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Macbook: pointer jumping all over, can't control it. Virus? Hack?

Started by billermo-now , Jul 03 2024 02:25 AM

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4 replies to this topic

#1 billermo-now

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Posted 03 July 2024 - 02:25 AM

Hello,

I used to use this website years ago when I had windows. Since 2016, I've had a Macbook with zero virus issues.

Until now. a couple of nights ago, the laptop started acting bizarrely. The pointer jumps all over and clicks when it wasts to, also suddenly growing in size for a second or so. Using the laptop is pretty impossible in this condition.

I was about to go try some anti-virus software to have a check and see if it finds something.

But then I remembered that I used to get great advice from this forum, and it helped me too many times to get back control of my old laptop.

If anyone there has an idea, please do let me know.

Thanks,

billermo

Edited by billermo-now, 03 July 2024 - 06:32 AM.

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#2 greg18

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Posted 03 July 2024 - 08:36 PM

Faulty touchpad hardware.

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#3 jonuk76

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Posted 04 July 2024 - 11:02 PM

If that is the case (hardware fault with the Trackpad) connecting an external mouse may help. To get it to ignore input from the trackpad when a mouse is connected, go to System Preferences > Accessibility > Pointer Control and select "Ignore built in trackpad when mouse or wireless trackpad is present"

It might also be useful to see if it still acts the same in Safe Mode or Recovery Mode (to help establish if a software problem is the cause). Recovery mode is a special startup mode that allows you to do things like re-install the OS, or run repair tools.

Start up your Intel-based Mac in safe mode

Turn on or restart your Mac, then immediately press and hold the Shift key until you see the login window.
Log in to your Mac.
You might be asked to log in again.

On either the first or second login window, you should see “Safe Boot” in the menu bar.

-------------------------------------------------------------------------------------------------------------------------------------------------

Start up your Intel-based Mac in macOS Recovery

Restart your Mac.
Immediately press and hold one of the following key combinations until you see the startup screen:
- Command-R: Start up from the built-in macOS Recovery System. Use this key combination to reinstall the latest macOS that was installed on your system, or to use the other apps in macOS Recovery.
- Option-Command-R: Start up from macOS Recovery over the internet. Use this key combination to reinstall macOS and upgrade to the latest version of macOS that’s compatible with your Mac.
- Option-Shift-Command-R: Start up from macOS Recovery over the internet. Use this key combination to reinstall the version of macOS that came with your Mac or the closest version that’s still available.
If you see a lock, enter the password for your Mac.
If you have multiple volumes on your disk, select the volume you want to recover, then click Next.
If requested, choose an administrator account, click Next, enter the password for the account, then click Continue.

Edited by jonuk76, 05 July 2024 - 01:30 PM.

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#4 billermo-now

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Posted 06 July 2024 - 02:00 AM

OK, the problem seems to have disappeared. So strange. This whole thing has been strange.

It happened pretty suddenly one night in our hotel room. We went to a town at a much higher elevation (5000 feet, we live at sea level). It lasted for a few days. Just normal relaxing web surfing. No drinks were spilled, no rough use of the laptop, nothing.

Now we are back home again, and my kid got frustrated and slammed a bit on the track pad while trying to play a game (it's impossible with this problem happening). It's very strange, but the problem seems to be totally GONE now. I'm not sure if the elevation or the slam had anything to do with it.

Your replies are good to see, and they might end up being useful at some point, but for now, all seems good.

Thanks!