You're troubleshooting a malfunctioning notebook computer system. The user has indicated that the screen suddenly became dark and difficult to read while he was downloading a large file through his wireless network card while the system was plugged in at his desk. You've checked the system and determined that the backlight has stopped working. Which of the following could be the cause? (Select Two)
a. The inverter in the LCD assembly has malfunctioned.
b. The wireless network card is emitting radio signals that interfere with the backlight; causing it to stop functioning.
c. The extended download placed high demands on the system DC power; causing the BIOS to shut off the backlight.
d. The AC adapter (brick) is no longer converting AC power to DC power for the backlight.
e. The cold cathode fluorescent lamp has burned out and needs to be replaced.
The inverter in the LCD assembly has malfunctioned.
The cold cathode fluorescent lamp has burned out and needs to be replaced.
While using the touchpad, you notice than the mouse is not responding very well, making it difficult to correctly move the mouse around the screen. How can you fix this problem?
a. Clean your fingers and try again.
b. Use a stylus on the touchpad.
c. Replace the touchpad.
d. Recalibrate the touchpad.
Recalibrate the touchpad.
You recently upgraded the processor in your laptop computer to a faster processor. The computer runs, but after using it for several minutes, it shuts down unexpectedly. Which of the following should you do first?
a. Use a multimeter to test the inverter.
b. Test the memory for errors.
c. Make sure the case fans are plugged in.
d. Charge the battery, then run the laptop from the battery.
Make sure the case fans are plugged in.
After arriving in a new city today, a traveling sales team member calls you stating that his wireless connection no longer works. He has checked the wireless configuration and he knows it to be correct because it was working yesterday. What should you do first?
a. Have him update the drivers for the wireless card.
b. Have him manually configure the wireless card to use only 802.11b.
c. Have him verify that the wireless card's hardware switch is in the On position.
d. Have him purchase a USB wireless card to use until you can check the problem yourself.
Have him verify that the wireless card's hardware switch is in the On position.
Which type of interface is typically used for the internal wireless networking cards in laptops?
You have a notebook computer with a built-in wireless network card. One day it stops working. Because the network card is integrated onto the motherboard, you do not want to replace the entire motherboard. What can you use to connect to the wireless network? (select two)
a. Insert a wireless USB network card.
b. Enable the Bluetooth adapter on the notebook.
c. Install a PCI wireless network card.
d. Insert an ExpressCard wireless network card.
e. Enable the infrared port on the notebook.
Insert a wireless USB network card.
Insert an ExpressCard wireless network card.
An internal laptop keyboard is generally connected to the laptop's system board using a:
a. PS/2 port
b. USB connector
c. Mini-molex connector
d. Ribbon cable
You need to replace the hard disk in your laptop computer. What hard drive size would you likely choose for the laptop?
You have been told to replace the HDD on a laptop computer that has a drive bay accessible from the outside of the computer. Which of the following should you do after powering down the system? (select two)
a. All of the above
b. Remove the system RAM
c. Unplug the AC power
d. Disconnect the keyboard
e. Remove the battery
Unplug the AC power
Remove the battery
One of your users has called to complain about her notebook computer. She reports that it displayed a message indicating that the battery was low, then it shut down all by itself even though it was plugged into the wall outlet. What should you check first?
a. Verify that the AC adapter LED light is lit when plugged into the wall outlet.
b. Verify that the power management settings in the BIOS are configured properly.
c. Verify that the power management settings in Windows are configured properly.
d. Verify that the battery will accept a charge.
Verify that the AC adapter LED light is lit when plugged into the wall outlet.
You're troubleshooting a malfunctioning notebook computer. Nothing appears on the LCD display when the system is powered on. When you connect an external monitor to the system, the Windows desktop is displayed properly on the monitor. What could be causing this problem?
a. A new driver for the video board needs to be installed.
b. The LCD assembly is malfunctioning.
c. The BIOS needs to be updated.
d. The display output has been redirected to the external monitor port using the Fn key.
e. The built-in video card is malfunctioning.
The LCD assembly is malfunctioning.
The display output has been redirected to the external monitor port using the Fn key.
You have just purchased a new laptop with built-in wireless, Bluetooth, and infrared (IrDA) capabilities provided by a mini-PCIe card. When you boot into Windows, you do not see a Bluetooth adapter listed in Device Manager. What should you do?
a. Enabled Bluetooth in the BIOS.
b. Update the device driver in Windows.
c. Replace the wireless card in the laptop.
d. Enable the Bluetooth device in Device Manager.
Enabled Bluetooth in the BIOS
You want to upgrade the memory modules in a notebook computer. What are the most common ways to access the memory slots? (select two)
a. Remove the bezel.
b. Remove the keyboard.
c. Remove a side panel and pull out the tray holding the memory.
d. Open a panel on the bottom of the notebook.
e. Remove the LCD panel.
Remove the keyboard.
Open a panel on the bottom of the notebook.
You're troubleshooting a malfunctioning LED display on a notebook computer system. An external monitor correctly displays the output from the notebook. Which of the following could be the cause?
a. Failed inverter
b. Failed CCFL
c. Failed video adapter
d. Failed backlight
You need to replace the video card in a laptop. What is the first step?
a. Remove the keyboard.
b. Remove the access panel to the bottom of the laptop.
c. Remove the bezel.
d. Find a service manual with correct disassembly procedures.
e. Remove the display wires if the video card is integrated into the motherboard.
Find a service manual with correct disassembly procedures.
You recently replaced a malfunctioning video card on your laptop. After reassembling the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replace the video card. What would you likely resolved this problem?
a. Reconnect the antenna connections in the bezel.
b. Replace the wireless network card.
c. Reconnect the laptop battery.
d. Use a wireless network adapter that plugs into a USB port.
Reconnect the antenna connections in the bezel.
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