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单选题
When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:()
A
the battery.
B
the memory cover and memory sticks giving access to the screws holding the keyboard in place.
C
the top bezel covering the screws holding the keyboard in place.
D
the AC power.
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考题
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Replace the motherboard.B
Check all connections.C
Replace the USB controller.D
Check the PS/2 connector.
考题
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Server room access log
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单选题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
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