TestOut: CompTIA A+ Module 9: Laptops & Mobile Devices

Preferred Roming List (PRL)

A database residing in a wireless device that contains information used during the system selection and acquisition process.

Gyroscope

A feature that measures the vertical and horizontal orientation of the device.

Ensure the Laptop is placed on a hard flat surface, with its exhaust vents clear, save your work and power it down.

A laptop displays a warning message that states that the processor temperature is dangerously high. What should you do?

Video Card is bad, display panel failure, inverter/power supply is bad. Disconnected videocard ribbon. Brightness is down. System is configured to use an external monitor.

A laptop's display is blank. What could cause this?

A rotating or removable screen

A manufacturing company has customized a computer application that supervisors will use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. Which of the following laptop features would BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk? A rotating or removable screen A touchscreen display A laptop docking station Special function keys

A laptop docking station

A sales person typically carries a laptop computer to several off-site customer meetings each day, but needs the flexibility to quickly attach other peripherals and charge the laptop battery while at their office desk. Which of the following laptop feature would BEST meet these requirements? A USB 3.0 hub A laptop docking station A USB-to-RJ45 dongle A keyboard-video-mouse (KVM) switch

Software development kit (SDK)

A set of software development tools that allows the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar development platform.

Hold down the power button for several seconds.

A technician is assisting a user with rebooting a frozen laptop that does not respond to keystrokes or mouse clicks. Which of the following is the SIMPLEST way to power down the laptop? Remove the battery. Disconnect the power adapter. Press Ctl + Alt + Del and open the task manager. Hold down the power button for several seconds.

Review the laptop manufacturer's documentation.

A technician is replacing a hard drive in a laptop. Which of the following is the FIRST action the technician should perform before opening the laptop case? Document and label cable and screw locations. Review the laptop manufacturer's documentation. Obtain the appropriate hand tools. Create written disassembly notes and tape screws and parts to the notes.

Spray compressed air between the keys.

A technician is tasked with repairing a laptop keyboard with sticking keys. Which of the following actions should the technician perform before replacing the keyboard? Repeatedly drop a small rubber ball on each sticky key. Enable the Bounce Keys setting to ignore repeated keystrokes. Spray compressed air between the keys. Disable the Sticky Keys keyboard setting.

Around the laptop's bezel

A technician is tasked with replacing a Wi-Fi antenna in a laptop computer. Which of the following places would the antenna MOST likely to be located? Near the memory expansion slots Under the laptop keyboard Next to the laptop battery Around the laptop's bezel

Replace the internal wireless card.

A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should a technician consider as an alternative to replacing the laptop? Add more memory. Replace the hard drive with one with a larger capacity. Replace the internal wireless card. Replace the system board.

Have him verify that the wireless card's hardware switch is in the On position.

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? Have him manually configure the wireless card to use only 802.11b. Have him verify that the wireless card's hardware switch is in the On position. Have him purchase a USB wireless card to use until you can check the problem yourself. Have him update the drivers for the wireless card.

Unplug the USB mouse and re-check touchpad movements.

After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, the attached USB mouse does. Before opening the laptop case to re-check the connection, which of the following actions should the technician perform? Unplug the USB mouse and re-check touchpad movements. Increase the operating system's mouse speed setting. Toggle the scroll lock key on the keyboard. Perform a minimal boot of the operating system so that device drivers are not loaded.

Ribbon cable

An internal laptop keyboard is generally connected to the laptop's system board using a: Ribbon cable USB connector PS/2 port Mini-molex connector

Mini-PCI

As an IT technician, you are often asked to work on laptop computers that included internal wireless network cards. Which of the following is the MOST commonly used type of card for these internal wireless adapters? USB Mini-PCI Firewire ExpressCard/34

You can attach an external keybord/mouse

How can you continue to use a notebook if a built-in component (such as a keyboard, pointing device, or network card) fails?

Connect an external monitor, if it works then the video card is still good and the screen has failed.

How can you tell if a failed notebook display is caused by the screen or the video card?

usually through as USB slot, but there are other ports like a typical desktop would have. additionally, there are docking stations that can provide additional ports.

How do you add devices to a notebook computer?

Update the trackpad drivers.

In preparation to use your notebook on the airplane as you travel to a conference, you disconnected the external USB mouse. The cursor drifts consistently to the left side of the screen while using the built-in trackpad and mouse buttons on the notebook. Which of the following actions would MOST likely stop the mouse from drifting? Buy a new external mouse. Disable the trackpad in the control panel. Enable airplane mode. Update the trackpad drivers.

