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Microsoft Edge | Other | Windows 10
Other issues or features related to Microsoft Edge on Windows 10
I have an Ideapad 330 with ELAN touchpad drivers. Faced exactly the same problems. Fast scrolling only in edge chromium. Browser is up to date, so are the touchpad drivers. Vertical mouse scrolling is 3 lines at a time. Other browsers like chrome and opera aren't affected.
Finally, found an 4 year old reddit post with a fix. This solved my issue.
https://www.reddit.com/r/techsupport/comments/3lhmhq/win10_elan_touchpad_scrolling_issues/
Hope it helps :)
Here's a verification of https://answers.microsoft.com/en-us/profile/d12ed8db-b7db-46ed-967b-84f29304571c fix:
Create new system image called "Before Elan Modification".
Open Regedit.
Search for Elan.
Change ScrollControl_Mode (or similar depending on version) from 0 to 1.
Reboot.
Note: Did not fix the everlasting MS Photos vertical scrolling problem.
Changing the ScrollControl Mode from 0 to 1 fixed my new Edge "super fast scrolling problem" on my Lenovo Ideapa 305 using ELAN mouse driver. Only the new Edge had this problem on my laptop....Chrome and all other software scrolled smoothly before and after I made the mode change. I was using the latest mouse driver and even reinstalled the latest driver but it didn't help even trying all the various scroll settings....setting them to the slowest setting. However, after changing the ScrollControlMode to 1 the new Edge scrolling is usable still not nearly as smooth as Chrome. The new Edge still needs works in in scrolling speed/smoothest for some computers/mouse drivers....like various Lenovo models mentioned in this thread.