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单选题A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）A ESD（electrostatic discharge）B motherboardC RAMDACD EMI（electromagn

题目
单选题
A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）
A

ESD（electrostatic discharge）

B

motherboard

C

RAMDAC

D

EMI（electromagnetic interference）

相似考题

1.Ausercomplainsthatacomputermonitorisexperiencingajitter.Replacingthemonitorandvideocarddoesnotfixtheproblem.Whichofthefollowingcouldbecausingtheproblem?()A.ESD（electrostaticdischarge）B.motherboardC.RAMDACD.EMI（electromagneticinterference）

2.A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）A、Change resolution on laptopB、Toggle FN key and external monitor keyC、Try a different monitor typeD、Try using a different monitor cable

3.When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？ （）A、Check for the latest video drivers.B、Install a known-good video adapter.C、Attach the monitor to a known-good computer.D、Replace the monitor.

4.Which of the following could be disabled to improve performance and response, in Windows Vista,on a computer with an older video card?（）A、Desktop IconsB、AeroC、Task ManagerD、UAC

更多“单选题A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）A ESD（electrostatic discharge）B motherboardC RAMDACD EMI（electromagn”相关问题

  • 第1题：

    Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）

    • A、 istat
    • B、 topas
    • C、 vmstat
    • D、 filemon

    正确答案:B

  • 第2题：

    A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which ofthe following is the MOST likely cause?（）

    • A、The display is defective.
    • B、The video card needs to be flashed.
    • C、The internal adapter has not been disabled.
    • D、The new video card is defective.

    正确答案:C

  • 第3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4题：

    A user who is running Windows XP Professional reports that the computer monitor stopped functioning following an installation of an updated driver for the video card and that attempts to delete and re-install the original driver have not corrected the situation. Which of the following actions would be BEST to correct this situation？（）

    • A、Reset the system BIOS.
    • B、Use System Restore.
    • C、Change the color profile.
    • D、Replace the video card.

    正确答案:B

  • 第5题：

    A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）

    • A、In the BIOS, the onboard video adapter must be disabled.
    • B、The video resolution is set too high.
    • C、The LCD panel is defective.
    • D、The drivers for the new video card must be installed before installing the card.

    正确答案:A

  • 第6题：

    A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）

    • A、The monitor cannot display the increased resolution that is a feature of the new graphics card.
    • B、The power supply does not provide enough wattage to power the new graphics card.
    • C、The new graphics card is incompatible with the existing processor.
    • D、The computer does not have enough RAM to support the new graphics card.

    正确答案:B

  • 第7题：

    单选题
    A user who is running Windows XP Professional reports that the computer monitor stopped functioning following an installation of an updated driver for the video card and that attempts to delete and re-install the original driver have not corrected the situation. Which of the following actions would be BEST to correct this situation？（）
    A

    Reset the system BIOS.

    B

    Use System Restore.

    C

    Change the color profile.

    D

    Replace the video card.


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）
    A

    The monitor cannot display the increased resolution that is a feature of the new graphics card.

    B

    The power supply does not provide enough wattage to power the new graphics card.

    C

    The new graphics card is incompatible with the existing processor.

    D

    The computer does not have enough RAM to support the new graphics card.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    A technician has replaced a video card with another manufacturer’s video card. The driverinstallation does not complete. Which of the following steps should the technician take FIRST?（）
    A

    Roll back the driver.

    B

    Install the original video card and reboot.

    C

    Delete the monitor.

    D

    Remove the video card and reboot.


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following could be disabled to improve performance and response, in Windows Vista,on a computer with an older video card?（）
    A

    Desktop Icons

    B

    Aero

    C

    Task Manager

    D

    UAC


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?（）
    A

    Help limit radio frequency interference (RFI) inside the case.

    B

    Help ensure proper air flow through the case.

    C

    Help prevent moisture buildup in the case.

    D

    Help limit electrostatic discharge (ESD) inside the case.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）
    A

    Change resolution on laptop

    B

    Toggle FN key and external monitor key

    C

    Try a different monitor type

    D

    Try using a different monitor cable


    正确答案： A
    解析： 暂无解析

  • 第13题：

    A user complains that a computer monitor is experiencing a jitter. Replacing the monitor and video card does not fix the problem. Which of the following could be causing the problem？（）

    • A、ESD（electrostatic discharge）
    • B、motherboard
    • C、RAMDAC
    • D、EMI（electromagnetic interference）

    正确答案:D

  • 第14题：

    A customer reports to Karen, a technician, that he is experiencing problems with the display after his computer is fully booted but reports seeing the BIOS splash screen during boot. Which of the following would MOST likely be the cause?（）

    • A、The video cable is incorrectly attached.
    • B、A corrupted or incorrect video driver is installed.
    • C、An incorrect video card is installed in the computer.
    • D、The video card is defective and needs to be replaced.

    正确答案:B

  • 第15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?（）

    • A、Test the computer with a known-good monitor.
    • B、Check if the monitor is still covered under the manufacturer’s warranty.
    • C、Replace the monitor’s power cord with a known-good power cord.
    • D、Swap out the computer’s video card.

    正确答案:A

  • 第16题：

    A technician has replaced a video card with another manufacturer’s video card. The driverinstallation does not complete. Which of the following steps should the technician take FIRST?（）

    • A、Roll back the driver.
    • B、Install the original video card and reboot.
    • C、Delete the monitor.
    • D、Remove the video card and reboot.

    正确答案:A

  • 第17题：

    While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?（）

    • A、Help limit radio frequency interference (RFI) inside the case.
    • B、Help ensure proper air flow through the case.
    • C、Help prevent moisture buildup in the case.
    • D、Help limit electrostatic discharge (ESD) inside the case.

    正确答案:B

  • 第18题：

    单选题
    Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）
    A

     istat

    B

     topas

    C

     vmstat

    D

     filemon


    正确答案： B
    解析： 暂无解析

  • 第19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20题：

    单选题
    A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）
    A

    In the BIOS, the onboard video adapter must be disabled.

    B

    The video resolution is set too high.

    C

    The LCD panel is defective.

    D

    The drivers for the new video card must be installed before installing the card.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    When experiencing video problems， which of the following should be performed FIRST to ensure that the monitor is not causing the problem？ （）
    A

    Check for the latest video drivers.

    B

    Install a known-good video adapter.

    C

    Attach the monitor to a known-good computer.

    D

    Replace the monitor.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）
    A

    In the BIOS, the onboard video adapter must be disabled.

    B

    The video resolution is set too high.

    C

    The LCD panel is defective.

    D

    The drivers for the new video card must be installed before installing the card.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    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?（）
    A

    Test the computer with a known-good monitor.

    B

    Check if the monitor is still covered under the manufacturer’s warranty.

    C

    Replace the monitor’s power cord with a known-good power cord.

    D

    Swap out the computer’s video card.


    正确答案： A
    解析： 暂无解析

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