Multimeter

Recently, your laptop won't power on, and the battery is not charging. You suspect the block on the power cord (also known as a brick) no longer works. Which tool will help you troubleshoot this problem? Loopback plug Multimeter Power supply tester Cable tester

Buy a docking station for your notebook.

The integrated mouse, the small monitor, and the compact nature of the keyboard are impeding your work when you use your notebook, but you still need a system that is portable if necessary. You currently own a spare USB mouse and keyboard, as well as a nice monitor. Which option will give you the portability you need while at the same time save money and not impede your work? Buy a small, lightweight desktop computer. Connect an external keyboard, mouse, and monitor when necessary. Buy a docking station for your notebook. Buy the biggest notebook possible so you don't feel so confined. Switch to a tablet device.

connect an external keyboard, if it works, it may be malfunctioning and needs to be replaced. Jammed/sticky keys from obstruction, Numlok may be enabled. Disconnected/damaged ribbon.

The keyboard on a laptop doesn't appear to be working. How can you test it?

Android Package (APK)

The package file format used by the Android operating system for the distribution and installation of mobile apps and middleware.

Working, Standby, Sleep, (Hybrid Sleep), Hibernate, Soft Off, and Mechanical off.

What are the names of the Windows power states?

Allows you to connect additional devices.

What is the function of the docking station?

Specialized CPUs, GPU, RAM, Special HDDs to detect sudden movement, or SSD, Networking Cards, Sound Cards & peripherals (touchpad, keyboard, screen.

What kinds of components are typically built into a notebook computer?

Trackpad

What types of devices do notebooks use instead of a mouse?

Docking station

Which component lets you use a notebook system as a desktop system by making it possible to connect a normal-sized external mouse, keyboard monitor, and speakers? Built-in Bluetooth Infrared wireless USB ports Firewire ports Docking station

Digitizer

Which of the following input devices uses a stylus? Touchpad Trackpoint Digitizer Touch screen

video (laptop)

XGA screen have the normal 4:3 aspect ratio WXGA screen use a widscreen ration some screen promise brighter display the video controller is either integrated onto the motherboard or a separate board most have an external video port that you can use to display the screen on a projector or monitor some have special touchscreens that can rotate 180 degrees some allow you to detach or remove the screen which turns it into a table some have multiple dissplay screens

Plug in an external monitor.

You are troubleshooting a malfunctioning laptop computer. Nothing appears on the LED display when the system is powered on. Which of the following is the BEST step to try first? Calibrate the battery. Replace the motherboard. Replace the video card. Plug in an external monitor.

Insert an ExpressCard wireless network card. Insert a wireless USB network card.

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.) Insert an ExpressCard wireless network card. Enable the infrared port on the notebook. Install a PCI wireless network card. Enable the Bluetooth adapter on the notebook. Insert a wireless USB network card.

Enough free hard drive space

You want to use Hibernation on your Windows notebook. What does it need to have? Enough free hard drive space A minimum of 1 GB of RAM A Pentium IV or better processor UPS

spudger

a little plastic tool for working on laptops

keyboard (laptop)

are smaller than the standard ones; keys are often a bit smaller and closer together

Internal hard disks (laptop)

are typically 2.5" or 3.5" and very thin; SATA, solid state and Flash are used

Docking Station / Port Replicator

attaches to a laptop and allows you to connect multiple peripheral devices such as a printer or second monitor

pointing devices (laptop)

instead of a mouse, they use one or more of the following: pointing sticks touchpad buttons below the keyboard to replace mouse functions digitizer PS/2 connector or USB connector to connect an external mouse

inverter

is a power supply for the LCD screen that converts the DC power used by the computer to AC power needed for the backlight

bezel

is the case in which the LCD is set

processor (laptop)

is typically located underneath the keyboard because of the limited space in a notebook case; it uses a heat piple to pull heat towards the side of the case where a small fan can vent the heat from the case

CCL cold cathode fluorescent lamps or LEDs

the backlights of a laptop are usually these type of lights

memory (laptop)

uses SODIMJM and UniDimm packages with SSDRAM and DDR/DDR2/DDR3/DDR4 memory. many come with a base amount and one or two additional slots

Processor, Wireless card, touch pad, and video card.

What type of notebook internal components may require you to remove the keyboard before replacing that component?

Free up disk space.

You have just purchased a used laptop, and you want to configure it to hibernate when you press the power button. You edit the Power Options settings and enable hibernation, then you configure the power button to trigger hibernation. Everything works fine for several weeks. However, one day when you press the power button, the laptop does not hibernate. Which of the following will BEST resolve this issue? Free up disk space. Enable ACPI support in the BIOS. : Charge the battery before pressing the power button. : Configure the laptop to use the Max Battery power scheme.

