The latest OS installed is Catalina and I am unable to update to Sequoia. The Macbook was reset back to factory default after installing a brand new battery by Apple but it will not allow me to update to Sequoia. I understand this version of Macbook will take the latest OS however it keeps stalling when trying to download and update.
MacBook Air (2018 – 2020)
This computer >> MacBook Air (Retina, 13-inch, 2020) - Technical Specifications ?
Then, Yes it qualifies for macOS 15 Sequoia
Suggest having at least 50 GB of Empty Space on the drive.
It will allow the Full Version ( about 12.xx GB ) to download, then expand and then commence to install.
If there is Third Party Security Software installed - remove it.
It will interfere with both the download and installation process.
There are factors:
Some which are beyond your control and those with are totally under your control
Like poor Wifi connection
Slow wifi connection
Too many other people downloading at the same time and Apple Severs are overloaded
Software on the computer interfering with the download process including AntiVirus Software
Notation: Disabling the AV Software may or may not solve the issue. Removal of the AV Software may increase the chances of the download to perform as expected.
Running behind a VPN which may increase Packet losses or corruption of the download
If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.
Best Results are via Ethernet Cable to Router
Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal .
Try Again using the Software Update Applet in System Preferences / Setting
Worst case - Restart in Recovery Mode and choose Reinstall macOS.
This in theory will pull the latest version of macOS this computer qualifies to run
This computer >> MacBook Air (Retina, 13-inch, 2020) - Technical Specifications ?
Then, Yes it qualifies for macOS 15 Sequoia
Suggest having at least 50 GB of Empty Space on the drive.
It will allow the Full Version ( about 12.xx GB ) to download, then expand and then commence to install.
If there is Third Party Security Software installed - remove it.
It will interfere with both the download and installation process.
There are factors:
Some which are beyond your control and those with are totally under your control
Like poor Wifi connection
Slow wifi connection
Too many other people downloading at the same time and Apple Severs are overloaded
Software on the computer interfering with the download process including AntiVirus Software
Notation: Disabling the AV Software may or may not solve the issue. Removal of the AV Software may increase the chances of the download to perform as expected.
Running behind a VPN which may increase Packet losses or corruption of the download
If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.
Best Results are via Ethernet Cable to Router
Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal .
Try Again using the Software Update Applet in System Preferences / Setting
Worst case - Restart in Recovery Mode and choose Reinstall macOS.
This in theory will pull the latest version of macOS this computer qualifies to run
Thank you for the prompt comprehensive reply.
My comments are interleaved below.
Suggest having at least 50 GB of Empty Space on the drive.
If there is Third Party Security Software installed - remove it.
Like poor Wifi connection
Slow wifi connection
Too many other people downloading at the same time and
Apple Severs are overloaded
Software on the computer interfering with the download
process including AntiVirus Software
Notation: Disabling the AV Software may or may not solve
the issue. Removal of the AV Software may increase the chances of the download
to perform as expected.
Running behind a VPN which may increase Packet losses or
corruption of the download no VPN
If via wifi too many Other devices using the wifi at the
same time reducing the Bandwidth to your computer.
Best Results are via Ethernet Cable to Router
Restart in Safe Mode. This will perform a Disk Repair,
clear cache files and only load Apple Software, extensions and fonts. The boot
up will be slow and can take some time - Normal .
Try Again using the Software Update Applet in System
Preferences / Setting
Worst case - Restart in Recovery Mode and choose
Reinstall macOS.
Wiping the drive to Base Version of macOS 10.15 Catalina as part of preparing for Re-Sale ?
That is what should always be done IMHO
Reverting to Original Version of macOS the computer Originally came installed with.
Nothing more need be done
Doing so, would robing the Next Owner of the choice to keep using Catalina or upgrading to something of Their choice
More than happy to leave it to the new owner to update from Catalina to whatever. Just thought I would check out the step processes to ensure that it was capable of upgrade. Thankyou for the replies.
We will close the thread now.
I have a Macbook Air i3 2020 that will not update to the latest OS
