As of iPadOS 13.4.1, it is only possible to use your Apple Pencil as a cursor movement technique while using Sidecar. However, I have found it useful to connect my mouse to my Mac and assume that the mouse was connected to my iPad to move the Mac cursor.
You can find more detailed info about this here!
Are KVM switches even needed anymore for MacBook Pros?
As special as we'd like to believe MacBook Pro computers are, they're still computers with industry standard connectivity like USB, video, etc. What works for a PC laptop or desktop will work equally as well with a MacBook Air/Pro laptop and Mac desktop.
Do you need a KVM? No.
Just get a quality ...
I would recommend splitting this question in 2 since you had 2 different issues even though they are affecting each other.
First one (this post) would be to only figure out how to reinstall OS with just keyboard. Take some pictures with your phone and post them along with your question so we can help you better.
If your input hardware doesn't work even ...
Taken from the https://gist.github.com/mcandre/a1c6915d2e338fef6a42e54655d28062:
The PIN can be anything you want. We tried 123123
You need to type the PIN on both keyboards. First, enter a PIN into the built-in/wired keyboard. Then, enter the PIN into your Apple wireless keyboard. Be prepared for it not to connect, but don't give up.
I think Logitech has updated their mouse scroll settings since this answer was asked, and now their settings allow you to adjust horizontal scroll speed. Yay!
I recently (April 2020) bought a Logitech M705 mouse, and once you plug its little usb receiver into your computer for the first time you've got the option to install the "Logi Options" app, which ...
Mouse trails isn’t something Apple software does out of the box, and most third party apps don’t provide that. However, my experience in finding a cursor has two great options:
1. No App needed: You can increase the cursor size that will help you locate your cursor easily. Go to System Preferences > Accessibility > Display then select Cursor. See the ...
I recommend using USB Overdrive which is compatible with the latest MacOS Catalina. Reverse the scroll direction by selecting "down" on "scroll up" and vice versa for "up". If you want this setting only for specific mice this is also possible in USB Overdrive.
Further you can disable or customize the default MacOS mouse acceleration with USB Overdrive, ...