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Since installing 11.1, I can't mount efi partitions from either efi agent or terminal (even using sudo diskutil mount command). Has anyone else encountered this issue? Any suggestions on how to fix this?

Have installed Big Sur on an ASUS Z87 (1150) ROG Maximus but can't get the native audio to be recognized. I know it's an 1150 so I'm guessing the address and layout-id are not included in AppleALC.kext or the MB audio is broken. Config.plist and 2 screen shots (opencore debug and ioregistry)...

Wondering if anyone else is experiencing this: Over several days or so I get multiple copies (all empty "ghost" files) of my mojave ssd (see uploaded image). 'Get info' shows they are indeed [left over] images of the mojave ssd. I have sleep enabled, so I suspect it's some quirk related to sleep...

Anyone running HS should make sure the Root security issue patch from Apple is implemented (should be out when you read this). Description is here https://support.apple.com/en-us/HT208315

10.13.0 failed to install [at the end of boot from the ssd/hdd] resulting in either a message "An error occurred while verifying firmware" or "The path /System/Installation Packages/OSInstall.mpkg appears to be missing or damaged". Some posts state it is due to not disabling SIP, and others...

Rehabman / Toleda On GA-Z97X-Gaming 7 audio (using a native device in a usb 2.0 slot), loaded at start up in earlier OS X versions, but now in 10.12.5 or .6 takes about 45 seconds before it loads and becomes active. Once loaded output is fine. Not a big deal, but just curious. Sleuthing /...

In making sleep simple or using native power management for some cpus, when updating to a new OS version you may discover that Apple has "consolidated" sleep to a single slider bar in Power Management; the Computer Sleep slider bar has disappeared. However, in doing so, the computer doesn't...

Guys, Would appreciate troubleshooting help. System is GA- Z97X-Gaming 7, 16GB DDR3, 3.49 GHz i5, GTX650 TI running Sierra 10.12.5 beta (but this occurs with 10.12.4 too). I'm getting panic crashes after several hours but it seems to be more frequent when I use a web browser (Safari or Chrome)...

Perhaps one of the Clover gurus can provide some insight; MB 8 places post installation kexts in /L/E while Clover places some kexts in the EFI partition. I expect kexts in the EFI partition are available at boot time which can be useful or necessary, depending on the hardware. Since kexts in...

Has anyone else experienced an increase in latency with the Atheros AR8161 nic on the Z77-DS3H MB? Although I have eliminated this as a factor, the ISP provider is Time Warner. I've run this test multiple times, under different conditions (see below) so extremely unlikely the issue is coming...

Toleda, Running Mav 10.9.4 on a Gigabyte Z77-DS3H rev 1.1. UEFI bios. Previously audio with your 2.6.1 Toleda ALC887 kext worked perfectly. Ran MB 6.4.0 and inadvertently re-installed the audio kext which replaced the old one with 2.6.3. No audio with or without HDEnabler. Re-installed ver...

Have encountered 2 issues booting a Latitude E6330 (Chimera 2.1 from MB). If booting with only the laptop display, it enters sleep / power saver mode during the boot (power button alternates from dim to bright). Pressing it powers the display and the login screen. System definition is 9,1. If...

Has anyone dissected the U1L UEFI (updated 8Mar13) to determine what was changed from the previous 12Jun12 release or successfully flashed their bios?

I know this was addressed earlier, but the thread seems to have disappeared. Initially ML booted from the OCZ Agility 60GB SSD without problems. After corrupting the system, etc. I repartitioned it and started from scratch. Now ML boots ok, but I initially get the error message 'EBIOS error 0x31...

I see that others have also experienced bluetooth problems, so perhaps a thread just on the bluetooth is warranted. I've just recently put 10.7.2 on 2 identical HP 4530s laptops. One recognizes the bluetooth occasionally, while the other never seems to recognize the internal bluetooth. All kexts...

Gordo, Tony, and All - Not sure this post is better placed elsewhere, but have posted here since most of the P67A-UD3-B3 posts are here. If you'd rather move it, please do so. Here's the mystery. Machine is GA-P67A-UD3-B3 F4 rev 1.1, 8 GB ram, and ATI 5770 display card. Win 7 x86 installed...

Online [aka offsite] backups are a great idea for really critical files that you never, ever want to lose. Obviously, backing up on line to a cloud or other network server offers several advantages over local backup disks. Carbonite is an affordable solution for Windows, and Intel-based Apple...

Here's an interesting one. Selecting sleep seems to work as expected (i.e., the computer instantly appears to go to sleep). However, moving the mouse or striking a key to bring it out of sleep results in a reboot. Strange behavior which would suggest that the computer is indeed sleeping not shut...

Hoping someone has a suggestion. 10.6.5 is running fine on a P55A-UD3 F11 bios, Nvidia 8400, MacMan's DSDT from this board, and 4 gb ram. I have deleted the arch=i386 from plist, and have selected 64-bit mode with Multibeast. If I recall correctly, it should not be necessary to have more than 4...

Has anyone been successful in loading 10.6.3 on a Dell Vostro 3500 with Intel HD Video? Installed on a partitioned drive, ran Multibeast (Easybeast), and can boot to the partition with iBoot, but when I try to boot from the hd it just continues to reboot. Booting with iBoot everything appears to...