单项选择题
A.Check for the latest video drivers.
B.Install a known-good video adapter.
C.Attach the monitor to a known-good computer.
D.Replace the monitor.
单项选择题 WhenrebootingacomputerrunningWindowsXPHome，atechnicianobservesanerrormessagestating，“illegalI/Oportaddress.”Whichofthefollowingcanbedonetoresolvethiserror？（）
单项选择题 Whichofthefollowingwouldbeanexampleofabiometricdevice？（）
单项选择题 ToforceausertouseCtrl-Alt-Deletetologintothecomputer，atechniciancangotoControlPanelthen：（）