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A+ Guide to Hardware (Standalone B...

9th Edition
Jean Andrews
ISBN: 9781305266452

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A+ Guide to Hardware (Standalone B...

9th Edition
Jean Andrews
ISBN: 9781305266452
Textbook Problem
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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.

a. A memory module is not seated properly in a memory slot.

b. You forgot to plug up the monitor’s external power cord.

c. A wire in the case is obstructing a fan.

d. Power cords to the motherboard are not connected.

Program Explanation

Given:

A desktop computer is disassembled and reassembled. No lights and sounds are observed when the computer is turned on. Also, the monitor screen is not showing anything.

To find: The reason for nothing appearing on the screen when the computer is disassembled and reassembled.

Solution:

When the computer is turned on after disassembling and reassembling, and nothing appears on the monitor screen, then the main problem is that the power cords that are not connected to the motherboard.

All other options will turn the computer on but if the motherboard will not get power, the booting process will not start.

Hence, option (d) is the correct answer.

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