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单选题
A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）
A
Replace the motherboard.
B
Check all connections.
C
Replace the USB controller.
D
Check the PS/2 connector.
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更多 “单选题A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）A Replace the motherboard.B Check all connections.C Replace the USB controller.D Check the PS/2 connector.” 相关考题
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考题
单选题A client reports that the cursor on their laptop moves to one corner of the screen and stays there when they try to use the keyboard joystick. Which of the following components will MOST likely need to be replaced to resolve the issue?（）A
TouchpadB
MotherboardC
KeyboardD
External pointing device
考题
单选题A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）A
StickyKeys is enabled and needs to be disabled.B
The new keyboard is defective and needs to be replaced.C
The system board is defective.D
The keyboard ribbon is not seated properly.
考题
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.
考题
单选题If an external monitor is attached to a laptop and it does not work， which of the following actions should a technician take FIRST？（）A
Re-install the operating system.B
Open and close the cover.C
Use the function key to activate the monitor.D
Install new software for the keyboard.
考题
单选题After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）A
The wireless switch was damaged during the display installation.B
The network card has failed.C
The new display is interfering with the wireless signal.D
The antenna connector was not reconnected.
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