Re: P52 - ELAN Touchpad driver (ETD.sys) issues (latency spikes, BSoD) in ThinkPad: P and W Series Mobile Workstations https://forums.lenovo.com/t5/ThinkPad-P-and-W-Series-Mobile-Workstations/P52-ELAN-Touchpad-driver-ETD-sys-issues-latency-spikes-BSoD/m-p/4260487 ThinkPad: P and W Series Mobile Workstations topics Mon, 03 Jun 2019 13:05:36 +0000 tp07_en <![CDATA[ Re: P52 - ELAN Touchpad driver (ETD.sys) issues (latency spikes, BSoD) ]]> https://forums.lenovo.com/topic/findpost/1306/4260487/4444930  

Reply above is my previous post and now I just found this thread. 

After installing trial firmware, latency of my touchpad get better, but it still has some dragging problem time to time. 

And it's accuracy of movement is still terrible.