Question about Logitech Marble Mouse Trackball

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Logitech 4 button trackball,

My ball was sticking several times per session. Thought cleaning inside might help (much cat hair ). Took all the screws out of the back and nothing opened.  Didn't want to pry with brute force and damage the ball.
   How can I get the back off to clean  ??

Thanks for your advice, in advance

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Re: Logitech 4 button trackball,

I love this trackball mouse, yet they are very sensitive to wear and trash that causes them to fail. Wal-Mart sells great ones like the Logitech LX3 optical mouse that are not as sensitive and have more features 

Posted on Oct 22, 2007

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Right mouse button closes window

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Nov 05, 2013 | Logitech Trackman Marble Wheel Trackball

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Logitech trackman wheel stopped working. I have changed the batteries and reset, but the problem persists. Can you help?Thank you, Claudia

First step would be to clean the sensor inside the ball housing. Remove the ball (turn retaining ring on bottom or simply pull out) and clean the sensor area free of debris or dust using cotton swabs or klenex. Next step would be to ensure that you have have no wireless devices such as a cordless phone or wireless routers in close proximity that may interfere with the signal. Finally, test on another computer to see if you gain functionality else it may be time to find a new mouse.

May 04, 2011 | Logitech Cordless TrackMan Wheel...

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My logitech trackball is sluggish and erratic. Does it need to be replaced?


Give it a cleaning, first before replacing.

If there is not a retaining ring, the ball should just pop out. If there is a retaining ring, turn it counter-clockwise to remove it. There may be a hole in the bottom that lets you push the ball out. Inside, there are two things you need to clean.

Look for three little bearings about the size and shape of a BB. They will probably be covered with fuzz, so they may look like little felt pads. Carefully brush away the fuzz. Be careful because if you pop one of those bearings out, it is next to impossible to get it back in.

There should also be a little black rectangle. This is the window that the sensor looks at the ball through. Clean it with a damp cloth or Q-Tip. Don't use any other cleaner since it could fog the window.

Hope this helps.

Dec 14, 2009 | Logitech Trackman Marble FX Trackball

2 Answers

Cursor jumps all over with a touch of the mouse why

trackballs and other ball mouses have an optical sensor inside the cup that holds the ball. dirt, lint and debris that falls into the optical sensor can make the cursor jump around - the sensor detects the debris as if it were a ball movement. Clean the inside of the cup and the jumping should stop.

Cleaning the cup -- first clean the three points that hold the ball up. They tend to grap whatever dirt or grease gets onto the ball from the user's hand. Clean the rectangular sensor window with a que-tip or by blowing into it. Get any stuck debris out of the corners. Finally, turn the mouse over, without the bal inside, and tap it on a hard surface. This can knock loose any remaining debris that can fall into the sensor window.

Dec 11, 2009 | Logitech Trackman Marble FX Trackball

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My trackball is okay with large, sweeping

I have a total of six Logitech trackballs; four of the newer Trackman Wheel model, and two of the older Trackman Marble+ model (as pictured). All but one of them suffer from the problem described by dave48. The fifth, for some mysterious reason, never has this problem.

The solution I came up with is to light a candle and let melted wax drip onto the red thumb ball. A single drip falling on three random places on the ball usually does the trick. (The wax should dry as soon as it contacts the ball.) I then start moving the ball around to work the wax onto the teflon points. The movement will be VERY rough initially, but will gradually smooth out the more you use it. Sometimes the initial three drips aren't enough and the ball starts getting rough again, so I will melt three more drips of wax onto the ball and work them in as well.

This really seems to do the trick and for some reason the points don't seem to need cleaning as often either. You do have to be careful not to remove the wax when performing a cleaning, however. But if you do happen to remove some wax all you need to do is melt some additional wax onto the ball and work it in like before.

Jun 19, 2009 | Logitech Trackman Marble Trackball

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My Microsoft Intellimouse Trackball rolls but the cursor doesn't

the circular disk that surrounds the trackball and has a little raised part can be turned to left - take it off and ball will fall out- inside are 2 tiny black rubber wheels one to left and one south of that- clean with alcohol on a cloth 9 not soaked) - I scrap them with my nail going across & you'll see gunk come off. Slso turn it upside down & tap it so all dirt inside falls out. wipe all around inside with cloth. Then clean the circle that holds ball. It has to have no dirt on inside area. Clean & dry ball- put back together and make sure to turn the circlular disc till it points to the dot on top. If that gets turned just a little off center it will cause ball to go all over. I've had mine for years & won't part with it. Can't stand chasing a regular mouse around the desk.

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1 Answer

Kid trackball

A lot of trackball controlls made by Microsoft and Logitech use a optical system. Once the control on the screen doesn't move anymore, you simply remove the ball and clean the optics out of it.

If there is a way that you can remove the ball out of the control, all you have to do is clean the rollers underneath the wheel. After some time they do build up just like a friction mouse does. All it takes is some Qtips and a water alchohol solution.

I would hope for a kid trackball they made that a feature.

Oct 31, 2008 | Microspeed KidTRAC Trackball

1 Answer

KidTrac Trackball

You'll need to remove the three phillips head screws on the bottom of the trackball. That will provide access to the contacts under the ball for cleaning.

Great trackball. A little more friction than the Kensington Expert Rollerball, which I like as long as the contacts inside are kept clean.

May 09, 2008 | Microspeed KidTRAC Trackball

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