How to Fix Zoom Poor Video Quality and Pixelated Video

What Causes This?

Poor or pixelated Zoom video usually happens when your PC cannot keep up with real-time video processing, or when Zoom lowers video quality to match limited system resources. High CPU usage, low available RAM, outdated graphics drivers, weak internet bandwidth, and aggressive background apps can all trigger it. In some cases, Zoom settings like HD video, hardware acceleration, or virtual backgrounds can also make video quality worse on slower systems.

Common Symptoms

• Your camera feed looks blurry, blocky, or heavily pixelated
• Other people say your video freezes or becomes choppy during meetings
• Zoom quality drops when you open other apps or browser tabs
• Video looks worse when using virtual backgrounds or HD mode
• Your laptop gets hot and the fan runs loudly during calls

How to Fix It Manually

1. Close background apps using system resources

   • Press Ctrl + Shift + Esc to open Task Manager.
   • In the Processes tab, look for apps using high CPU, Memory, or Disk.
   • Close anything you do not need during the Zoom call, especially browsers with many tabs, game launchers, cloud sync apps, and video streaming apps.

2. Check your internet connection

   • If possible, switch from Wi-Fi to a wired Ethernet connection.
   • If you must use Wi-Fi, move closer to your router and pause downloads, streaming, or large file uploads on other devices.
   • In Zoom, click your profile picture > Settings > Statistics during or before a call to see if bandwidth or packet loss looks unstable.

3. Lower Zoom video load

   • Open Zoom.
   • Click your profile picture > Settings > Video.
   • Turn off HD if it is enabled.
   • Disable Touch up my appearance and Adjust for low light temporarily to test performance.
   • If you use a virtual background, go to Settings > Background & Effects and set None to reduce GPU and CPU usage.

4. Adjust Zoom advanced video settings

   • In Zoom, go to Settings > Video > Advanced.
   • If hardware acceleration options are enabled and video is still glitchy, try turning them off one at a time and restart Zoom.
   • If they are off and your PC has a decent GPU, try enabling them instead. Some systems perform better one way than the other.

5. Update your graphics driver

   • Right-click Start and select Device Manager.
   • Expand Display adapters.
   • Right-click your graphics device and choose Update driver > Search automatically for drivers.
   • For best results, also check the GPU maker’s app or website, such as Intel, NVIDIA, or AMD, and install the latest driver.

6. Set Windows to favor performance

   • Open Settings > System > Power & battery.
   • Set Power mode to Best performance when plugged in.
   • Then go to Settings > Apps > Startup and disable nonessential startup apps that keep running in the background.

7. Restart Zoom and your PC

   • Fully quit Zoom by right-clicking its icon in the system tray and selecting Quit.
   • Restart your computer, then open Zoom again and test your camera in Settings > Video.
   • A fresh restart often clears temporary resource spikes that cause poor video quality.

Fix It Automatically with Kudu

Kudu can automatically check for the performance problems that commonly cause blurry or pixelated Zoom video, including heavy background apps, startup bloat, and system slowdowns. Instead of hunting through Task Manager and Windows settings yourself, Kudu helps clean up the resource issues that make Zoom reduce video quality.

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