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？（）

ESD（electrostatic discharge）

motherboard

RAMDAC

EMI（electromagnetic interference）

参考答案和解析

正确答案： C

解析：暂无解析

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

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.

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第2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.

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第3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.

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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.

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第5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.

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第6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.

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第7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.

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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

参考答案和解析

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

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第5题

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