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One method of cleaning a Mighty Mouse scroll ball Other Hardware
If the scroll ball of your Apple Mighty Mouse is sticking or does not move the cursor, first try cleaning it with a dust free cloth and rubbing alcohol. Be sure to unplug it first, and allow it some time to dry thoroughly before plugging it back in. If it still does not work, you can try my solution: roll a thin strip of tape underneath the ball mechanism.

I can't guarantee that this will work for everybody, and I don't know why this worked for me, but it's a hell of alot easier than taking the mouse apart. I take no resposibility for anything that goes wrong, or breaks as a result of these steps. But you should have no problems.

[robg adds: I haven't tried this one, but I may have to do so soon, as I've heard reports of sticking rollerballs on older Mighty Mice.]
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One method of cleaning a Mighty Mouse scroll ball
Authored by: PancakeMan on Dec 18, '06 07:51:36AM
See also the hint and comments here.

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One method of cleaning a Mighty Mouse scroll ball
Authored by: vrillusions on Dec 18, '06 09:11:31AM

Wanted to confirm this does work.

We have had a couple mice here that we've tossed in our box o' mice because the scrollball didn't work. Putting pressure on the ball when rolling did dislodge it... for about a week or two. It got to the point that we went back to our other generic mice with scroll wheels, which I still had to use anyway since I have a KVM on my desk and the ((IMO) not-so-)mighty mouse's scroll ball ONLY works when plugged straight into the powerbook.

OK, rantings aside, I did this to a mouse and it's working great so far. I guess see how long this method works. Closest I've tried prior to this was taking a piece of scotch tape, laying it on the table sticky side up, and with the mouse upside down, roll the ball on tape. If you recall, that's always been the recommended way of cleaning the tracking ball on mice, prior to led/laser mice *shudders at the thought*.

It took a few times before I could get the tape to feed in correctly. Like the author, nothing noticeable was on the tape. I was able to slowly rotate the tape around so I could move the tape in all directions. I was able to do this, moving it back and forth and rotating around (was able to go 180ยบ in this time) for about 30 seconds before the tape started to rip and I had to feed it out.



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One method of cleaning a Mighty Mouse scroll ball
Authored by: argh128 on Dec 18, '06 10:27:43AM

I find a sightly wet finger works the best.

Dip your finger in water, roll it over the ball, and your mighty mouse will be back to work in a few seconds. No need to unplug, no need to dry. (just don't pour water on it.)

---

A completely SANE Canadian.



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One method of cleaning a Mighty Mouse scroll ball
Authored by: inertia186 on Dec 18, '06 06:19:49PM

Most importantly, make sure your three-year-old doesn't drool on it.



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Another method of cleaning a Mighty Mouse scroll ball
Authored by: zohar.ma on Dec 18, '06 09:31:52PM

Lately I've found a good way to clean the ball, and now I do it every week or so to keep it healthy:

Take a wet wipe and moisten the ball a little, around it (roll and wipe), than place the mouse upside down on a piece of paper, that the ball will touch the paper, and gently roll the ball on that paper. Don't do it too hard because you might break something inside or disform the ball, but you'll see lines of dirt on the paper.
Now it'll be fine!



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I forgot...
Authored by: zohar.ma on Dec 18, '06 09:33:44PM

to add, that with the same wetwipe - you can clean the rest of the mouse, from the rest of day to day dirt... :)



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One method of cleaning a Mighty Mouse scroll ball
Authored by: The_Decryptor on Dec 18, '06 10:57:08PM

I found that returning it worked well.

By the end mine wasn't scrolling in either direction, tried cleaning it, did nothing, just returned it and got a cheap $5 optical mouse with a scroll wheel.



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One method of cleaning a Mighty Mouse scroll ball
Authored by: maradnus on Dec 21, '06 05:39:54AM

I am a big fan of blu tac it cleans my keybord and I have used it to my Mighty Mouse scroll ball. it works fine just get a bit and and dab it on the ball jobs done.



