I patched it again and tried to boot and still prohibited sign....the last patch tells me again 1,72 GB used on disk
...whats wrong?this afternoon I tried to patch it with an old Yosemite that I have and same thing
Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
macOS 10.12 Sierra Unsupported Macs Thread
- Thread starter redheeler
- WikiPost WikiPost
- Start date
- Sort by reaction score
- Status
I patched it again and tried to boot and still prohibited sign....the last patch tells me again 1,72 GB used on disk
...whats wrong?this afternoon I tried to patch it with an old Yosemite that I have and same thing
Hi, just got it working on an iMac 7.1, after putting in a penryn, thanks for your patch
I honestly think it's something wrong with the drive you're using. Try using just a normal USB stick.I patched it again and tried to boot and still prohibited sign....the last patch tells me again 1,72 GB used on disk
this afternoon I tried to patch it with an old Yosemite that I have and same thing
Thank you Dosdude!. Finally downloaded Sierra Public Beta and with new patch installed on my MacBook Pro 5.1 with no problem. Works !
MacBook Pro early 2008 - currently upgrading from developers beta 1 to public beta without restoring .. will post if it succeeds or fails. So far installed on USB without an issue
EDIT:
Update just completed. Works perfectly. Keyboard, wifi and siri which other people were having trouble with works without issues on computer!
EDIT:
Update just completed. Works perfectly. Keyboard, wifi and siri which other people were having trouble with works without issues on computer!
Last edited:
Make sure that you are booting from the USB stick on the first boot after installing, then run the POST INSTALL app from the utilities menu. After this completes, you should then be able to boot your macOS Sierra installation.
can someone advise or help me. I'm still stuck at the sign....what should I do? I can't go to anywhere when finished installed all the necessary steps from the walkthrough video.
Hold the option key when you restart your machine and the Sierra installer should open up. Go to utilities at the top and click post installer and run that.
I'm having issues with the macOS Post Install not showing when booting the USB stick. I've tried building 2 different sticks. I've tried erasing and reformatting the destination drive, nothing. Tried the latest version of the tool (from about a 10:00PM EST download) and it's still not showing. I've verified that the macOS Post Install app is on the drive on another Mac. Hardware is a mid-09 MBP. Also, the mouse works but the keyboard doesn't. I figured i'd try launching the post-install from terminal, but I haven't been able to type anything. any ideas?
what is the best way for me to do inorder for my MacBook pro to be up and running? I have time machine backup on external HD but seems like it can't restore from backup.
Tried a few different scenarios with the installer on my MacBook Pro Mid 2009, would get to a certain point in the Sierra install and it would error out with prohibited message on a couple of drives, might try a different USB drive this next week...for now I have Beta 2 installed using VMware on my Windows 10 laptop to test Sierra. Had to go back with the El Captain boot disk to restore test drive.
Last edited:
It takes about a minute or so, just wait it out. If it doesn't, just force reboot it and try again.Stuck in "rebuilding caches" when I try to run the macOS Post Install patch.
Well, I booted El Capitan again, copy the PlatformSupport.plist manually for Sierra partition and forced a rebuild cache from Terminal. It works! Update from DP to Public Beta.
Attachments
Last edited:
Yes there is, and one of the first updates to PB1 is a RECOVERY UPDATE. This method of installing macOS Sierra on unsupported machines just does not address patching the recovery partition.