Sorry for not replying. Gave up and sent my Dell computer back. New laptop is an ASUS running 24H2, so I don't have the problem anymore. Thanks again.
Mouse scroll (Keychron Bluetooth) not working in Copilot or other Windows dialogs
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Anonymous
New install. Mouse scroll doesn't seem to work in Copilot window and I'm pretty sure other Windows dialog boxes as well.
Scroll is set to 5. Not sure what's going on.
Windows for home | Windows 11 | Accessibility
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Michael Le (WICLOUD CORPORATION) 11,235 Reputation points Microsoft External Staff Moderator2025-10-03T03:46:02.84+00:00 I'm glad to hear that the issue has been resolved. If you have any other questions, feel free to ask.
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Michael Le (WICLOUD CORPORATION) 11,235 Reputation points Microsoft External Staff Moderator
2025-09-24T04:20:21.1933333+00:00 Hello Dale,
Thank you for reaching out.
Have you checked the inactive windows scrolling setting yet? Sometimes, Windows has trouble determining which window is "active" for scrolling.
But I doubt that this is the issue here, since you mentioned that scrolling works fine in other windows. However, it's still worth checking.
- Go to Settings > Bluetooth & devices > Mouse.
- Look for a setting called "Scroll inactive windows when I hover over them".
- Try toggling this setting OFF if it's on, or ON if it's off.
- Test the scroll behavior in Copilot again.
I hope this could help resolve the issue.
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Michael Le (WICLOUD CORPORATION) 11,235 Reputation points Microsoft External Staff Moderator
2025-09-30T06:09:56.8+00:00 Hello Dale, has your issue been resolved yet?
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Michael Le (WICLOUD CORPORATION) 11,235 Reputation points Microsoft External Staff Moderator
2025-09-30T07:08:29.0766667+00:00 Hi Dale,
If you have access to another machine running Windows 11 25H2, testing the mouse there would be a great final step to isolate the cause.
- If the mouse also fails on the other 25H2 machine, it strongly confirms this is an issue in the Windows update.
- If the mouse works correctly on the other machine, it suggests the issue is specific to your current PC's software environment.
The most effective course of action now is to report this directly to the Microsoft engineering team via the Feedback Hub.
Follow these steps to report the issue:
- Press the Windows key + F to open the Feedback Hub.
- Click on Report a problem.
- Provide a clear title, such as "Mouse scroll wheel not working in Copilot after 25H2 update".
- In the details section, explain the issue and mention that it's with a Keychron Bluetooth mouse and that scrolling works in other applications.
- Use the Recreate my problem option under the "Add more details" section. This will record the system's behavior as you try to scroll in Copilot, which is extremely valuable for the developers.
In the meantime, continue to check for new Windows Updates, as a patch may be released in an upcoming cumulative update.
I hope this helps, and please let me know if you need any further assistance.
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Randy Baroja 20,600 Reputation points Independent Advisor2025-09-24T00:34:22.4366667+00:00 Hi Dale,
That can be really frustrating when a new install doesn’t behave the way you expect. A couple of things you can try: first, make sure your Bluetooth mouse driver is fully updated in Device Manager, because Windows sometimes defaults to a generic driver that doesn’t support smooth scrolling in certain UI windows. Second, in Settings > Bluetooth & devices > Mouse, try changing the scroll setting (lines vs. one screen at a time) and test again some dialog boxes don’t respond properly unless it’s set to lines. Third, check if “Smooth scrolling” is enabled in your browser or app where you notice the issue, since Copilot is rendered through system UI elements that can be picky about scroll input. Lastly, if you have any Keychron software or a utility like VIA/QMK or third-party mouse tools, make sure they’re not overriding scroll behavior.
Can I ask does the scroll wheel work normally in File Explorer, browsers, or Word/Excel? And when you say "other dialogs," do you mean things like Settings pop-ups or UAC prompts, or just Copilot-style panels?
Kind regards,
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Anonymous
2025-09-24T01:04:18.43+00:00 None of your suggestions have worked so far. PRETTY sure Keychron doesn't have a proprietary driver. Sent a note to them.
Does seem to work in most Windows. Copilot is the biggest exception. Phone Link doesn't work either.
BTW, this is a 25H2 installation.
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Randy Baroja 20,600 Reputation points Independent Advisor
2025-09-24T12:04:23.6533333+00:00 Hi,
Since your Keychron mouse works in most apps but not in Copilot or Phone Link, the issue is likely with how Windows’ modern apps handle scroll input rather than the mouse itself. Try changing the scroll mode in Settings > Bluetooth & devices > Mouse (switch between "lines at a time" and "one screen at a time") because some apps ignore very small scroll steps; also test turning off “Scroll inactive windows when hovering over them” since this can interfere with embedded panels. If you’re on a laptop, check your touchpad settings, as Windows sometimes prioritizes those drivers in newer apps. If your mouse supports a wired or dongle connection, try that to see if Bluetooth is the culprit. Finally, make sure Windows is fully updated, since Copilot and Phone Link rely on the latest UI framework updates.
Kind regards,
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Anonymous
2025-09-24T17:07:30.91+00:00 Could this be a 25H2 bug? No problems before update. Anything reported?
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Anonymous
2025-09-24T19:02:12.8466667+00:00 Didn't help. Was off, now on.
Have touchpad off, since I'm using a mouse.
Bluetooth is using the latest Intel driver.
Glitch in 25H2?
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Randy Baroja 20,600 Reputation points Independent Advisor
2025-09-25T08:51:26.9966667+00:00 Hi,
It does look like this could be a Windows 25H2 bug or regression rather than anything wrong with your Keychron mouse, since scrolling works fine in most places but fails in Copilot and a few modern UI apps that points to Windows itself not handling scroll events correctly in certain panels. As a quick test, try resizing or maximizing/minimizing the Copilot or Phone Link window, since some users say this "refreshes" the interface and restores scrolling. Also, make sure you’ve installed the very latest cumulative update for 25H2, since Microsoft sometimes slips in hotfixes for UI quirks like this after release.
Kind regards,
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