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One method of cleaning a Mighty Mouse scroll ball
Authored by: hoverfrog on Mar 26, '07 12:10:07AM

blue-tack did the trick - well actually it was Patafix! So frustrating when you can only scroll in one direction :)



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One method of cleaning a Mighty Mouse scroll ball
Authored by: mel7847 on Mar 04, '07 02:23:35PM

Thank you, thank you, thank you!!! Your tape "thing" did the trick. It was not easy to do. But, once I got the tape threaded through; it dislodged big clumps of gunk. Afterwards, I wiped the scroll ball down with alcohol; and now my mouse works fine! Thanks, again!!!



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One method of cleaning a Mighty Mouse scroll ball
Authored by: keble on Mar 04, '07 02:33:06PM

Thanks - my scroll wheel would not work in one direction, but the wet finger trick worked great!



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A hint submission...
Authored by: robg on May 21, '07 05:15:44AM
This really belongs here, as it's closely related. From user "anonymous," so no idea about any details beyond what you read...
Spray richly with window cleaning on a Wettex sheet or similar, put the mouse upside down (remove the batteries) and roll the ball around over the wet surface of the sheet. The window cleaner has the property to clean very well and evaporate fast without leaving any coating. The wet ball cleans the rollers and brings out the dirt, which is mostly skin rests from my fingers, which get caught to the Wettex sheet. If you dare you can spray sparse direct on the mouse ball and then roll it the same way over the Wettex sheet. It work for me.
-rob.

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One method of cleaning a Mighty Mouse scroll ball
Authored by: andya on May 21, '07 09:08:32AM

i use some rubbing alcohol on a cotton pad and really roll it around.



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Another hint submission
Authored by: robg on Mar 13, '09 05:43:36AM
This was sent in by Anonymous as a hint, but it belongs here as another solution to the same problem...
I am the proud owner of an Apple Wireless Mighty Mouse, and while so far it's treated me well, one problem has persisted for a long time - the scroll ball sometimes ceases to scroll at all. It was so frustrating, and I tried every remedy I could think of, i.e. canned air, dry/wet cloth, alcohol and the like, yet nothing worked for more than an hour or so. I was just about ready to just buy a new mouse when a friend mentioned to me how he cleans the little trackball on his Blackberry - Printer paper.

It may sound strange, but it's the surprising miracle cure for a sticky Mighty Mouse scroll ball. Here's how to go about the procedure:
  1. Find a completely blank, completely clean sheet of ordinary white printer paper. Any brand will do.
  2. Lay the paper on any hard, flat surface. Unplug the mouse (or turn it off, in the case of wireless MM users), turn it upside down, and make sure the ball can still roll somewhat freely.
  3. Press the scroll ball firmly against the sheet of paper, making sure that is the ONLY part of the mouse that touches the paper, and vigorously rub in all directions (up/down, side to side, figure eights, spirals, all that jazz) for one to three minutes. I recommend at least 90 seconds if the ball won't scroll at all in at least one direction, three or more minutes of it just won't budge, period.
  4. Reconnect the mouse and test the scrolling by opening anything that has both a horizontal and vertical scroll bar, like iTunes. If it still feels like it's grinding or if it still won't scroll, repeat steps 2 and 3 until you get the desired result.
And there you go! You just protected your $40+ investment with an ordinary piece of paper!
I haven't tested this method.

-rob.

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One method of cleaning a Mighty Mouse scroll ball
Authored by: spidergx on May 16, '09 12:52:30PM
Here's my tried and true method: I flip the mouse upside down and rub the ball on a used dryer sheet. It's worked everytime! Then I wipe down my monitor with the sheet because it has anti-static properties that fight dust build-up as well.

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One method of cleaning a Mighty Mouse scroll ball
Authored by: gregmichalak on Dec 30, '09 06:06:24PM

I tried the alcohol and it did not work for me. I tried the printer paper and it worked. Thanks a lot.



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