单项选择题

Which of the following desktop hardware should a technician be MOST concerned with disposing of correctly？（）

A.batteries
B.power cords
C.disk drives
D.hard drives

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单项选择题

During boot up， a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem？（）

A.Replace the laptop.
B.Replace the LCD screen.
C.Replace the LCD pixels.
D.Re-select the LCD in Device Manager.

单项选择题

When connecting a laser printer to a network for the first time， a technician should FIRST：（）

A.configure the network settings on the printer.
B.ensure the cable is set to TCP/IP.
C.enable the printer in the BIOS.
D.configure the printer as bi-directional in Windows.

单项选择题

A work order states that a customer used Windows updates and after rebooting the computer， the video driver was corrupted and the computer was in safe mode. Which of the following would be the BEST action to take？（）

A.Download and install the correct video driver from the manufacturer’s web site.
B.Remove the video driver and reboot the computer.
C.Use the Driver Roll Back feature in Device Manager.
D.Go back to Windows update and specify the correct video driver.

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