There are forum reports of the update to macOS Catalina resulting in some Macs becoming non-responsive, with some indication that an update to the EFI firmware may be responsible… There are multiple ...

Problems applying update Several readers have reported problems applying the firmware update, with the installation process failing after the required restart and the firmware revision number not ...

For some time now I have gotten a slow but steady volume of requests that I write about UEFI firmware and EFI boot relative to installing and maintaining Linux. As a result of a casual comment I made ...

Problems booting Some users are reporting problems starting up after applying MacBook Pro EFI Firmware Update 1.5.1. In some cases, this problem is caused by a failed firmware update -- an issue which ...