单项选择题
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）
A.Move the power supply voltage switch to 220 volts.
B.Add an additional fan to help cool the computer.
C.Replace the cable that attaches the power supply to the motherboard.
D.Replace the power supply.
相关考题
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单项选择题
AtechnicianreceivesaworkorderrequestingtheinstallationofanNLXmotherboardintoamicroATXcase.Whichofthefollowingshouldthetechnicianrecognize？（）
A.A standard ATX power supply will not be able to connect to the NLX adapter.
B.The system will not start up.
C.The case is too small for the motherboard.
D.The motherboard was not meant for this style of case. -
单项选择题
WheninstallinganewPlugandPlaysoundcard，atechnicianshouldturnoffandunplugthecomputer；removethecomputer’scover；locatethesoundcardslot，insertandsecurethecardintheslotand：（）
A.plug in and turn on the computer； let Windows recognize the new hardware and install the driver.
B.plug in the computer； let Windows recognize the new hardware and plug in the speakers.
C.let Windows recognize the new hardware； install the driver and plug in the speakers.
D.turn on and plug in the computer； let Windows recognize the new hardware and install the driver. -
单项选择题
AtechnicianistroubleshootingaCD/DVDdrive.Thereisadiskinthedriveandthetraywonteject.WhichofthefollowingactionsshouldthetechniciantakeFIRST？（）
A.Shutdown， restart and verify that the BIOS recognizes the drive and try again.
B.Replace the CD/DVD drive.
C.Pry the tray open with a small， flat head screwdriver.
D.Place the end of a paper clip in the emergency eject pinhole on the CD/DVD drive.
