Replace the motherboard.
Check all connections.
Replace the USB controller.
Check the PS/2 connector.
第1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?（）
第2题：
After a technician installs a video card, which of the following should the technician configure NEXT?（）
第3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.
第4题：
A technician is troubleshooting a monitor displaying a blank screen and the power indicator light ison. Which of the following should the technician do next?（）
第5题：
A technician has resolved a paper jam. After the jam is cleared, the display continues to indicate that the printer is jammed. Which of the following should be performed NEXT?（）
第6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?（）
第7题：
A Windows OS has failed to load after a successful power on self test. Which of the following steps will help troubleshoot the problem?（）
第8题：
A. Resolution
B. Colors
C. Dots per inch
D. Refresh rate
第9题：
A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?（）
第10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？（）