單項選擇題

A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）

A. Turn the case upside down, shake gently and let the screw fall out.
B. Use a shop vacuum to retrieve the screw.
C. Use the hardware abstraction layer (HAL).
D. Use an extension magnet.

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單項選擇題

A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）

A.Backlight
B.Inverter
C.Loose cable
D.Lid switch

單項選擇題

Which of the following commands would be used to verify the integrity of critical system files?（）

A.verify
B.nslookup
C.sfc
D.chkdsk

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A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）

你可能感興趣的試題

A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）

Which of the following commands would be used to verify the integrity of critical system files?（）