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Serious Mouse Lag. I cant do my job

Community Beginner ,
Oct 30, 2018

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Hi,

I have a some serious mouse lag problems lately while working in Illustrator. I havent changed anything, I've been using the same MacBook Pro and 4k secondary display for the past 3 years and never had a problem. When the mouse is over the toolbars it is fine, but when the cursor is in the working area the mouse lags so bad that the program is unusable...

I've seen this issue brought up on other forms, but so far the only work around is to work on my laptop screen and toss my secondary monitor in the trash This issue needs to be resolved soon... I dont really want to learn Corel Draw...

Ai version 23.0

MacBook Pro

macOS Mojave 10.14

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Serious Mouse Lag. I cant do my job

Community Beginner ,
Oct 30, 2018

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Hi,

I have a some serious mouse lag problems lately while working in Illustrator. I havent changed anything, I've been using the same MacBook Pro and 4k secondary display for the past 3 years and never had a problem. When the mouse is over the toolbars it is fine, but when the cursor is in the working area the mouse lags so bad that the program is unusable...

I've seen this issue brought up on other forms, but so far the only work around is to work on my laptop screen and toss my secondary monitor in the trash This issue needs to be resolved soon... I dont really want to learn Corel Draw...

Ai version 23.0

MacBook Pro

macOS Mojave 10.14

Views

3.9K

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Oct 30, 2018 1
Adobe Community Professional ,
Oct 30, 2018

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Are Dictation services turned off?

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Oct 30, 2018 0
Community Beginner ,
Oct 30, 2018

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In the computer system preferences? Yeah it is turned off.

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Oct 30, 2018 0
Engaged ,
Oct 30, 2018

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does turning off GPU Performance help?

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Oct 30, 2018 0
Community Beginner ,
Oct 30, 2018

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Sadly it did not... thanks for the comment though!

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Oct 30, 2018 0
Explorer ,
Oct 30, 2018

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I had this problem when I first installed Illustrator 2019. If you've only had the problem since then (Illustrator version 23.0) then try:

Illustrator CC Menu > Preferences > User Interface and at the bottom, turn off "Scale Cursor Proportionately" if it's on.

I hope that helps.

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Oct 30, 2018 1
New Here ,
Feb 20, 2020

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This worked for me! Thanks!

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Feb 20, 2020 0
Community Beginner ,
Jan 07, 2019

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I've been having the same issue. I also have the same issue in InDesign. I found that it mostly happens to me whenever I have Photoshop open. However, I work between InDesign, Illustrator, and Photoshop constantly, so having to close each one out is a pain. I've also contacted Adobe multiple times about it and have yet to hear of a fix. So my solution currently is to close out Photoshop, I don't know if that helps or not.

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Jan 07, 2019 2
Explorer ,
Jul 31, 2019

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That's a very interesting observation. I will test it out and keep PS closed while working in Illustrator whenever possible. Thank you!

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Jul 31, 2019 0
New Here ,
Apr 13, 2020

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This 'cursor lag' in Illustrator has happened to me from time to time and it's so frustrating.

 

I usually have Illustrator and Photoshop open at the same time, so I didn't think that quitting Photoshop would work, but it did! Thanks!

 

This is an old problem, have you seen any other fixes for it recently?

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Apr 13, 2020 0
New Here ,
May 27, 2020

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Same here. Just had a serious lag in illustrator, turned off photoshop and the problem was fixed. This is frustrating though because I constantly need to work on photoshop....

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May 27, 2020 0
New Here ,
Oct 13, 2020

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Well spotted. Closing Photoshop stops the issue!

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Oct 13, 2020 0
New Here ,
Oct 27, 2020

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Quitting out of Photoshop solved my cursor lag in InDesign. This is a crazy but that should've been fixed a long time ago. Come on Adobe! You're better than this!

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Oct 27, 2020 0
New Here ,
Jun 04, 2019

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Having the exact same issue (new 2019 macmini, mojave 10.14.5, latest version adobe apps as of this post). Makes Illustrator largely unusable with a very slow, draggy and heavily flickering cursor while on the artboard.

It happens sometimes, and I can't pinpoint what exactly triggers the problem (probably when I copy paste from Ill to PS and some shared library screws up), but when it happens, just quitting and restarting Illustrator does not solve it.

But as TheChancellor says above here, quitting Photoshop immediately fixes the problem (thanks for that), and then restarting Photoshop again also does not bring the problem back, luckily, so I can work again with the 2 apps open side by side. (Until the problem appears again, but this usually takes a while, so this workaround is workable for me.)

Update: Indesign has the same problem, here also, quitting and relaunching Photoshop resolves the issue.

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Jun 04, 2019 0