Catalina 10.15.5 won't load on my macbook. I am using 10.15.4 at the moment - any suggestions?
Why won't 10.15.5 load?
MacBook Pro 13″, macOS 10.15
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Hi,
Download 10.15.5 updater and install it could solve the issue.
https://support.apple.com/kb/DL2039?viewlocale=en_US&locale=en_US
If it doesn't help, resetting NVRAM before install updater could update your macOS.
https://support.apple.com/en-us/HT204063