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mdaemate
Paper Tape
Posts: 5
Registered: ‎04-16-2015
Location: Suomi
Views: 1,125
Message 1 of 8

Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

At certain relatively slow speeds the scrolling jumps huge leaps regularly (probably after evey page or so). It's very bad with Chrome and Windows explorer, not so bad but noticeable in Thunderbird. I have set the scrolling to 1 line. My Synaptics drivers are the newest 10/04/2015. Also the treshold to start scrolling with middle button and trackpoint is very high - can't be that hard to make it smooth, so you could scroll very slowly?

 

Please fix this soon... it's impossible to live with.

Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 1,109
Message 2 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

You're not alone:
https://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T450s-scrolling-issues/td-p/2058728

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
mdaemate
Paper Tape
Posts: 5
Registered: ‎04-16-2015
Location: Suomi
Views: 1,003
Message 3 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

Hopefully they'll fix this soon.

Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 989
Message 4 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

Try this driver:
https://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x2...

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
mdaemate
Paper Tape
Posts: 5
Registered: ‎04-16-2015
Location: Suomi
Views: 926
Message 5 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

That's the driver I've been using Smiley Sad

Former Employee
Posts: 1,664
Registered: ‎09-16-2014
Location: US
Views: 749
Message 6 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

Another updated UltraNav driver was released on 7/15. It includes the following improvement:

 

<18.1.27.30>

- (Fix) Fixed an issue where BSOD happened after Citrix VDA application installed.

- (Fix) Improved trackpoint scrolling behavior.

 

http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-w-series-laptops/thinkpad-w55...

 

I've heard it improves scrolling behavior in Chrome. I would appreciate any feedback you have to offer on this driver.

 

Thank you,

mdaemate
Paper Tape
Posts: 5
Registered: ‎04-16-2015
Location: Suomi
Views: 720
Message 7 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

Works like charm. Of course you still can't tweak the scrolling behaviour with the driver (at least not when the pad is disabled) - it would be even nicer if the scrolling was smoother than one line. Anyway - now it's usable so I'm very grateful. Please don't break it again...
mdaemate
Paper Tape
Posts: 5
Registered: ‎04-16-2015
Location: Suomi
Views: 717
Message 8 of 8

Re: Lenovo Thinkpad W550s middle button & trackpoint scrolling doesn't work properly

Well, at least it works on Chrome now... in Windows Explorer it still snaps occasionally and won't -always- scroll active window or inactive part of the active window if the cursor is over the area.

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