Mighty mouse scrolls down but not up

why is my mighty mouse scrolling down but not up on my browsers?

Usually it is accumulated crud: skin oils and flakes of skin and dirt, but some have been accepted for repair by Apple. Occasionally a restart fixes the problem. If not there was a recent discussion that yielded several promising suggestions:
http://discussions.apple.com/message.jspa?messageID=2248877#2248877
These included cleaning the ball with a soft cloth, cleaning the ball with a baby wipe, and disassembling the mouse to thoroughly clean the interior.

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Mighty Mouse scrolls up, but not down

All of a sudden my Mighty Mouse stopped scrolling down. Is this something that a cleaning might help, or something more serious?

MGW wrote:
You probably just need to clean it:
Use a clean lint-free cloth lightly moistened with water. Wipe the ball and the surrounding area, making sure to rotate the ball itself to ensure complete coverage. If the scrolling feels rough or if the scroll ball isn't scrolling up, down, or side-to-side, hold the mouse upside-down and roll the ball vigorously while cleaning it to help dislodge any particles that may have collected on the internal hardware. Finally, give it a good rap on the desk to get the last bits of gunk out.
Let us know if this cures the problem.
Miriam-
You almost always recommend this procedure for cleaning the scroll ball, and this is precisely what Apple suggests.
I've had my iMac for 2 months, and for the past 2 weeks the scroll ball has been increasingly erratic: It doesn't always work when I scroll horizontally, or vertically downward; and it's just about useless when it comes to scrolling vertically upwards. I've repeatedly tried the above procedure to clean the scroll ball, but it hasn't worked.
As I searched the discussion forums, I did find an alternative procedure that is attributed to you: The "rub-the-ball-on-a-piece-of-white-paper" method. I tried it. It immediately worked!!! I am absolutely amazed...+your solution is BRILLIANT!+
Besides offering my deepest thanks for such a gem, I would like to know (1) How did you ever discover it? and (2) Why is it that you always seem to offer Apple's suggestion and not your procedure?

Wireless Mighty Mouse Scroll Ball does not scroll downward

Hello,
I have a mighty mouse I use with my iMac and I cannot seem to get it to scroll down (any window) lately. The scroll ball does scroll up, but not down. I did reset the mouse, but is it time for a cleaning? I have used it for about 7-8 months. Thanks for the replies.

Great adivce. My MM is 2 years old and just stared suffering the tortures of the damned. Tried it with water and dry with no joy. Tossed some rubbing alcohol on a bath towel. Did the trick despite lint. Work good for now.

My mouse scrolls down, but never up?

I have an Apple USB Mouse plugged in to my keyboard (it came with my MacPro and is about 4 years old). Recently, for no apparent reason, it stopped scrolling up in all applications (not just Internet sites). It scrolls down just fine, but never up. I've tried playing with the settings, but nothing seems to fix this issue. Is my mouse kaput?

Mouse Scrolls down on software screens,...: Apple Support Communities

Mighty Mouse will scroll down but not up.

All of a sudden my mighty mouse won't scroll up. It will scroll down, left and right but not up. The mighty mouse is about 6 months old and has worked fine on my old Dual 1GHz G4 MDD.

your mighty mouse should have a 1yr warranty on it, take it to an apple store and let them know what the problem is.
as I have never used a mighty mouse I cant offer advice, other than perhaps its dirty inside and maybe you could clean it...
How to clean your Mighty Mouse
http://docs.info.apple.com/article.html?artnum=302417
and another site with photos
http://www.flickr.com/photos/shirster/67089152/

Mighty Mouse: Scroll ball does not scroll down

My scroll wheel on my 'might mouse' now only scrolls UP and Side to Side. I have tried restarting, checking system prefs. etc. but no joy. How did we manage before?!! If any one has the answer I would be grateful. Thanks Rob

Finally an answer that works!
I had a mouse that would not scroll up. Down or side to side worked fine.
I tried cleaning the wheel with a cotton swab dipped in alcohol, as this had worked several times before. But it had no effect today. I tried the "lint free soft cloth lightly moistened" trick too, but this did not help, either, even after watching the demonstration video and turning the mouse upside down. But unplugging the mouse, and applying some pressure while rolling the ball upside down on a piece of clean paper is what did the trick! Thank you for saving me from this incredible annoyance!

