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If you’re using a Mac Studio with dual screens and notice a glowing border around your second monitor after updating to OS version 26.3, you’re not alone. Many users have experienced this quirky issue where an Apple Intelligence or Siri border appears on the second display. Luckily, there are some simple steps you can take to troubleshoot and hopefully resolve this problem.
First, try turning off Apple Intelligence or Siri altogether. Sometimes toggling these features off and back on can reset the display settings. If that doesn’t help, restart your Mac Studio and see if the border still appears. You might also want to disconnect and reconnect your second monitor to reset the connection.
Another trick is to take a screenshot of the second display. Interestingly, the glowing border often doesn’t show up in the screenshot, which confirms it’s a display overlay rather than an actual part of your screen content. This can help you determine if the issue is visual or affecting your overall system performance.
If the border persists, check for any software updates. Apple frequently releases updates to fix bugs and improve performance, and the latest version might contain a fix for this issue. Make sure your system is updated to the newest available software.
If none of these steps work, consider resetting your display settings. You can do this by deleting certain preference files related to display settings or resetting the NVRAM on your Mac. However, if you’re unsure about this process, it might be best to contact Apple Support for help.
In the meantime, keep an eye on your display’s behavior and consider whether any specific applications trigger the border. Sometimes, third-party apps or accessibility features can cause odd visual effects.
By following these suggestions, you should be able to reduce or eliminate that distracting glowing border. It’s a frustrating issue, but with a bit of patience, your dual screens should be back to normal in no time.
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