单项选择题
A. Change resolution on laptop
B. Toggle FN key and external monitor key
C. Try a different monitor type
D. Try using a different monitor cable
单项选择题 Which of the following is the administrator’s profile path in Windows 2000?（）
单项选择题 A client needs to be able to install a new local printer, but does not currently have permission to do so. Which of the following is the BEST user group to put the client in, to allow the printer to be installed?（）
单项选择题 Which of the following commands will repair boot sector blocks after a virus has been removed?（）