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

第1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.

第2题：

A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）

• A、Reseat all power connections.
• B、Remove the CMOS battery.
• C、Install the graphics card.
• D、Ground to the case.

第3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.

第4题：

Which of the following devices will be plugged into an AGP slot on a motherboard?（）

• A、Video card
• B、Sound car
• C、d Modem card
• D、Network card
• E、Magic I/O card

第5题：

After hardware upgrades have been installed, the technician boots the computer system. Nodisplay output is observed but a beeping is heard from the computer. Which of the following is the MOST likely issue?（）

• A、Hard drive cables are not connected.
• B、BIOS chips are not seated properly.
• C、The power supply is not functioning.
• D、Video card is not seated properly.

第6题：

A customer reports to Karen, a technician, that a PC’s video card has recently been upgraded and the computer reboots randomly. The last few restarts have happened during movie playback, playing a video game, and video editing. Which of the following is the MOST likely source of this issue?（）

• A、The card is not compatible with the hardware of the machine.
• B、The graphic driver for the card is corrupt.
• C、The video card requires additional power.
• D、The software the user is running is incompatible for the video card.

第7题：

A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）

• A、The technician used generic thermal paste.
• B、The processor had pins broken during installation.
• C、The memory is incompatible with the new CPU.
• D、An incorrect fan size was installed on the heatsink.

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第13题：

A technician is trying to install a previous-generation expansion card into their new laptop.However, the card refuses to fit into the expansion slot. Which of the following is MOST likely the reason?（）

• A、The card needs to have the compatibility jumpers set before it can be installed into the system.
• B、The card is a PCI Express card and the laptop supports pcmica.
• C、The expansion slot needs to be enabled in the blos first.
• D、The card is a PCMCIA card and the laptop supports PCI Express cards.

第14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.

第15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

第16题：

Which of the following is the MOST likely cause of a low wireless signal after an internal wireless adapter on a laptop was replaced?（）

• A、The wireless card must be calibrated to the laptop.
• B、The correct preshared encryption key must be installed to boost the signal.
• C、The MAC address of the new wireless card will have to be added to the WAP to get the full signal.
• D、The antenna wires for the wireless card were not attached.

第17题：

A technician has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）

• A、The voltage selector switch on the power supply is set incorrectly.
• B、The 3.3v power line is connected to the wrong input on the motherboard.
• C、The new power supply voltage rating is too high.
• D、The 12v power cord is installed incorrectly.

第18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.

第19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.

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