Mouse cursor sticking in Ventura on both Magic and USB mice

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Level 1

6 points

Mouse cursor sticking in Ventura on both Magic and USB mice

I've recently bought a refurbished 2019 iMac 27" running Ventura and I'm having a problem with the cursor "sticking" of freezing for 1/4-1/2 a second every few moments. I thought it might be an issue with my magic mouse so plugged in my older USB mouse and that has the same issue, therefore this is not a Bluetooth or dirt on the optical issue.

I have just done the update to 13.5 but the issue remains. I am running with 128GB of RAM and a 4TB Samsung SSD hard drive. It has a Radeon Pro-Vega 48 graphics card and a 3.6Ghz Intel 8 Core i9 processor.

Any thoughts? I am running Garageband and pCloud but the problem is present with Garageband quit. pCloud is a bit like Dropbox so it has background apps and extensions.

iMac 27″, macOS 10.15

Posted on Aug 2, 2023 6:58 AM

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Answer 1

martian68 Author

Level 1

6 points

Aug 2, 2023 8:37 AM in response to martian68

I've gone through a process of removing and replacing RAM chips on the resellers advice and it looks like I've found a faulty RAM chip. Hopefully this was the cause of all my problems. If not, I will post again.

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Answer 2

dialabrain

Level 10

136,199 points

Aug 2, 2023 7:02 AM in response to martian68

Does it happen while in Safe Mode?

Use safe mode on your Mac - Apple Support

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Answer 3

lkrupp

Level 7

22,741 points

Aug 2, 2023 7:53 AM in response to martian68

Looks like you need to return that ‘refurbished’ iMac. From whom did you purchase it and does it have a warranty? If you bought it from Apple’s own refurbished store contact Apple Support.

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Answer 4

martian68 Author

Level 1

6 points

Aug 2, 2023 7:50 AM in response to dialabrain

I don't know because now I can't even get the mac to boot up. I tried a PRAM reset and it just went dead. I can hear either the fan or the SSD but that's as far as it gets. No boot tone, nothing on screen.

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Answer 5

Jan 12, 2024 2:54 AM in response to martian68

Happens for me as well on a 2019 16inch macbook pro with Ventura 13.5.2. Reseting SMC and NVRAM didn't help. Not sure what to do, it's annoying as ****. Can't do much work. Besides the cursor freezing every minute or so, I get video freezing for a cool 5-8 seconds, and the cursor still moving. What is happening with this OS apple? I had bigsur before and never had this issue... Any fixes? I don't believe this is a hardware issue.

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Answer 6

martian68 Author

Level 1

6 points

Aug 2, 2023 8:18 AM in response to lkrupp

I'm just in discussion with the reseller now.

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Mouse cursor sticking in Ventura on both Magic and USB mice

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