Due to slow backup response， an administrator installed a new driver for the SCSI card. After a server reboot the device is not working properly.  Which of the following is the BEST course of action？（）

• A、Reboot the server and restore files using ASR.
• B、In Device Manager， locate the device， and click Roll Back Driver at the driver tab.
• C、Restore the driver from the previous backup tape.
• D、Go to Device Manager， locate the device， and click Restore Previous Driver at the driver tab.