iFixit - Answers With Device "Apple Mighty Mouse"

Apple Mighty Mouse: Mighty Mouse doesn't scroll down

Tue, 19 Aug 2025 09:14:39 -0700

The mighty mouse I use has been in use on various computers for a few years now.

I was using it to browse the web when the scrollball stopped scrolling down. It can still go up, left and right but when I scroll down it goes down and spins but there isn't the usual clicking noise and it doesn't do anything on-screen.

Can I fix it at all?

⟐ Commented August 19, 2025 at 9:14 MST

Apple Mighty Mouse: How do I open up a Mighty Mouse?

Sun, 27 Jul 2025 09:33:38 -0700

How do I open up a Mighty Mouse? I got one that can only scroll in one direction.

Thanks guys.

I've just took one apart.

It seems easier than the old Apple pro mouse.

Scrolling works perfectly after clearing out all the dirt around the rollers.

Didn't try the upside down cloth method, as I was looking for a excuse to see the guts of the mighty mouse.

⟐ Commented July 27, 2025 at 9:33 MST

Apple Mighty Mouse: Right click not working.

Sat, 10 Aug 2024 05:14:06 -0700

I can't get my wireless mighty mouse to sense my right clinking. It just left-clicks wherever i touch. I already opened it and tried to do some stuff (ehm...).

I think it might have to do with that extractable metal thin plate that sits under where the middle right finger rests (more or less).

⟐ Answered August 10, 2024 at 5:14 MST

Apple Mighty Mouse: How to repair the switch that detects mouse clicks on the shell?

Sun, 21 Sep 2025 08:01:53 -0700

I have a Mighty Mouse (corded, optical) that is not registering clicks correctly. The problem has gotten suddenly worse. It used to register a single click as a double click, now it seems to treat every attempt at clicking as a "half-click".

⟐ Answered September 21, 2025 at 8:01 MST

Apple Mighty Mouse: After cleaning the ball doesn't work anymore

Fri, 21 Jun 2019 02:47:01 -0700

I have cleaned my Mighty Mouse several times following your instructions manual, but the last time I did it, the ball doesn't function anymore. Any thing I did wrong? I have used this procedure several times, and I'm sure I reassembled it correctly. Maybe the cables or the cables connectors are with problem, is it possible?

What can I try to correct this problem?

⟐ Answered June 21, 2019 at 2:47 MST

Apple Mighty Mouse: Mouse doesn't turn on after a horrible battery leak.

Sat, 26 Aug 2023 05:05:22 -0700

I have a Mighty Mouse. It suffered from a battery leak when it was in the hands of somebody else. I took it and tried to connect it to my Mac, it kept disconnecting and showed the battery percentage of the mouse wrong. Recently I tried to connect it my iPad and it worked.. but I spoke too soon, and the mouse again stopped working after a week. I opened it and saw there was not much a battery acid damage out there. I tried cleaning the negative contact points but it didn't work. I would like my mouse to be working again.

I saw that one of the screws has been totally covered in acid.

Apple Mighty Mouse: Fixing a MAC USB mouse

Mon, 04 Mar 2024 11:56:27 -0700

Has anyone fixed such a device. I find the magic mouse doesn’t always work reliably. I have an old USB mouse which clearly has a cable problem. Is there a way to disassemble it and reconnect for full function?

⟐ Edited March 04, 2024 at 11:56 MST

Apple Mighty Mouse: Fixing the major keys?

Thu, 14 Mar 2019 04:34:13 -0700

Recenty I bought a Bluetooth MightyMouse from eBay - but, as it turned out, its functionality is only 50%.

What does not work:

the left (primary) key
the right (secondary) key
the middle key

What does work:

the mouse pointer resp. the laser electronics
the scrollball
the two keys on the side

Now it would be shame to throw the mouse away.

BTW: The innards of a BT Mighty Mouse are imho quite different from those of a USB cable Mighty Mouse.

Is there any way to fix it?

Thank you!

⟐ Edited by author March 14, 2019 at 4:34 MST