How to Fix WiFi Disconnects During Video Calls: Zoom, Teams, and Google Meet

Your WiFi works fine for everything else — until you join a Zoom call. Then it drops, stutters, or kicks you out entirely. This is one of the most common complaints in home networking, and it happens for a specific reason: video calls are uniquely demanding on your wireless connection. Unlike loading a web page, a live video call requires a sustained, low-latency stream in both directions, with almost no tolerance for interruptions. A connection that is “good enough” for Netflix often falls apart under that kind of pressure.

This guide covers every meaningful fix, from quick one-minute changes to permanent hardware solutions.

Why Video Calls Expose WiFi Problems Other Apps Hide

Streaming video (Netflix, YouTube) uses large buffers — the app downloads 30–60 seconds of content ahead of what you’re watching, so a brief WiFi hiccup goes unnoticed. Video calls have no such buffer. Every packet must arrive within milliseconds or the other person’s face freezes and audio cuts out. A two-second WiFi dropout that you’d never notice on YouTube will drop you from a Zoom meeting entirely.

Upload bandwidth is also critical here. Most home internet plans are asymmetric — fast download, slower upload. Zoom, Teams, and Meet all need solid upload speeds to send your video and audio to other participants.

Step 1: Check Your Actual Bandwidth

Before changing any settings, run a speed test (use the tool on this site) and compare your results to each platform’s requirements:

Zoom: 600 Kbps up/down minimum for 1:1 calls; 1.2 Mbps for 720p HD; 3.8 Mbps upload / 3.0 Mbps download for 1080p group meetings.
Microsoft Teams: 500 Kbps minimum; 1.5 Mbps for HD video; 4–6 Mbps when screen sharing or using multiple video feeds simultaneously.
Google Meet: Adapts automatically, but Google recommends 3.2 Mbps upload and download for the best experience.

If your speed test shows you have plenty of bandwidth but calls still drop, the problem isn’t raw speed — it’s consistency. A connection that swings between 50 Mbps and 2 Mbps every few seconds will cause drops even though the average looks fine. Run a test during a call if you can, or check our guide on fixing WiFi packet loss to measure stability.

Fix 1: Disable WiFi Power Management (Windows)

This is the most overlooked cause of video call drops on Windows laptops. By default, Windows allows the operating system to put your WiFi adapter into a low-power state to save battery. When this happens mid-call, the adapter briefly stops transmitting, which looks exactly like a network dropout to Zoom or Teams.

Press Win + X and open Device Manager.
Expand Network Adapters and right-click your WiFi adapter.
Select Properties → Power Management tab.
Uncheck “Allow the computer to turn off this device to save power.”
Click OK and retest.

On Windows 11, also go to Settings → System → Power & battery and set the power mode to Best performance during calls.

Fix 2: Disable WiFi Power Management (macOS)

macOS handles power management differently but has a similar issue. Go to System Settings → Battery and make sure “Enable Power Nap” is turned off. On older Macs, open System Preferences → Energy Saver and uncheck “Wake for Wi-Fi network access.” For persistent WiFi issues, renewing your DHCP lease can also help: go to System Settings → Network → Wi-Fi → Details → Renew DHCP Lease.

Fix 3: Switch From 2.4 GHz to 5 GHz

If your router broadcasts separate SSIDs for each band (e.g., “HomeNetwork” and “HomeNetwork_5G”), make sure your computer is connected to the 5 GHz network. The 2.4 GHz band is heavily congested in most homes and apartment buildings — it shares spectrum with microwaves, Bluetooth devices, baby monitors, and every neighbor’s router. This congestion creates exactly the kind of intermittent packet loss that disrupts video calls.

The 5 GHz band has more channels, less interference, and significantly lower latency. The tradeoff is shorter range, so this fix only works if you’re within reasonable distance of your router. If you have a single SSID (band steering enabled), see our guide on how to enable and control band steering to force devices to 5 GHz.

