CompTIA A+ Core 2 (220-1202) — Question 91

A user hears an unexpected noise coming from their desktop computer. To troubleshoot the issue, a technician needs to open the case. Which of the following actions should the technician take next?

Answer options

• A. Open the system cover.
• B. Ground the system.
• C. Disconnect the power.
• D. Remove any peripheral devices.

Correct answer: C

Explanation

The correct action is to disconnect the power to ensure safety before opening the case, as it prevents electrical shocks or short circuits. Opening the system cover, grounding the system, or removing peripheral devices do not provide immediate safety and could lead to accidents while troubleshooting.