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Magic Mouse Sensitivity

At the risk of repetition and earning the wrath of forum members, I am repeating what I have read in various and sundry threads about Magic Mouse behavior and for which I have seen no hint of a solution. Maybe I missed it and I would readily accept a pointer.

My Magic Mouse installed and works fine with the exceptions noted here. I like the lack of the ball, which would require regular cleaning, and I find the normal scrolling via a swipe to be excellent. All works fine EXCEPT:

1) In Google maps the sensitivity makes it almost useless. Why it is so extremely sensitive in this application I do not know. The slightest swipe results in a stunning rocket-like zoom either in or out. The result is that one loses location and it is very hard to zero-in properly on the object of one's desire. Two things help: turning off Momentum-Scroll and reducing the Scrolling to the minimum. Even so it is hard to use maps efficiently, but it can be done. However, once outside of Google maps, the scrolling is hopelessly slow and needs to be adjusted back up. And - frankly - I think the momentum-scroll thing is fabulous!

2) When selecting lines of text or words in an editor it will suddenly leap a line or two up or down. I daresay this is my touching the surface and no doubt I will be told that I need to be more careful, but the fact is I have not had this problem with ANY other mouse - and I have used every mouse Apple has ever made - well, more or less - including non-apple meese. I take the greatest care to touch the surface directly, exactly and without any slithering, and if I am very slow, the jerking does not occur. But, again, for regular use the sensitivity is just way too high JUST at the moment of selection. Normally it is fine. It is as if it suddenly becomes very sensitive to the lightest of light touches.

Item above number 1) is a mystery to me. The Mighty Mouse had no problem and I presume the sensitivity of the ball remains constant across applications. So why does the sensitivity of the Magic Mouse surface seem to change? I can see how momentum would have a nasty effect in some instances, but even with this turned off it is very hard to use. And 2) is also causing me significant problems.

It seems that the rolling of one's fore-finger on the surface contributes significantly, and it is hard to eliminate completely. Perhaps if one has very thin fingers...

Any ideas? I have none...

Lawrence

Mac SE, PowerBook 140, 2 MacMinis, MacBook Pro 17", 24" iMac and a panic of PCs, Mac OS X (10.6.2)

Posted on Dec 1, 2009 11:06 AM

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Posted on Dec 15, 2009 7:44 PM

I have exactly the same problem, and posted a note on Macintouch. You're the first person I've seen who also has a problem with Google maps and docs, as I do. I too have tried all the suggestions: changing preferences, being extra careful on clicks and scrolls, but the page just jumps regardless, and when I'm at the edge the work area simply slips out of frame. Very time wasting. Hoping for a fix soon.
17 replies

May 13, 2010 11:34 AM in response to LawrenceHare

First of all, I do love the Magic Mouse and have (mostly) learned to live with the issues. That said, I would love it SO much more if they could be fixed. As far as movement across the desktop - that's fine, however, it's WAY too sensitive. If I click on something, it usually double-clicks. If I barely touch the surface (usually accidentally) while in a program, it scrolls all the way up (or down) or zooms in (or out).

Magic Mouse Sensitivity

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