Tag: lights

Troubleshooting Common Hardware Problems – CompTIA A+ 220-802: 4.2

Troubleshooting Common Hardware Problems – CompTIA A+ 220-802: 4.2

| May 26, 2013 | 0 Comments

When hardware fails, a number of messages and errors can occur during boot and in the operating system. In this video, you’ll learn how to troubleshoot lockups, boot problems, overheating, random reboots, and many other problems.

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Has anyone seen my desk?

Has anyone seen my desk?

| October 8, 2012

You are installing a new gigabit Ethernet connection, and when you plug in the network cable into your laptop the status light indicators are dark. Which of these would be the most likely status of the network connection?

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The day that the lights went out

The day that the lights went out

| July 9, 2010

You’ve been using a computer to surf the ‘net, but it has suddenly stopped all communication over the network. When you look at the network connection, you don’t see any status lights. What is the most likely cause of this issue?

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CompTIA A+ 220-701: 2.2 – Hardware Issues

CompTIA A+ 220-701: 2.2 – Hardware Issues

| May 30, 2010 | 1 Comment

Hardware issues can impact performance, cause application glitches, or render a PC completely unusable. In this video, you’ll learn how to identify hardware problems such as excessive heat, noise issues, and audible alerts. << Previous Video: Operating System IssuesNext: Documentation and Resources >>

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Why won’t your computer work?

Why won’t your computer work?

| February 12, 2010

You’ve arrived for work in the morning and powered up your computer. Instead of the normal start screen, the screen is blank and no sound is heard from the computer. The monitor lights are on, but the computer lights aren’t lit. What is the most likely cause of this problem?

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