Lint-free cloth and isopropyl alcohol

You need to clean the LCD display screen on a laptop system. What should you do?

Refer to the system's documentation.

You need to replace the RAM in a laptop system. You can't find the memory slots in the system. What should you do?

2.5"

You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes would you likely choose for the laptop? 2.5" 5.25" 1.25" 3.5"

Find a service manual with correct disassembly procedures.

You need to replace the video card in a laptop. What is the first step? Find a service manual with correct disassembly procedures. Remove the keyboard. Remove the bezel. Remove the display wires if the video card is integrated into the motherboard. Remove the access panel at the bottom of the laptop.

Go to Settings > System > Power & sleep. In the Notification Area, double-click the battery icon. Click Power Options.

You want to configure Power Plans on your Windows 10 laptop computer. Which of the following can do this? (Select TWO.) In the Notification Area, double-click the battery icon. Click Power Options. Click Start and then open the Control Panel. Double-click the System icon. On the Advanced tab, click the Settings button for performance. Go to Settings > System > Power & sleep. Click Start and then right-click Computer and select Properties. Click Advanced System Settings. Right-click the Desktop and select Properties. On the Screen Saver tab, click the Power... button.

Replace the laptop battery.

A technician is servicing a laptop that works properly when the power adapter is plugged in. Even though the battery icon shows that the battery is fully charged, when the laptop is unplugged, the laptop immediately shuts down. Which of the following actions should the technician perform? Replace the power adapter. Replace the laptop battery. Change the power options mode to Balanced. Change the power options mode to Power Saver.

Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place.

A technician is tasked with increasing the RAM memory on a laptop by adding a SODIMM module to an empty memory slot. Which of the following processes will seat the module in the slot? Add the mounting pegs to the side of the memory module. Attach the ribbon cable and press into place until the mounting clips catch the mounting pegs. Slide the memory into the external Expresscard slot horizontally until the card is even with the laptop case and you hear a click. Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 90-degree angle to the motherboard and press down until the side hold-down clips snap into place. Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place.

The hard drive's form factor

A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards would be of MOST concern when selecting a replacement? The hard drive's storage capacity The hard drive's minimum voltage requirements The hard drive's form factor The hard drive's read and write speeds

Primary Rate Interface (PRI)

A telecommunications interface standard used on an Integrated Services Digital Network (ISDN) to carry multiple DS0 voice and data transmissions between the network and a user.

International Mobile Subscriber Identity (IMSI)

A unique identifier that defines a subscriber in the wireless world, including the country and mobile network to which the subscriber belongs. The IMSI is one of the pieces of information stored on a SIM card.

International Mobile Equipment Identity (IMEI)

A unique number given to every single mobile phone. The number is typically found behind the battery.

Toggle the touchpad function key.

A user calls the help desk stating that the touchpad on a laptop does not work. Which of the following actions would BEST help the technician diagnose the problem? Toggle the touchpad function key. Disable the touchscreen. Attach an external mouse. Attach an external keyboard.

Airplane mode could have been enabled, issues with NIC, verify the drivers are up-to-date. Verify wireless adapter is configured properly (proper SSID, Security type, passphrase and IP/Subnet information. They could be out of range with the WAP. Issues with EMI,

A user complains that her laptop has lost connection to your organization's wireless network and can't reconnect. What could be wrong?

Make sure that the dimming isn't being caused by a power saving method that has been configured to conserve notebook power.

A user complains that his notebook display has started to go dim intermittently. You suspect the backlight might need to be replaced, but you want verify that the backlight is failing before you replace it. Which of the following would be BEST to check before replacing the backlight? Make sure the power adapter cords are plugged in securely. Make sure the battery is still able to hold a charge. Check the display inverter connections. Check for cracks in the power bundles that go from the laptop to the display. Make sure that the dimming isn't being caused by a power saving method that has been configured to conserve notebook power.

Toggle the dual display function key. Connect and external display device

A user hibernates a laptop after giving a video presentation. Now, when it resumes, the display flickers for a moment, but remains blank. A technician suspects a bad graphics processing unit (GPU). Which of the following troubleshooting steps should be completed? (Select TWO). Replace the battery. Connect an external display device. Connect an external keyboard and mouse. Toggle the dual display function key. Connect an external USB hard drive.

She has turned Num Lock on, causing the keyboard to register numbers instead of letters.

A user is trying to log into Windows on her notebook computer. She enters the correct password for her user account, but the system won't let her authenticate, claiming the wrong password has been entered. Which of the following is MOST likely causing this problem? She has turned Num Lock on, causing the keyboard to register numbers instead of letters. The keyboard must be replaced. The Scroll Lock key has been pressed, locking all input from the keyboard. She has entered the wrong password too many times, causing Intruder Detection in Windows to lock the system. The CPU is in power-save mode, causing all login attempts to be denied.

