Update of hackintosh

[Rangoo 0]

Can anyone help me update my niresh Catalina hackintosh from 10.15 to 10.15.5?? I tried updating through the system preferences. And upon reboot I was stuck at ++++++++++++ 

[Hackintosh Shop 245]

You should update the bootloader before updating to 10.15.5

[darthvader 0]

On 9/23/2020 at 12:45 PM, Hackintosher said:

You should update the bootloader before updating to 10.15.5

can you please let me know how to do this? How do i update the bootloader in a Mac OR PC?

I have 10.15 installed on my dell. I tried to update to 10.15.7