Name______Per ______

Chapter 9

Hands-on Project 9-5: Research Replacing Speakers in a Laptop

Your friend Andrea has an old laptop, an HP Pavilion zd8000, and it is still serving her well. The only complaint she has is the left speaker has a static sound to it. The other speaker sounds good. She asks you to help her out. You know since the other speaker is still good that it will require you to replace the one bad speaker. Research on the Internet to find the speaker replacement, find an online tutorial on how to replace the speaker for Andrea’s laptop, then answer the following questions.

  1. What is the price for the replacement speaker? Cite your source.

Answer:

  1. Is the cost of replacement worth more than what the laptop is worth?

Answer:

  1. Provide your source for the online tutorial.

Answer:

  1. After reviewing an online tutorial explaining the steps to replace the speaker, how long would you guess it would take you to replace the speaker, assuming everything goes as planned?

Answer:

  1. List the tools needed to replace the speaker.

Answer:

[End Hands-on Project Box Here]

Reviewing the Basics

  1. Which is faster, an eSATA-600 port or a FireWire 800 port?

Answer:

  1. What is the speed for Hi-Speed USB?

Answer:

  1. How many times faster is a Hi-Speed USB port than an Original USB port running at 12 Mbps?

Answer:

  1. Which is faster, USB 3.0 or eSATA 600?

Answer:

  1. Which is faster, Wi-Fi 802.11n or Bluetooth?

Answer:

  1. How many pins does a FireWire 800 port have?

Answer:

  1. What type of wireless transmission requires a line-of-sight clearance?

Answer:

  1. Will a printer rated to use USB 3.0 work when you connect the printer’s USB cable into a USB 2.0 port on your computer?

Answer:

  1. What is the easiest way to tell if a USB port on a laptop computer is using the USB 3.0 standard?

Answer:

  1. For an LCD monitor, what is the best resolution to use?

Answer:

  1. Which gives less glare, an LED monitor or an OLED monitor?

Answer:

  1. Which gives a better measurement for the quality of an LCD monitor, the contrast ratio or the dynamic contrast ratio?

Answer:

  1. What command do you use to find out what version of DirectX your video card is using?

Answer:

  1. Name two types of ports a keyboard might use.

Answer:

  1. Which Windows utility is most likely the one to use when uninstalling an expansion card?

Answer:

  1. Would you expect all the devices listed in UEFI/BIOS setup to also be listed in Device Manager? Would you expect all devices listed in Device Manager to also be listed in UEFI/BIOS setup?

Answer:

  1. Why is it best to leave a slot empty between two expansion cards?

Answer:

  1. Which speaker port should you use when connecting a single speaker to a PC?

Answer:

  1. What type of adapter card allows you to connect your computer to cable so that you can watch TV on your computer?

Answer:

  1. Which is faster, SuperSpeed USB or FireWire 800?

Answer:

  1. Why might a musical keyboard have two MIDI ports?

Answer:

  1. What can you do if a port on the motherboard is faulty and a device requires this type of port?

Answer:

  1. What are two screen resolutions that might be used by VGA mode?

Answer:

24. What is another name for a VGP port?
Answer:

25. Which type of drivers must always be certified in order to be installed in Windows?
Answer:

Thinking Critically

  1. If a PS/2 keyboard does not work on your system and yet you know the keyboard is good, what is the best solution?
  2. Disable the PS/2 port in UEFI/BIOS setup and use a PS/2 splitter to install a keyboard and mouse using the PS/2 mouse port.
  3. Install a USB keyboard on a USB port.
  4. Exchange the PS/2 port on your motherboard.
  5. Replace the motherboard.

Answer:

  1. You plug a new scanner into a USB port on your Windows 7 system. When you first turn on the scanner, what should you expect to see?
  2. A message displayed by the scanner software telling you to reboot your system.
  3. Windows Device Setup launches to install drivers.
  4. Your system automatically reboots.
  5. An error message from the USB controller.

Answer:

  1. You turn on your Windows 7 computer and see the system display POST messages. Then the screen turns blue with no text. Which of the following items could be the source of the problem?
  2. The video card
  3. The monitor
  4. Windows
  5. Microsoft Word software installed on the system

Answer:

  1. You have just installed a new sound card in your system, and Windows says the card installed with no errors. When you plug up the speakers and try to play a music CD, you hear no sound. What is the first thing you should do? The second thing?
  2. Check Device Manager to see if the sound card is recognized and has no errors.
  3. Reinstall Windows 7.
  4. Use Device Manager to uninstall the sound card.
  5. Identify your sound card by opening the case and looking on the card for the manufacturer and model.
  6. Check the volume controls on the speaker amplifier and in Windows.
  7. Use Device Manager to update the sound card drivers.

Answer:

  1. You have just installed a new DVD drive and its drivers under Windows 8. The drive will read a CD but not a DVD. You decide to reinstall the device drivers. What is the first thing you do?
  2. Open Control Panel and click Add New Hardware.
  3. Open Device Manager and choose Update Driver.
  4. Remove the data cable from the DVD drive so Windows will no longer recognize the drive and allow you to reinstall the drivers.
  5. Open Device Manager and uninstall the drive.

Answer:

  1. Match the following ports to the diagrams in Figure 9-85. Note that some ports are not used: Dual Link DVI-I, Single Link DVI-D, parallel, USB Type A, USB Type B, FireWire 400, VGA, DisplayPort, Mini Display Port, 4-pin S-Video, HDMI, PS/2, and serial.

Answer: