Problem: Big Sur 11.3 Update Does Update from 11.2.1

[almenara1331]

It does not update me from version 11.2.1
The model is iMac (Retina 5K, 27-inch, 2017)
Opencore 0.6.8 Sandy Bridge Desktop I7 3.4 GHZ
16 GB Ram
Gigabyte Z68A-D3H-B3 board
Radeon RX 580 8GB
Any ideas??

 

[cabal2000]

It does not update me from version 11.2.1
The model is iMac (Retina 5K, 27-inch, 2017)
Opencore 0.6.8 Sandy Bridge Desktop I7 3.4 GHZ
16 GB Ram
Gigabyte Z68A-D3H-B3 board
Radeon RX 580 8GB
Any ideas??

reset nvram,
Reboot your system, press space bar on the drive icon, select and press enter on the Reset nvram icon. Reboot

 

[almenara1331]

Fixed the problem.
I had SIP disabled and that was the problem.
Thank you