Mouse scrolls up, but not down!

I have a standard Apple mouse on my iMac with the little scrolly button on it. I've had it for some time and I've never been able to scroll down with it.
Is this some wacky Apple design concept or do you think it's not working properly? If not, how do I fix it?
Kind Regards,
Blitz

Hi Blitz Spirit,
Your mouse probably needs cleaning, in your owners manual there are instructions also you find them at:
http://support.apple.com/kb/HT1537
Others have had success by placing a clean sheet of printer paper (normal copier paper) on a table turning over their mouse and vigorously rolling the mouse on the paper to try and dislodge any dirt or particles inside the mouse. This should be done for about 30 seconds.

Mighty Mouse Scroll Down Issues

Hello, I have a wired Mighty Mouse that I use with my Mac Mini. For awhile my mighty mouse will scroll up, and side to side but it will not scroll down.
I have used a lint free cloth and tried cleaning it vigorously upside down with the felt cloth as well as other objects with no luck. It is not within coverage so I was wondering if anyone has had some other resolutions for this and please no answers like "Buy a new mouse". I have another mouse but I want this one working.
Thank you for your time

Isopropyl alcohol. Preferably 95% but I've done this with the typical 70%, so whatever you have in your medicine cabinet. With Mouse unplugged (powered off, battery removed for wireless mice,) put the mouse on a paper towel and pour a small amount of alcohol over the ball. What you are trying to do is get some alcohol down past the ball and into the internal rollers, which have some gunk on them that you're trying to remove. Isopropyl alcohol will not corrode the electronics and will help loosen and break up the gunk. Roll the ball and pour a little more. Repeat a few times. You will want to let everything dry as much as possible before using. Thus pouring a small amount and not the whole bottle and not "dunking" the mouse in a bowl filled with isopropyl alcohol. Do that only if you get really desperate, but if you do, then let it drip and air dry afterward.
There is not much space for the gunk to be "flushed" out so eventually this may not work. At which point you can look on Youtube and see several tutorials on disassembling the mouse. The mouse is glued together so this is not without risk. You may end up just buying a replacement mouse so just be prepared before attempting disassembly or even the alcohol.
(In case you're concerned, isopropyl alcohol has been used for cleaning around electronics for many, many, many years. Used to clean water/syrup/milk/juice damage since it doesn't corrode the circuit boards. While it generally doesn't conduct electricity, it was generally discouraged to use it on live equipment for various reasons. And due to skin irritation, gloves often were used, but in this case with the mouse and the small amount being used, it's up to you to whether you want to use gloves and eye protection.)

Why isn't my wired Mighty Mouse scrolling down?

Some days like right now my wired Mighty Mouse that came with my late 2007 20" aluminum iMac doesn't want to scroll downwards. The scroll ball scrolls upwards and sideways perfectly but doesn't want to scroll down. Why is it doing this? I tried cleaning the area of the scroll ball but still nothing. Please don't say that I need a new mouse.

I have the same problems with my less than six weeks old 24" iMac & two yr old macbook: i always wipe my hands before using them. I have tried most suggestions on this forum and others to no avail.
I could probably get a replacement thru apple care for my iMac, but since the problem is so prevalent, another mouse is not a viable solution.
At this time, I actually prefer using an old cheap wired mouse that was in storage .
To those considering another brand, I had random waking & waking only with restarting issues with a wireless logitech mouse on my macbook.

