Mouse jumping to 2nd monitor in Lion

I also found that switching resolutions from 1080i to 720p, or vice versa, works temporarily. If I change my HDTV to a Television station, when I return it to HDMI 1 (my mac) I have to change the resolution to regain control. It doesn't appear to matter which one it's on, but if it's glitching, switch the resolution. It seems to work until the channel is changed or the monitor shuts off.

Im also experiencing random blue screens, as if my monitors are changing resolutions on their own, while that may be a related issue, I haven't found a solution to that.

same problem as mentioned above.

came only with lion.

feels good not to be alone.

hopefully will be dissolved SOON?!!

my set-up btw:

macbook pro 15" (mid 2010)

apple cinema display 30"

aplle magic mouse

having the same problem with Magic Mouse and 24" external monitor connected to MacBook Pro 15" Mid 2010

Well, I do take solace in knowing it's not just me. :-)

MBP 13" with external 24" Dell Monitor and Magic Mouse.

Am currently trying the Mission Control suggestion....so far so good.

I also have the same issue. I have a 27" iMac and a 27" Cinema Display, so there are a lot of pixels to scan when the mouse goes MIA.

One thing that I've been using to help find the mouse is Mouse Locator. http://www.2point5fish.com/ Helps save my sanity a little bit.

One question I have for everyone else with this issue. What mouse pad are you all using? I'm using a mouse rug and I think all the designs on the face are causing issues. I'm planning on ordering a plain, solid colored mouse pad and see if that helps any. If I move the mouse slowly, it does not jump. But moving quickly makes it zip all over the place.

The Mission Control and USB mouse tricks did not fix my issue.

I have a very uniform color pad, as well as the raw textured desktop, and using both the mouse will exhibit the same behavior. Since this problem cropped up immediately after upgrading to Lion, after a LONG time running just fine with Snow Leopard, it seems pretty clear this is a software glitch.

@Brains - Thanks for the quick response. I was wondering if using another mouse pad might help wih the issue. Thanks for letting me that's not the case. I also did not have this issue under Snow Leopard with the same set up.

The Mission Control and USB tricks did NOT work for me as well. 😟

Similar issue for me on my dual-display Mac Pro. Drives me nuts when I'm doing page layout, Photoshop masking, etc.

10.7.1 was released today.

I repaired Permissions, installed update, Repaired Permissions again. Rebooted. I will let you all know if this update helps with our crazy mouse problems.

for me 10.7.1 did not fix the jumping mouse problem

It is worst on my machine when something using Flash. So combined with all the talk of Photoshop, Dreamweaver, etc. seems like it could be being caused by Adobe crapware. Any thoughts?

I did a clean install of Lion. This was an issue before any third party software (even Flash) was installed. I can say with certaintly that my experience with this problem does not appear to be related to Adobe, or any other third party software.

I'm afraid the USB mouse solution does not work for me. However, I do not have the issue while using the USB mouse. It seems to only be when using the Magic Mouse (even when another mouse is plugged in). So as others have concluded, the issue is likely Bluetooth.

Same problem here. 10.7.1 didn't fix it.