Fix 4: Move Closer to the Router (or Use Ethernet)

Every wall, floor, and large appliance between you and your router degrades signal quality. A device showing “3 bars” may still have a high error rate that causes retransmissions — the root cause of jitter and dropped calls. The fastest fix is to physically move closer to the router during calls.

The permanent fix is a wired Ethernet connection. A $15 USB-C to Ethernet adapter (for modern laptops) eliminates WiFi as a variable entirely. Ethernet is inherently more stable than WiFi — no interference, no power management issues, no channel congestion. If you work from home and take back-to-back meetings, this single hardware addition will make the biggest quality-of-life improvement of anything on this list.

Fix 5: Update Your WiFi Adapter Driver

Outdated or buggy WiFi drivers are a surprisingly common cause of drop-outs, especially on Windows. Driver updates often contain fixes specifically for stability under sustained load.

Windows: Open Device Manager, right-click your WiFi adapter, and select Update driver → Search automatically. If Windows finds nothing, visit the manufacturer’s website directly (Intel, Qualcomm, Realtek, or your laptop brand’s support page) for the latest driver package.
macOS: WiFi drivers are bundled with the OS. Run Software Update to ensure you’re on the latest macOS version.

If a recent driver update caused the drops, roll back: in Device Manager, go to the adapter Properties → Driver tab → Roll Back Driver.

Fix 6: Enable QoS and Prioritize Video Call Traffic

Quality of Service (QoS) lets your router prioritize certain types of traffic. If someone in your home is downloading a large file or streaming 4K video while you’re on a call, QoS ensures your call packets get through first. Log into your router’s admin panel and look for a QoS section under “Advanced” settings. Prioritize by device (your laptop’s IP or MAC address) or by application type (video conferencing / VoIP). See our full guide on WiFi QoS settings for step-by-step instructions per router brand.

Fix 7: Change Your WiFi Channel

Channel congestion from neighboring networks causes packet collisions that look like random dropouts. Use a free WiFi analyzer app (WiFi Analyzer on Android, or the built-in Wireless Diagnostics on macOS) to see which channels nearby networks are using. Then log into your router admin panel and manually set the 2.4 GHz channel to 1, 6, or 11 — whichever is least congested. For 5 GHz, any channel in the UNII-1 or UNII-3 band that isn’t heavily used will help. See our detailed walkthrough at how to change your WiFi channel.

Fix 8: Update Your Router’s Firmware

Router manufacturers release firmware updates that fix stability bugs, improve WiFi performance under sustained load, and patch security vulnerabilities. Many routers have an auto-update option in their admin panel — enable it. If not, log in, go to Administration or Advanced settings, and check for updates manually. This is especially important if your router is more than a year old and has never been updated. Our guide on how to update router firmware covers the process for major brands.

Fix 9: Reduce Background Bandwidth Usage

Video calls compete with every other device and process on your network. During a meeting, pause or pause large cloud backup jobs (Dropbox, Google Drive, OneDrive), stop torrent clients, and ask other household members to avoid streaming 4K video. On your own machine, close unnecessary browser tabs and background apps. Cloud sync services in particular tend to pick the worst moments to push large uploads.

Quick Diagnostic Checklist

Work through these in order before spending money on new hardware:

Run a speed test — confirm upload and download meet your platform’s requirements.
Disable WiFi power management on your device (Windows: Device Manager; macOS: Battery settings).
Switch to 5 GHz if you’re on 2.4 GHz.
Update your WiFi adapter driver.
Change your router’s WiFi channel to a less crowded one.
Update your router’s firmware.
Enable QoS and prioritize your laptop or video call traffic.
If all else fails, plug into Ethernet for calls.

If drops persist after all these steps, the issue is likely upstream — your ISP connection rather than your home network. Run a speed test during a drop to confirm, and contact your ISP if you see speeds well below your plan speed. You can also check our guide on how to tell if your ISP is throttling your connection.