how to remove the latest update of big sur 11.3. Is full of problems

Absolutely correct Luis on all points.

Just add as per below;

Point # 8 - Do I have a Rescue Plan In-Place. This comprises having a Time Machine Backup and for addition purposes - two Tested Bootable Clones each to separate external drives. This is insurance incase the upgrades goes sideways

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

You do have a backup, right, either a Time Machine backup or a clone of your boot drive?

Greek.CV12 wrote:

That's about as helpful as a Chocolate Fireguard

It is accurate.

It is incumbent on the user to do due diligence with his or her mac. This includes having proper backups.

As Murphy's Law has it, it is usually when there are no backups that problems tend to arise.

Apple does not offer old versions of Big Sur for download, so once 11.3 is out it is very hard to install 11.2.3 or a previous version of Big Sur. Unless the user has a backup or has saved the 11.2.3 installer, that's it.

Go to recovery (command-R), select restore from Time machine, pick your TM drive, open Macintosh HD-Data volume and select a previous version like 11.2.3 and restore. Like others have stated if no TM you are out of luck. However if 11.2.3 was OK you should have very few 11.3 issues. I had only one that i fixed. What issues are you having?

I haven't used Time machine so I can't restore anything from my past, so it looks like I can't do this but thank you for your response, heard yesterday that the latest update for IPHONE is also causing problems so until this is fixed I won't be installing any updates from APPLE.

I used to have a PC not an APPLE product and i was always able to go back in time to restore from a previous date as it was always built in but like a lot of UPDATES FROM APPLE most of them cause mayhem just a load of ****, APPLE needs to get people in who know what they are doing as it seems we can't trust APPLE updates.

Greek.CV12 wrote:

I used to have a PC not an APPLE product and i was always able to go back in time to restore from a previous date as it was always built in but like a lot of UPDATES FROM APPLE most of them cause mayhem just a load of ****, APPLE needs to get people in who know what they are doing as it seems we can't trust APPLE updates.

The same applies to Apple if one actually uses the Time Machine Backup which is Built-in the OS. To quote @Luis Sequeira1 " It is incumbent on the user to do due diligence with his or her Mac "

Greek.CV12 wrote:

I used to have a PC not an APPLE product and i was always able to go back in time to restore from a previous date as it was always built in

Last I used it, that feature had to be enabled by the user, also.

You can always try restoring from the Snapshot the Update should have created.

https://www.lifewire.com/roll-back-apfs-snapshots-4154969

APPLE needs to get people in who know what they are doing as it seems we can't trust APPLE updates.

I've never had a problem with any Apple update, nor have millions of other people. Most problems with updates are caused by ill-advised installation of system modifications and other crapware by the user.

You must be ONE of the lucky ONES as I have noticed on the internet that there is a lot of people having problems with this new UPDATE not just on laptops but on their updates on IPHONES at the moment as well as laptops.

Do you have a backup strategy of some kine in place? If not I strongly recommend you do so because there are two types of drives: those that have crashed and those that will. Running your Mac without a backup is like driving without a seatbelt.

Well I don't have a TimeMachine back up. I did however have automatic updates on. Big Sur 11.3 has broken my Thunderbold 3 connection to my external QNAP NAS and now I have no connectivity to it to get my external data. How do I get back to a working OS without TimeMachine. Which would have been on the NAS had I been using it. I'm dead in the water without any connectivity.

There has to be another working solution to this problem because I'm seeing lots and lots of video editors like myself with the same issue. This is as stupid as the FCP X release that was about 4 generations behind FCP 7. No duel monitor function in Apples "professional" software.

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Same problem. I cannot even connect a working keyboard. Brand new Mac, not yet on Time Machine. Latest update changed everything and now most things no longer work. Where can I go to download the previous version of Big SuR (the one I had yesterday?? Even had to use a different computer to type this request...

Do you have A Bootable Clone on external drive pre-dating the 11.3.1 ?? If not TM Backup and No Bootable Clone before 11.3.1 and not Full Installer of 11.2.3 on external drive - there is not way to get it again.

I update all three of my Macs ( iMac , MacBook Pro and Mac mini) with zero problems . I always have time machine running on these machines just in case .. Also updated my iPhone , iPad Pro and iPad Air two with no problems and the are are always backed up to my iMac .

BACKUPS BACKUPS BACKUPS BACKUPS BACKUPS BACKUPS BACKUPS