Why does my Wi-Fi disconnect during video calls?

Wi‑Fi disconnects during video calls usually happen because video calling puts a steady, two-way load on your connection, which makes any weak point in the Wi‑Fi link, router, or network adapter more noticeable than light browsing.

Common reasons include:

1. Weak signal or interference

If you’re on a crowded 2.4 GHz network, interference from other Wi‑Fi networks, Bluetooth devices, microwaves, or thick walls can briefly interrupt the connection.

Try: moving closer to the router, switching to 5 GHz or 6 GHz if available, or separating the bands in your router settings.

2. Outdated or unstable Wi‑Fi drivers

A buggy or outdated wireless driver can drop the connection under sustained use.

Try: updating the Wi‑Fi driver from your device or adapter manufacturer.

3. Power-saving settings

On some laptops, power management can make the Wi‑Fi adapter too aggressive about saving power, which can cause drops.

Try: checking the adapter’s power management settings and disabling any option that allows the computer to turn off the device to save power.

4. Router overload or instability

If your router is old, overheating, or already handling a lot of traffic, adding a video call can expose instability.

Try: restarting the router, reducing other heavy network use, or enabling QoS if your router supports it.

5. The internet connection is the problem, not Wi‑Fi itself

Sometimes the Wi‑Fi stays connected but the internet drops because of the modem, ISP, or a router reboot.

Try: see whether other devices lose internet at the same time.

If all devices disconnect at once, the router or modem is more likely the cause. If only one device drops, the issue is more likely that device’s Wi‑Fi adapter, driver, or power settings.