Which touchpad is in my notebook?
Please tap the sensitive area on the upper right corner and lower right corner of touchpad, if the scroll bar can slide normally, then the vendor is Sentelic. The other vendor is Synaptics, if you want to use the function of scroll bar, which scrolls by sliding your finger up and down the right of the touchpad, please use the Synaptics driver.
Elantech driver
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https://forum-en.msi.com/faq/article/which-touchpad-is-in-my-notebook