Press and hold the Fn key; then press the monitor function key (image of a monitor on it).

A user needs to use her laptop to give a presentation using a video projector. She called asking you how to switch the display to the external monitor port on her laptop. What should you tell her? Press and hold the Fn key; then press the monitor function key (image of a monitor on it). : The laptop should have automatically detected the external display and redirected video output to it. This can't be done. A special adapter must be installed in a USB slot on the laptop. Increase the screen brightness until the display appears on the video projector.

Use a USB-to-RJ45 dongle and connect to a wall jack with an Ethernet cable.

A user normally connects a laptop to a company's network using the laptop's internal wireless NIC. The laptop does not have an Ethernet port. The wireless network has failed, and the replacement part will take two days to arrive. Which of the following solutions will connect the laptop to the company's wired network? Use a USB-to-Wi-Fi dongle to replace the laptop's internal wireless NIC. Use a USB-to-RJ45 dongle and connect to a wall jack with an Ethernet cable. Enable a Bluetooth connection between the laptop and a computer that is connected to the network. Transfer files using an external USB flash drive and then move the flash drive to a computer that is connected to the network.

Use the special function key to disable the touchpad when the laptop keyboard is used.

A user opens a help desk ticket to replace a laptop keyboard. The user reports that the cursor randomly moves when typing using the laptop keyboard, causing the user to make frequent typing corrections. The problem does not occur when the laptop is attached to a docking station and an external keyboard is used. You want to find a more affordable solution than replacing the keyboard. Which of the following actions would mitigate the problem? Lower the screen resolution so that mouse movements are less granular. Decrease the operating system's mouse speed setting. Use the special function key to disable the touchpad when the laptop keyboard is used. Increase the screen resolution so that mouse movements are more granular.

DisplayPort using a DisplayPort-to-HDMI cable USB port using a USB-to-HDMI adapter

A user wants to use a laptop to display a presentation on a large TV monitor that has an HDMI connection. Which of the following laptop ports or connections can be used to add this display device? (Select TWO). USB port using a USB-to-RJ45 dongle DisplayPort using a DisplayPort-to-HDMI cable USB port using a USB-to-Wireless dongle USB port using a USB-to-HDMI adapter Expresscard connection using a Expresscard Ethernet adapter

When I close the lid: Hibernate

From your laptop, you have been working on a large project that has required you to open a lot of items (programs, files, etc.). It is time to leave the office and make the two-hour journey home. You will be working on this project a bit more when you arrive at home. Your computer's battery is failing and only has a very short life span (about one hour) before your computer loses power. When you arrive home and open the lid of your laptop, nothing happens. After plugging in your computer and powering it on, you find that all of your programs and files have been closed. To troubleshoot this, you open Control Panel and navigate to the settings that control what your computer will do when the laptop lid is closed. Which of the following power settings MUST you choose to prevent the same problem in the future? When I close the lid: Standby When I close the lid: Sleep/Suspend When I close the lid: Shut down When I close the lid: Hibernate

Make sure the touchpad is enabled. Clean it using a soft, clean rag. Reconfigure the sensitivity. Run full scan for malware. Recalibrate the touchpad, update the drivers. A USB mouse may be connected too.

How do you fix common problems with a laptop touchpad?

First check to see that the touch pad is enabled with the function key

How do you fix common problems with a notebook touchpad?

Check the notebook's documentation first.

How do you identify the location of components and replacement procedures for notebook systems?

Connect an external keyboard. Check for special keyboard features that could be enabled that may cause some keys to perform alternate tasks.

Vera has brought her notebook computer to you for repair. After listening to her describe its symptoms, you hypothesize that the notebook may have a malfunctioning keyboard. Which of the following steps can you take to BEST determine whether the keyboard needs to be replaced? (Select TWO). Use Device Manager to make sure the correct keyboard driver is installed and up to date. Check for special keyboard features that could be enabled that may cause some keys to perform alternate tasks. Check for cracks in the power bundles that go from the keyboard to the motherboard. Connect an external keyboard. Recalibrate the keyboard's pressure sensors.

Working - Use the entire system, components that aren't used enter low power state. Standby - switch the system from low to high-power state quickly to respond to hardware/network events. Sleep - Looks like it's off but volatile memory is refreshed and some components remain powered to receive input. Hybrid Sleep (Desktop Only) - Hibernation file to save the system state in case of power outage. Hibernate - Appears to be off, power consumption at lowest level, volatile memory is saved to hibernation file to preserve system state and can wake from input. Soft Off - Appears off, state is comprised of full shutdown and boot cycle Mechanical Off - System is off, no power, only returns to working state after full reboot.

