. What should you do？ （）

• A、Configure Windows 2000 Professional to enable driver signing.
• B、Configure Windows 2000 Professional to disable driver signing.
• C、Start the computer by using the recovery console， restore the system state data.
• D、Start the computer in safe mode， replace the camera driver with a Windows 2000 Professional driver by using Device Manager.
• E、Start the computer in debug mode， replace the camera driver with a Windows 2000 Professional driver by using Device Manager.