220-802 Question #185: Real Exam Question with Answer & Explanation

The correct answer is D: The memory configuration. Beep codes are generated by the motherboard BIOS when a critical hardware component fails the Power-On Self-Test (POST). The most common cause of beep codes-across virtually all BIOS manufacturers (AMI, Award, Phoenix)-is a RAM problem: missing, improperly seated, incompatible, o

Question

A technician is troubleshooting a PC that is not completing POST and merely provides an audible beep code. Which of the following should be the FIRST item checked?

Options

AThe type of IDE cable used for the hard drive
BThe CMOS battery charge
CThe amount of available power to the hard drive
DThe memory configuration

Explanation

Beep codes are generated by the motherboard BIOS when a critical hardware component fails the Power-On Self-Test (POST). The most common cause of beep codes-across virtually all BIOS manufacturers (AMI, Award, Phoenix)-is a RAM problem: missing, improperly seated, incompatible, or failed memory modules. Because the system cannot even begin to POST without working memory, RAM is always the first component to check. The IDE cable type, CMOS battery, and power to the hard drive are not checked during the early POST stage that generates beep codes.

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