单项选择题
A technician receives a laptop work order stating that the mouse pointer from the touchpad is moving randomly around the screen. Which of the following should the technician do FIRST？（）
A.Reboot the computer.
B.Replace the touchpad.
C.Clean the touchpad.
D.Update the driver.
点击查看答案
相关考题
-
单项选择题
Atechnicianisperformingpreventivemaintenanceonthehardwarecomponentsinaworkstation.Whichofthefollowingactionsshouldthetechniciantake？（）
A.Remove the case front and clean the air vents.
B.Unplug the capacitors from the board and clean the contacts.
C.Remove the processor and clean the pins with an eraser.
D.Remove the processor and clean any dust that has collected between the processor and the heatsink. -
单项选择题
Acustomerhassecurityconcernsaboutclassifiedlocaldatabeingcompromisedifthelaptopisstolen.ThecustomerslaptophasWindows2000utilizingtheFAT16filesystem.Whichofthefollowingactionsshouldbetaken？（）
A.Upgrade the operating system to Windows XP Home.
B.Have the customer convert to NTFS and enable data encryption.
C.Tell the customer that a laptop should not be used for classified data.
D.Configure the wireless adapter to only connect to secure networks. -
单项选择题
Whichofthefollowingrepresentsasafetyhazard？（）
A.liquid on the floor
B.a tiled floor
C.a concrete floor
D.carpet
