Hi @roysterdoysterMBP4,1 Early 2008 17" update success, Build 19H1515 is running flawlessly, SU 2021-007 brought back the built-in trackpad, which was not working (except for zooming and scrolling) in previous builds.
may I ask what are vendor and product ids of your built-in trackpad?
Does the two fingers+click works as right click?
I was never able to make it work under catalina (even with 19H1519), now I upgraded to big sur and the same issue persists.
I own a macbook pro 4,1 early 2008 15".
My keyboard+trackpad was replaced in 2009/2010 if I remember well with this:
Product id: 0x0230
Vendor id: 0x05ac
v. 0.70
Cursor is ok, left click is ok, but right click is a no go..I'm able to make it work only with an old third party app.
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