Touch Bar not working after tahoe 26.3 update

WandererPK wrote:

Touch bar not working post tahoe 26.3 update not able to fix

Have you shut down and restarted more than once since your "update"...

>Shut down

no resolve try a SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies

Login and test. Reboot as normal and test. Caches get rebuilt automatically.

WandererPK wrote:

Nothing Helped still the display is out nothing works and apple isn't saying anything on this

Well sad story indeed.

—You can try reinstalling the macOS on top of the existing macOS and see if it resolves the issue...

from Recovery How to reinstall macOS - Apple Support

—You can try Revive the Firmware this leaves your data in place / if no resolve Restore the Firmware—this will wipe all user data— verify you have adequate up to date backups to restore your user data

How to revive or restore Mac firmware - Apple Support

How to revive or restore Mac firmware - Apple Support

—You run the user Diagnostic...not as definitive as Apple's own AST2 (Apple Service Toolkit) back bench diagnostic, but may kick out an error code. Plug into power or it will generate a power issue by default.

Use Apple Diagnostics to test your Mac for hardware issues

Use Apple Diagnostics to test your Mac - Apple Support

No resolve—

In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment

Make an appointment for a "hardware issue"

Genius Bar Reservation and Apple Support Options - Apple

Outside the USA

Contact Apple Support - Apple Support

I suggest at this point that you follow Leroy's suggestion for technical support from Apple:

Make an appointment for a "hardware issue"

Genius Bar Reservation and Apple Support Options - Apple

Outside the USA

Contact Apple Support - Apple Support

I don't think there is some hidden command or key combination that someone reading Apple Discussions can suggest to bring back your touch bar at this point. I think there is something wrong with your Mac that requires technical support by a qualified technician. My Macbook Pro 2019 16" was recently updated to 26.3 and its touch bar works as it used to. Also, as you know, you can visit an Apple Store and see scores of new Macs with 26.3 and working touch bars. Yours may need service, unfortunately.

I had the same issue on my MacBook Pro 13″ M2 after the updating to Tahoe 26.3 - the Touch Bar became completely dead. In my case a simple restart fixed it.

Touch Bar wasn't working all of a sudden on 13" MBP M1 2020 OS26.3.1 days after the update was done. Just restarted and after a delay, it worked. Incidentally, noticed that "Touch Bar" didn't show up in Keyboard settings panel until Touch Bar was working. Will watch to see if problem is sporadic or app related or other.

ember4rest wrote:

I had the same issue on my MacBook Pro 13″ M2 after the updating to Tahoe 26.3 - the Touch Bar became completely dead. In my case a simple restart fixed it.

Thanks ember4rest, appreciate hearing your experience here.

brycen53 wrote:

The safe mode restart worked for me.

Good computing brycen53 ! Appreciate the feedback.

The safe mode restart worked for me.

26.3.1 seems to have made my Touch Bar better. Ive only seen a faint flashing since updating last night, almost unnoticeable.

Same problem after upgrading my 14" M2 to Tahoe 26.3(a) whereby the Trackpad does not work and the Trackpad options in System Settings disappeared including the Trackpad option in System Settings->Accessibility-> Pointer Controls. I have tried Restarting in Safe Mode. Yesterday, i upgraded to Tahoe 26.4 but the problem still exists. A year ago, I had a similar problem with the keyboard and trackpad not working, when I took it in to Genius Bar.and ran diagnostics and was told that it was a hardware problem and that i needed to change the kb and trackpad. Instead, i used an external kb and mouse via bluetooth, and then, a couple of months later, after a software update, the kb & trackpad miraculously started working again. This time around, it is only the trackpad not working and I am hoping that a subsequent OS update will fix the problem. I am going to wait a bit before deciding to take it in to replace the trackpad.

FWIW, I just upgraded my 13" 2020 MacBook Pro to Tahoe 26.3 and it didn't experience any issues with its Touch Bar ... so this may not be related to the upgrade itself, but to some other cause.

Regardless, I suggest you follow the advice provided by leroydouglas as a good place to start to get this resolve for you.

It's not even that the TouchBar isn't working- it's that it no longer exists in my system. It's not in my keyboard menu, when I run 'killall ControlStrip' I get No matching processes belonging to you were found. It's like the update wiped TouchBar all together. Yes I have rebooted, yes I have shut down. I've run the terminal, the utility, I've tried everything. This is extremely frustrating.

Hi, same here.

I'm coming from a 13-inch, M1, 2020 MacBook Pro.

I'm always on the slow train when it comes to my MacOs updates, primarily because as a good millennial I only really use it for big purchases, travel planning, etc. So this evening that I finally got around to updating after finalizing some plans (using Safari).

Updated to Tahoe 26.3 and BAM the Touch Bar was dead dead. I already tried doing three restarts, and it's still out.

I wonder how common it is tho. I also don't want to go in person to a Genius Bar appt.

It kinda made me sad to see it not working lol

Same here! I updated to Tahoe 26.3, and since then my Touch bar has been blinking and not working properly. I've shut it down and turned it back on several times, but it hasn't helped.