What is the purpose of each Power State?

Toggle the dual display function key on the laptop.

When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter would like it to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change? Toggle the dual display function key on the laptop. Select the proper video source from the projector's settings menu. Change the dual display settings in the operating system's control panel. Disconnect and reconnect the laptop to the projector.

Check the system's documentation to see what the system will support. Maximum memory, form factor, speed, etc.

When purchasing a replacement internal drive for a notebook, which specifications should you verify before the purchase?

Sleeping

Which ACPI power state allows a system to start where it left off, but all other components are turned off? Mechanical Off Sleeping Soft Off Working

180 degree rotating touchscreen

Which feature makes it possible to close some notebook computers and still use the touchscreen? Dual display External touchscreen Removable touchscreen 180 degree rotating touchscreen

Nickel cadmium (NiCad) this is because of the memory effect.

Which of the following battery types has the greatest need to be completely drained before being recharged? Carbon Nickel metal hydride (NiMH) Lithium ion (LIB) Nickel cadmium (NiCad)

Lithium ion (LIB)

Which of the following battery types offers the greatest storage capacity in the smallest amount of space? Nickel metal hydride (NiMH) Nickel cadmium (NiCad) Carbon Lithium ion (LIB)

MicroDIMM

Which of the following is a 172-pin DIMM often used in laptops? MicroDIMM DIMM+ TinyDIMM MacroDIMM

Pointing stick or Trackpoint

Which of the following is an extra button or knob on a laptop keyboard that moves the mouse cursor? ExpressCard Digitizer Pointing stick Touch pad

Mini-PCI

Which type of interface is typically used for internal wireless networking cards in laptops? Mini-PCI ExpressCard Firewire PCI USB

Change the power settings to increase battery life by lowering/cutting power to non-essential components/devices

While running on batteries, the power level of your laptop battery drops quickly. What can you do?

They are specialized mobile processors that are optimized for mobile devices, but can generate heat and need to have clear vents to cool properly.

Why don't processors for laptop computers require the large heat sink and fan combinations that PCs use to dissipate heat?

Enable Bluetooth in the BIOS/UEFI configuration.

You have just purchased a new laptop with built-in 802.11 wireless and Bluetooth capabilities. When you boot into Windows, you do not see a Bluetooth adapter listed in Device Manager. Which of the following would be BEST to perform first? Enable the Bluetooth device in Device Manager. Replace the wireless card in the laptop. Enable Bluetooth in the BIOS/UEFI configuration. Update the device driver in Windows.

An LCD display that uses CCFL backlighting.

You have removed the bezel from a notebook display that has stopped functioning. You see a DC-to-AC power inverter at the base of the screen. Which of the following BEST describes the type of display you are working with? An LED display that does not use backlighting. An LCD display that uses CCFL backlighting. A plasma display that does not use backlighting. An LCD display that uses LEDs for backlighting.

The inverter in the LCD assembly has malfunctioned. The cold cathode fluorescent lamp has burned out and needs to be replaced.

You're troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD 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 is the MOST likely cause? (Select TWO). The extended download placed high demands on the system DC power, causing the BIOS to shut off the backlight. The inverter in the LCD assembly has malfunctioned. Malware was installed as part of the download that targeted the backlight circuitry. The cold cathode fluorescent lamp has burned out and needs to be replaced. The wireless network card is emitting radio signals that interfere with the backlight, causing it to stop functioning.

Recalibrate the digitizer pad.

You're troubleshooting a notebook system that uses a digitizer pad and stylus for user input. The user has complained that the digitizer pad registers stylus registers taps about one inch to the right of where the taps actually occur. Which of the following actions would MOST likely fix this issue? Replace the digitizer pad. Remove any scratches from the digitizer pad. Recalibrate the digitizer pad. Replace the stylus. Hold the stylus at an increased angle.

processor (laptop)

built especially for laptop computers have lower power consumption requirements and producer less heat than desktop ones. you can configure it to use a lower bus speed when running from battery power thereby conserving battery life do not have the larg heat sink and fan combinations ; rather it is controlled by minimizing power consumption and small fans that draw away heat

Wireless Network Card (laptop)

might be integrated onto the motherboard, or added through add-on cards. they require an antenna; be sure to reconnect both the antenna nd keyboard connectors when replacing

networking (laptop)

most include built-in networking devices such as an Ethernet port, modem port, wireless Bluetooth, and/or infrared