i upgraded to macOS Tahoe 26, the machine heats up, also experience battery running down fast and preview documents writings are not sharp.
[Re-Titled by Moderator]
Original Title: macOS Tahoe 26
MacBook Air 13″, macOS 26.0
kwaku94 wrote:
i upgraded to macOS Tahoe 26, the machine heats up, also experience battery running down fast and preview documents writings are not sharp.
[Re-Titled by Moderator]
Original Title: macOS Tahoe 26
Sounds like things are going smoothly...
What you do not say is this a Intel Machine or a M-series machine(?)
You can try trouble shooting further:
—A SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies
Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled temporarily.
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
This test will tell you if third party interference; most extensions etc are not loaded in safe boot mode.
—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support
This will tell you if it a universal issue or isolated to your user/admin account.
***wireless keyboard with rechargeable batteries— connect the charging cable, this will make the wired keyboard successful Safe Boot your Mac.
unplug all non-essential peripherals when testing
Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus
all known to cause issues on the macOS
kwaku94 wrote:
i upgraded to macOS Tahoe 26, the machine heats up, also experience battery running down fast and preview documents writings are not sharp.
[Re-Titled by Moderator]
Original Title: macOS Tahoe 26
Sounds like things are going smoothly...
What you do not say is this a Intel Machine or a M-series machine(?)
You can try trouble shooting further:
—A SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies
Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled temporarily.
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
This test will tell you if third party interference; most extensions etc are not loaded in safe boot mode.
—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support
This will tell you if it a universal issue or isolated to your user/admin account.
***wireless keyboard with rechargeable batteries— connect the charging cable, this will make the wired keyboard successful Safe Boot your Mac.
unplug all non-essential peripherals when testing
Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus
all known to cause issues on the macOS
Battery drain and heat are expected. Give it some time to finish indexing files and optimizing the Photo Library for object detection algorithms.
About Apple software updates - Apple Support
If you want to file a bug report, you can do that here:
You may also have a third party process launching at startup that is not compatible. The best way to view the files launching on startup, processes using the CPU, and recent hangs or crashes, is by posting the free EtreCheck report using the Additional Text option when posting. If you have any Antivirus, Cleaners, or VPN, they have long been a source of compatibility issues.
How to use the Add Text Feature When Post… - Apple Community
macOS Tahoe 26 causes overheating, battery drain, and blurry document previews
