单项选择题

A.Check for the latest video drivers.B.Install a known-……

When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？（）

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.

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热门试题

单项选择题WhenrebootingacomputerrunningWindowsXPHome，atechnicianobservesanerrormessagestating，“illegalI Oportaddress.”Whichofthefollowingcanbedonetoresolvethiserror？（）

A.Upgrade the motherboard BIOS.
B.Upgrade to Windows XP Professional.
C.Upgrade the CPU on the motherboard.
D.Return to Windows 2000 Professional.

单项选择题Whichofthefollowingwouldbeanexampleofabiometricdevice？（）

A.USB security key
B.smart card reader
C.thumb print reader
D.encryption password

单项选择题ToforceausertouseCtrl-Alt-Deletetologintothecomputer，atechniciancangotoControlPanelthen：（）

A.Accessibility options.
B.Security Center.
C.User accounts and the Advanced tab.
D.Windows Firewall.

单项选择题AtechnicianislockedoutofadesktopsBIOSbecauseofaforgottenpassword.Whichofthefollowingisamethodofremovingthepassword？（）

A.Replace the power supply unit.
B.Reseat the systems memory.
C.Reset the proper jumper.
D.Re-install the operating system.

单项选择题Whichofthefollowingistherecommendedmaintenanceforalaserprinter？（）

A.Clean all fan filters； wipe down the paper path and re-adjust the corona wire.
B.Clean all pickup rollers； re-adjust the corona wire and replace the fuser assembly.
C.Clean all pickup rollers； replace the fuser assembly and clean all fan filters.
D.Clean all pickup rollers； wipe down the paper path and clean all fan filters.