Yosemite Mail copying messages to mailboxes scrolls down but not up

Hi all
I frequently move messages from the Inbox to mailboxes by dragging them to the sidebar. If the destination mailbox is off the screen, it scrolls to it when I hold the message over the top or bottom of the sidebar. In Yosemite it will do this downwards but not upwards! Very odd.
Any ideas?
Thanks, Paul

Curent problem for me - upgrade to 5.1 today causes my email accounts to be stuck in "checking for mail" mode -- no new email coming in - I have two accounts - gmail and an Exchange outlook - both stuck. I deleted my gmail account and reinstalled but it did not help - now I have none of the emails on their that I had before, and it is still stuck checking for mail. Since uninstalling and reinstalling gmail did not help, I have not tried that with my Exchange account for work.

Magic mouse scrolling, clicking, but NOT tracking

Magic mouse, about a year old, stopped tracking recently. Its bluetooth connection is there just fine, is discoverable etc. Its power light shows (the little green one). It scrolls, clicks, right-clicks. But it doesn't track. The light sensor area under the mouse doesn't show a red light when I flip it over.
Sounds like a hardware failure yes?
What to do - visit the geniuses?

You won't see the laser light, it's not visible to the eye. Try cleaning the laser sensor/transmitter with a Q-tip and insure you have good batteries.
Regards,
Captfred

MIghty Mouse Scroll Ball

Not really a MacBook Pro question, but it's the laptop I have so I wasn't sure where else to put it.
The scroll ball on my mighty mouse has been acting up lately. Yesterday it wouldn't scroll down, but it would go up. I noticed when I pressed down really hard I could almost feel dirt or something. So I pressed down, moved it around in all directions, seemed to take care of it.
Today it scrolls down but not up. Same trick didn't fix it. I suspect it just needs a good cleaning, but not really sure how to go about doing that. Any suggestions?

Click here for instructions to clean the Mighty Mouse.

Mighty mouse scrolled not working

Hi,
My mighty mouse scrolled has broken i can't scroll up and down neither right and left.
Please help me.
Thank you

First, try System Preferences/Keyboard&Mouse/Mouse and make sure your scroll settings are correct.
Second.. How to clean a Mighty Mouse (not with jeans)
Carolyn
Message was edited by: Carolyn Samit

My mouse scroll ball will not scroll down.

My mouse scroll ball will not scroll down.

Unfortunately the Mighty Mouse is known to have issues when scrolling if it gets dirty. The best you can do is hold it upside down and roll the ball back and forth in every direction for a minute or so, this should help clean it any it may start working again. My school's multimedia lab has 20 workstations that all have that mouse and about half of them work! I'd recommend moving to the magic mouse or another brand's mouse if cleaning does not fix it.

Mighty Mouse, Scroll Ball Still Malfunctioning?

Hi,
I love my Intel iMac and I LOVE my mighty mouse...but the scroll ball is constantly quitting on me.
I clean it just like the apple video, I blow into it, I clean and clean and clean it and then it works for a day or two and then again, it stops.
I'm the most meticulous clean person when it comes to hardware, I even manage Mac labs at a big university - so I have lots of experience with these mighty mouse. They are ALL having the same problem.
Is this karma? Does anyone else have this problem? I'm not sure what to do (both with mine and the one's at work!).
Any suggestions would be apreciated. Thanks!

I am also pretty clean with my Mac. I found that cleaning as recommended by Apple was sufficient, until about two weeks ago, nothing I did to clean it, short of the misadvice to stick a needle into the ball socket, was successful. I found a website that shows how to disassemble the mouse carefully with an Exacto knife and did so. I was amazed at how dirty the rollerbars, especially the one to scroll down, were, in spite of my faithful cleaning routine. When I reassembled the MM I just used a couple strategic drops of super glue to secure the one ring that is glued in place. It will be much easier to disassemble the next time!
The link;
http://web.mac.com/karelgil/iWeb/MacWebSite/MightyMEng.html

Mighty mouse scrolls down but not up

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