Flashing Blue Curser

I just updated the operating system on my MacBook Air on 29 Nov 2023. My curser is blinking blue and it seems erratic. How do I fix this. It seems like I have had issues with this MacBook since I've had it. When I copy and past I have to space the curser or when I paste it will take out the period in the last sentence. By spacing it does not do that but what I past jams up against that period.


I don't use the track pad but use the keyboard. Sometimes when I am typing my curser ends up in another sentence or paragraph, typing in the middle of the sentence. My son said if I get my palms to close to the trackpad it might do that, so I type with awkwardly with my palms raised up high and my fingers turned almost straight down, but it still does. I have been ready sometime on what I typed and see a blur and it was the curser moving up to another place even without my hands on the computer. I have almost taken this $2300.00 computer out to the backyard and put a sledgehammer to it!!!


I had my son build me a computer with Windows 11 and have some to learn on that. My daughter wants this MacBook Air but I just can't do that to her. This OS operating system seems like a mess. The flashing blue curser won't even allow me to work with my notes, as it keeps jumping all around the place. But if I can please get this flashing blue curser issue fixed I believe that I will never update this computer again.

Posted on Nov 30, 2023 10:44 AM

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Posted on Nov 30, 2023 4:07 PM

This is with Ventura:



Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac?


Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE 1: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


NOTE 2: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will insure a successful boot into Safe Mode.


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Question marked as Top-ranking reply

Nov 30, 2023 4:07 PM in response to TreeTiger

This is with Ventura:



Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac?


Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE 1: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


NOTE 2: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will insure a successful boot into Safe Mode.


Nov 30, 2023 2:39 PM in response to Tom Gewecke

I went to Accessibility, and all button are to the left (Full Keyboard Access; Sticky Keys; Slow Keys; Accessibility Keyboard), I assume that is 'on' position but it doesn't tell you anything. Heck, as I was typing this message curser went over and inserted itself to the beginning middle of that previous sentence. But the keyboard is what I want to use, I don't want to turn it off. As a genealogist on ancestry.com this jumping around curser is a challenge when I try to relay someone family information. Now the blue blinking curser has made things worse. So, since you know that I want to use the keyboard and not the mousepad, I would assume that I would want to turn off the mousepad?

Nov 30, 2023 5:15 PM in response to Old Toad

Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on my Mac. The sticky keys are on and the rest are off as you show. I am still getting the flashing blue curser even as I type here. When I go to my notes I have a flashing orange curser. I have not rebooted my computer. It went through a long reboot after the installation of the OS update. Oddly now, after downloading this new update, on my YouTube music videos I am have problems with them 'looping'. I had that problem previously before I did an update a couple of years ago, and after that update my videos would loop. Now some do and some don't. Is there any way to 'uninstall' the last OS update? I refrained from doing it for a month or so, but just decided to go ahead and do it and now I have issues. And since I turned on the sticky keys, every time I hit shift a get a sound and a brief up arrow on the upper right of the screen.


I read some of the posts from 2019 and before and they too had issues after installing an OS update with the flashing blue curser. Is there a glitch in this update? I regret allow the Episcopal Church that I was doing a genealogical Project for on the Jewish royal line, and the Muslim and Christian Desposyni line when my Dell computer crashed they bought me this computer and I had a choice to get a Windows operating computer and let her talk me in to an MacBook, which I have never owned. But it appears that I have had issues (err…I just had it curser jump to another sentence!!!) issues with this computer from the beginning.


What did appear to correct by turning on the sticky keys is that when I paste it is no longer ramming the sentence against the other when I paste. I will have to keep doing it, but at least that issue might have been fixed. I left all that on whatever came from the factory so I never messed with those settings. I guess I'll still have to live with the jumping blue flashing curser? Thank you for helping me.

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Flashing Blue Curser

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