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A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）
- A、Plug in an external monitor to test the video card.
- B、Run a check disk scan to verify there is no corruption.
- C、Check if the laptop is now on battery power.
- D、Have the LCD screen replaced with a known good screen.
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更多 “A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）A、Plug in an external monitor to test the video card.B、Run a check disk scan to verify there is no corruption.C、Check if the laptop is now on battery power.D、Have the LCD screen replaced with a known good screen.” 相关考题
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单选题A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）A
If the wireless is enabledB
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单选题When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）A
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There are conflicting serial ports.C
The mouse driver needs to be updated.D
The user is brushing the touch pad while typing.
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