Couple of days after updating to 13.6.9 the time zone changed by itself. I have this error message (see below)
popping up randomly in the last 6 most or so. Could it be that? Thanks is advance for help.


MacBook Pro 15″, macOS 13.6
I have three things for you to try:
Reset PRAM: Reset NVRAM on your Mac - Apple Support
Reset SMC: Reset the SMC of your Mac - Apple Support
Boot up while holding Command + R to go into recovery. While in recovery, use Disk Utility to do first aid on the drive. Make sure you change the view to "All Devices" so that you can click on the actual hard drive and not just the container.
If none of those items help, there is a good possibility that it's a RAM issue. Problem is, after 2012, Apple started soldering it to the board. So you can't swap them out if they go bad.
I have three things for you to try:
Reset PRAM: Reset NVRAM on your Mac - Apple Support
Reset SMC: Reset the SMC of your Mac - Apple Support
Boot up while holding Command + R to go into recovery. While in recovery, use Disk Utility to do first aid on the drive. Make sure you change the view to "All Devices" so that you can click on the actual hard drive and not just the container.
If none of those items help, there is a good possibility that it's a RAM issue. Problem is, after 2012, Apple started soldering it to the board. So you can't swap them out if they go bad.
Follow the suggestion from the previous Contributor - First
Yes, as they have mentioned, newer Apple computers have the RAM Soldered onto the Logicboard
There by making it impossible to Replace a possible Failed RAM Module
Some user were success by Erasing the The Drive and Reinstalling the Operating System from Scratch
Others were less fortunate and requiring a New Logicboard
Hopefully the previous suggestion with prevail and fix the " Volume Hash Mismatch "
Below are a collection of some of those who were the less fortunate and needed Servicing from Apple
Volume hash mismatch, cannot reinstall MacOS
Monterey rev 12.4 - Hash mismatch
Please help - Terminal.app keeps crashing upon reopening - macoS Monterey version 12.4
"Volume Hash Mismatch" on Sonoma? - Apple Community
macOS ventura hash mismatch on disk1s4 - … - Apple Community
Thanks for your reply. As I'm able to use my computer without any issues at the moment(I've stayed on the correct time zone since resetting it) I'm starting to wonder if the above error message is just a glitch in the system? Probably just wishful thinking, it doesn't feel urgent at the moment. I'm able to upgrade and use computer as usual. Probably I will be in touch with Apple soon, as I don't feel that I'm capable of trying to fix this on my own. Thanks again for your time.
Thanks for your reply. Think I’ll need to
get some more help to check this out
further. I don’t want to risk taking a wrong step & making things worse.
Thanks again
Error message on MacBook Pro 2017 Ventura 15" 13.6.9. Soon after updating to this version time zone changed
