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Controlling Mouse Via Keyboard


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#1 Davros0

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Posted 14 February 2008 - 07:09 PM

I wonder if anyone can help?

For some reason I seem to be a Grim-reaper to trackballs. As I have suffer from Cerebral-Palsy, which affects my motor-co-ordination, I find it very hard to use a mouse; for this reason I use a trackball. For some reason I seem to always get fluff, and the like, around the rollers. Only having the use of one hand I find it impossible to start dismantling things with screws in them.

When this happens, and until I find someone who can take the trackball apart, I resort to controlling the mouse via the keyboard. As I use a mini-keyboard (I hate full-sized keyboards) I find that MicroSoft's Mouse Keys is a pain, as to use it I have to turn on NUMLOCK to use the numeric keypad which is incorporated into my typing keys.

Up until now I have only ever found Key Mouse Genie that allows me to use the cursor keys to move the mouse, which I think is the most obvious choice, and in some ways is easier than me using a trackball.

Does anyone know of any other program that allows the user to control the mouse via the keyboard cursor keys, or any other keys of his/her choosing?

OS = Vista Ultimate-32

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#2 garmanma

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Posted 14 February 2008 - 10:23 PM

I use a Kensington Expert Trackball. I like the big marble. All you have to do is turn it over and the ball comes out for easy cleaning. It has 3 guides the ball rests on that hold small nylon spheres. I removed those and replaced them with high-strength ceramic ball bearings and now it flies. An added plus is it doesn't seem to clog up as much
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#3 Davros0

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Posted 15 February 2008 - 06:31 AM

Unfortunately, it is the Kensington Expert Mouse Pro that I have sat on my keyboard shelf. I used to have their Orbit trackball which lasted about 6 years (though it had been taken apart many times). When that could no longer be repaired I went for the Orbit Optical, but that was not very good and lasted about 9 months. When replacing that I looked at the Expert Pro, and thought that it looked a sturdy piece of kit. Since the Orbit lasted about 6 years (I loved that trackball), I thought that this would possibly do better.

After about 7 months it was getting "iffy", and just removing the marble, and cleaning, did not seem to cure it. A friend then took it apart and we used a paint brush on it to clean the circuit board and the guides. Fine for a few months. When we tried it again it did not seem to work. I could only move the pointer horizontally if I kept one of the buttons depressed whilst moving the marble.
Now even that does not work, hence the need for keyboard "replacement", until I can get this looked at or look at buying another.

#4 garmanma

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Posted 15 February 2008 - 09:13 AM

2 sites to look at
Life without a mouse
http://www.cs.tut.fi
2 things to look for with your trackball. As I mentioned, the spheres that support the marble and the build-up of crud on the inside of the scroll ring. You have to scrape it off with a knife

Edited by garmanma, 15 February 2008 - 09:17 AM.

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#5 Davros0

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Posted 15 February 2008 - 09:31 AM

Thanks for the links and the advice.

Hopefully the gentleman who was looking at it last was too gentle with it. From the sound of it a paint brush is sometimes not enough. :-)

#6 garmanma

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Posted 15 February 2008 - 12:24 PM

When you look at the white nylon ball guides, you'll notice that they will actually wear down and create a flat spot. That's why I went to ceramic. Yes, the crud on the scroll ring needs more than a paintbrush. When you're using the ball and the cursor is moving all over the place, that's an indication of the build-up problem
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#7 usasma

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Posted 15 February 2008 - 07:48 PM

The Logitech Trackman Wheel has a ball that's very easy to pop out. Even if you can't pull it out, there's a hole on the bottom that you can shove a pencil into - and out pops the ball. Then a quick swipe and you've cleaned off the rollers and can pop the ball back in.
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