Failure of which of the following parts could cause the laptop display to stop functioning?（） (Select TWO).A、Power inverterB、AC adapterC、Multicard readerD、BacklightE、Keyboard

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：

Which of the following parts of a laptop screen provides illumination for the LCD?（）

• A、Inverter
• B、Backlight
• C、Inverter connector cable
• D、Bezel

第3题：

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

• A、The LCD monitor’s power inverter does not function properly.
• B、The operating system’s power settings prevent the battery from charging.
• C、The battery is not compatible with the laptop.
• D、The internal power connection on the motherboard is faulty.
• E、The power adapter is not working.

第4题：

A display on a laptop has become very dim, almost unable to be seen. Which of the followingcomponents is the MOST likely cause of this problem?（）

• A、Video card
• B、Inverter board
• C、AC adapter
• D、Processor

第5题：

A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）

• A、The laptop is not turned off
• B、The power cable is not unplugged
• C、The lock button is set to lock
• D、The ACPI settings are configured improperly

第6题：

A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）

• A、StickyKeys is enabled and needs to be disabled.
• B、The new keyboard is defective and needs to be replaced.
• C、The system board is defective.
• D、The keyboard ribbon is not seated properly.

第7题：

A technician is preparing to update the BIOS on a laptop. Which of the following should thetechnician do to prevent problems during the update?（）

• A、Remove all of the memory
• B、Plug in the AC adapter
• C、Remove the hard drive and optical drive
• D、Clear the partitions on the hard drive

第8题：

Which of the following should be checked FIRST if the laptop’s fan continuously goes full speed?（）

• A、Dust buildup
• B、AC adapter
• C、Battery temperature
• D、Fragmentation

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第13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.

第14题：

A customer, Jill, has a dim image on her internal LCD panel, but when connecting to an external display, the image is fine. Which of the following is MOST likely the cause?（）

• A、Inverter
• B、LCD cable
• C、LCD panel
• D、System I/O

第15题：

Which of the following components is found in a display panel assembly?（）

• A、Inverter
• B、DC converter
• C、DVI adapter
• D、Video memory

第16题：

In which of the following topologies could the failure of one machine cause the entire network tostop functioning?（）

• A、Mesh
• B、Token ring
• C、Star
• D、Spanning tree

第17题：

Which of the following could cause an Inaccessible boot drive error during the boot process? （）

• A、HDD failure
• B、DVI failure
• C、USB failure
• D、CD failure

第18题：

Which of the following factors is the MOST likely cause of a power supply fan failure？（）

• A、 Extreme temperature variances
• B、 Extreme humidity variances
• C、 Power stability fluctuations
• D、 Excessive dust accumulation

第19题：

A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （）

• A、Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.
• B、Replace the battery by purchasing a new battery from the manufacturer.
• C、Stop using the battery and use alternating current （AC） power for the laptop.
• D、Replace the AC adaptor by purchasing a new adapter from the manufacturer.

第20题：

The failure of which of the following components can cause a server to display a POST error message？（）

• A、Parallel HASP key
• B、DVD driver
• C、Memory
• D、Chassis LED

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