单项选择题
A. Roll back the driver.
B. Install the original video card and reboot.
C. Delete the monitor.
D. Remove the video card and reboot.
单项选择题 Where can a user find the System32 folder on a Windows Vista x64 system?（）
单项选择题 A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）
单项选择题 A display on a laptop has become very dim, almost unable to be seen. Which of the followingcomponents is the MOST likely cause of this problem?（）