CompTIA A+ Guide to IT Technical Support Chapter 1 Questions

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What type of computer is likely to use SO-DIMMs, have an internal power supply, and use a desktop processor socket?

A laptop

A four-year-old laptop will not boot and presents error messages on screen. You have verified with the laptop technical support that these error messages indicate the motherboard has failed and needs replacing. What is the order of steps you should take to prepare for the repair?

Ask yourself if the laptop is still under warranty, then ask yourself if replacing the motherboard will cost more than purchasing a new laptop, then find the service manual to show you how to replace the motherboard, then find a replacement motherboard.

Your friend asks for your help because her laptop screen is too dim to read anything. What is the first step you should take to fix the problem?

Check to see if it is under warranty, if not locate diagnostic tools and repair manuals from the manufacturer.

After troubleshooting a problem, you decide that the wireless card has failed in a laptop. What do you do first before you disassemble the laptop?

Check to see if the laptop is still under warranty.

Your boss asks you to give a presentation and you need to use a projector to show a slideshow. What are the steps to display the slideshow on both your laptop and the projector simultaneously?

Connect the laptop to the projector, then enable dual displays.

A friend was just promoted to a new job that requires part-time travel, and he has also been promised a new laptop after his first month with the company. He needs an easy way to disconnect and reconnect all his peripheral devices to his old laptop. Devices include two external monitors (one HDMI, one DVI), a USB wireless mouse, USB wireless keyboard, Ethernet network, USB printer, headphones, and microphone. He has a budget of $100. What kind of device would best suit his needs? Why? Research online to find a recommendation for a device that will work best for him. What is your recommendation and why?

He could use a docking station if his laptop has a docking port, or he can use a port replicator. The WAVLINK USB 3.0 universal docking port would work with basically any laptop, is within his price range, and has all the ports he needs.

A foreign exchange student brought his desktop computer from his home in Europe to the United States. He brought a power adapter so that the power cord would plug into the power outlet. He tried turning on his computer, but it wouldn't power on. What is likely the problem? What should you warn him about when he returns home at the end of the year?

He probably needs to set the dual-voltage selector switch to the proper voltage. This will need to be done again when he returns home.

When a laptop internal device fails, what three options can you use to deal with the problem?

If the laptop is under warranty, you can have it serviced by the manufacturer. If not, you can substitute an external component, replace the component yourself, or just replace your laptop.

Why are laptops usually more expensive than desktop computers with comparable power and features?

Laptop components are designed to be smaller and use less energy, which makes them harder to manufacture and service.

You are looking to buy a laptop on a budget that requires you to service and repair the laptop yourself, and you want to save money by not purchasing an extended service agreement beyond the first year. To limit your search, what should you consider when choosing manufacturers? Which manufacturers would you choose and why?

Lenovo, they are fairly priced and provide decent support.

You disassemble and reassemble a desktop computer. When you first turn it on, you see no lights and hear no sounds. Nothing appears on the monitor screen. What is the most likely cause of the problem? Explain your answer.

Power cords to the motherboard are not connected. The computer would still attempt to boot up if it were any of the other options.

You purchase a new desktop computer that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet. What are the two least expensive ways (choose two) to upgrade your system to wireless?

Purchase a wireless expansion card and install it in your system and purchase a USB wireless adapter and connect it to the computer by way of a USB port.

You're building a new desktop computer from parts you picked out and purchased. You invested a good deal of money in this computer and want to be sure to protect your investment while you assemble it. What precautions should you take to protect your computer from damage and electrostatic discharge?

Use an ESD strap and antistatic bags, avoid touching chips or soldered components with your hands, and don't stack boards.

Your laptop LCD panel is blank when you boot up. You can hear the laptop turn on, and the keyboard backlight is on. You have checked the brightness using the function keys, and that is not the problem. What is an easy next step to determine if the LCD panel has failed? Describe how that next step can also help if the LCD panel has failed, but the replacement components won't arrive for a week and you still need to use your laptop.

You could connect the laptop to an external monitor, which shows if the LCD panel has failed but also gives you a way to continue to use the laptop until a replacement part arrives.

When troubleshooting a computer hardware problem, which tool might help with each of the following problems?

a - Loopback plug b - POST card c - Power supply tester or multimeter


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