Likely Cause(s):
Symptom(s):
Possible solutions:
- Potential hardware issue
- Operating system or software settings
- USB port issue
- Logitech Control Center was installed or updated on macOS Mojave 10.14 or later and user permissions have not been set. See Logitech Control Center permission prompts on macOS Mojave for more information.
Symptom(s):
- Single-click results in a double-click
- Middle-click scroll erratic behavior
- Button gets stuck or responds intermittently
- The assigned function does not work
- The button doesn’t respond at all
Possible solutions:
- Clean the button with compressed air.
- Verify the device or receiver is connected directly to the computer and not to a hub, extender, switch or something similar.
- Unpair/repair or disconnect/reconnect hardware.
- Upgrade firmware if available.
- In Setpoint or Logitech Control Center.
- Adjust scroll settings
- Assign a different function to the scroll button
- Disable Smooth Scrolling
- Please also check Erratic scrolling with SetPoint when using Chrome, Internet Explorer, or Windows 8 Start screen apps.
- Windows only — try using a different USB port. If it makes a difference, try updating the motherboard USB chipset driver.
- Try on a different computer:
- Windows only — if it works on a different computer, then the issue might be related to a USB chipset driver. If it doesn’t work on a different computer, then it may be a hardware issue.
- Mac only — if it works on a different Mac, then check for Mac OS X updates. If it doesn’t work in a different Mac, then it may be a hardware issue.
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