单选题After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）

题目
单选题
After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）
A

Motherboard

B

Video card

C

Cutoff switch

D

AC adapter

相似考题

1.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.

2.A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?()A. Native resolutionB. Color depthC. Minimum brightnessD. Maximum brightness

3.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.

4.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.

更多“单选题After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）”相关问题

  • 第1题：

    Which of the following is the FIRST step a technician should take when troubleshooting a device issue？（）

    • A、Gather information from the customer.
    • B、Isolate the problem on the device.
    • C、Read the service documentation for possible causes.
    • D、Check the parts life counters.

    正确答案:A

  • 第2题：

    A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）

    • A、Native resolution
    • B、Color depth
    • C、Minimum brightness
    • D、Maximum brightness

    正确答案:A

  • 第3题：

    A home user working outside an office reports that their laptop is no longer connecting to theInternet. Which of the following would a technician recommend to check FIRST?（）

    • A、Windows Firewall settings
    • B、DHCP settings
    • C、Disable HomeGroup
    • D、Wireless on/off switch

    正确答案:D

  • 第4题：

    开关舱的工作通常是由船员来做。（）

    • A、The work of opening and closing hatches is usually done by crew members.
    • B、The work of opening and closing hatch covers is usually done by crew members.
    • C、The work of opening hatch covers is usually done by crew members.
    • D、The work of closing hatch covers is usually done by crew members.

    正确答案:A

  • 第5题：

    After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）

    • A、Check the computer to verify that the jumper settings for USB are correct.
    • B、Connect the USB devices to a different computer to test the devices.
    • C、Buy new USB wires and test USB functionality.
    • D、Check the BIOS to verify that USB functionality is enabled.

    正确答案:D

  • 第6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 enabled
    • B、If the laptop is connected to the correct gateway
    • C、If the SSID is enabled
    • D、If the DHCP address scheme is correct

    正确答案:A

  • 第7题：

    单选题
    A user reports that they are unable to print to a remote printer. Which of the following should the technician check FIRST？（）
    A

    Printer driver

    B

    Protocol stack

    C

    Network connectivity

    D

    Correct patch application


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    A technician has a laptop in for repair with a consistent video corruption issue. The issue is seen on the local display and on an external monitor. The issue happens on the BIOS setup screen as well as within Windows. Which of the following laptop components is MOST likely failing?（）
    A

    VGA port

    B

    LCD display

    C

    Onboard video card

    D

    Inverter


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    开关舱的工作通常是由船员来做。（）
    A

    The work of opening and closing hatches is usually done by crew members.

    B

    The work of opening and closing hatch covers is usually done by crew members.

    C

    The work of opening hatch covers is usually done by crew members.

    D

    The work of closing hatch covers is usually done by crew members.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）
    A

    Native resolution

    B

    Color depth

    C

    Minimum brightness

    D

    Maximum brightness


    正确答案： B
    解析： 暂无解析

  • 第11题：

    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

    Backlight

    B

    Inverter

    C

    Loose cable

    D

    Lid switch


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A server is being set up at a client location. The system has been powered up for a clean install of the base OS. The CD is in the drive. After 5 minutes, the system is hung. There is no activity with the CD-ROM drive and nothing to select on the screen. Which of the following procedures should be performed next?（）
    A

    Boot off diskette and change boot device to CD

    B

    Change the bootlist for normal mode and reboot

    C

    Reboot and press 5/F5 after keyboard is displayed on the screen

    D

    Press enter to open SP menus once OK is showing in the LEDs


    正确答案： C
    解析： 暂无解析

  • 第13题：

    After opening up the lid of a laptop that is powered on, nothing is displayed on the LCD. Opening and closing the lid multiple times usually causes the display to regain the signal. Which of the following components should the technician check FIRST?（）

    • A、Motherboard
    • B、Video card
    • C、Cutoff switch
    • D、AC adapter

    正确答案:C

  • 第14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.

    正确答案:B

  • 第15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、Backlight
    • B、Inverter
    • C、Loose cable
    • D、Lid switch

    正确答案:D

  • 第16题：

    A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?（）

    • A、Press the appropriate function + monitor key.
    • B、Adjust the BIOS settings for external display.
    • C、Replace the video card on the laptop.
    • D、Update video drivers for the video card.

    正确答案:A

  • 第17题：

    A user is reporting that a PC will suddenly shut down without warning. The PC boots up with no problems, but after using the PC for a short time, the PC turns off. Which of the following components should the technician check?（） (Select TWO).

    • A、CPU fan
    • B、RAM
    • C、Hard drive
    • D、Power supply
    • E、Video card

    正确答案:A,D

  • 第18题：

    A server is being set up at a client location. The system has been powered up for a clean install of the base OS. The CD is in the drive. After 5 minutes, the system is hung. There is no activity with the CD-ROM drive and nothing to select on the screen. Which of the following procedures should be performed next?（）

    • A、Boot off diskette and change boot device to CD
    • B、Change the bootlist for normal mode and reboot
    • C、Reboot and press 5/F5 after keyboard is displayed on the screen
    • D、Press enter to open SP menus once OK is showing in the LEDs

    正确答案:C

  • 第19题：

    单选题
    A home user working outside an office reports that their laptop is no longer connecting to theInternet. Which of the following would a technician recommend to check FIRST?（）
    A

    Windows Firewall settings

    B

    DHCP settings

    C

    Disable HomeGroup

    D

    Wireless on/off switch


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?（）
    A

    Press the appropriate function + monitor key.

    B

    Adjust the BIOS settings for external display.

    C

    Replace the video card on the laptop.

    D

    Update video drivers for the video card.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    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 enabled

    B

    If the laptop is connected to the correct gateway

    C

    If the SSID is enabled

    D

    If the DHCP address scheme is correct


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    A user is reporting that a PC will suddenly shut down without warning. The PC boots up with no problems, but after using the PC for a short time, the PC turns off. Which of the following components should the technician check?（） (Select TWO).
    A

    CPU fan

    B

    RAM

    C

    Hard drive

    D

    Power supply

    E

    Video card


    正确答案： D,B
    解析： 暂无解析

  • 第23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.


    正确答案： C
    解析： 暂无解析

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