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？ （）

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.

单项选择题Atechnicianreceivesanewprinterforrepairandtheworkorderstatesthatwhenpoweredontheprintermakesaloudnoiseandwillnotprint.Whichofthefollowingactionsshouldthetechniciantake？（）

A.Install new drivers on the computer.
B.Install a new ink cartridge.
C.Install a print head on the printer.
D.Remove the packing tape from the print head.

单项选择题Alaserprinterhasaverticallyrepetitiveprintdefect.Beforeattemptingtorepairtheprinter，atechnicianshoulddetermine：（）

A.the distance between the spots.
B.which paper tray was used to print the document.
C.which driver was used to print the document.
D.which application was used to print the document.