Discover why Wi-Fi keeps disconnecting randomly and how interference from nearby devices is the most common cause. Learn practical solutions to stabilize your wireless connection and prevent frequent drops, as required for the CompTIA A+ Core 1 220-1101 exam.
Table of Contents
Question
A user’s Wi-Fi keeps disconnecting randomly throughout the day. What is the most likely cause?
A. A failing power supply
B. An outdated processor
C. A corrupted operating system
D. Interference from nearby devices
E. An external hard drive failure
Answer
D. Interference from nearby devices
Explanation
Wireless interference from devices like microwaves and other Wi-Fi networks can cause connectivity issues.
Frequent Wi-Fi disconnections are most often caused by interference from nearby devices. Many household electronics—such as microwaves, cordless phones, baby monitors, Bluetooth devices, and even neighboring Wi-Fi networks—operate on the same 2.4 GHz or 5 GHz frequencies as Wi-Fi routers. This overlap can disrupt the wireless signal, causing devices to disconnect randomly throughout the day.
Other contributing factors include:
- Physical obstructions (walls, metal, furniture) that weaken the signal.
- Channel overcrowding, especially in densely populated areas where multiple Wi-Fi networks use the same channel.
- Electrical devices generating electromagnetic interference.
- Outdated router firmware or incorrect router settings.
Solutions:
- Move the router away from other electronic devices and place it in a central, open location.
- Change the Wi-Fi channel on your router to avoid congestion from neighboring networks.
- Update router firmware to the latest version.
- Reduce the number of connected devices if possible.
Addressing wireless interference is the most effective way to resolve random Wi-Fi disconnections in typical home and office environments.
CompTIA A+ Core 1 220-1101 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the CompTIA A+ Core 1 220-1101 exam and earn CompTIA A+ Core 1 220-1101 certification.