Another strange note here is that it shows the 500GB disk as having all space used except 37.5MB. It says that it has fixed the disk but there still seem to be issues in the fix log (checksum errors, etc.). I have ran 'First Aid' in Disk Utility a number of times in a Verify/Fix cycle.Running diskutil list in Internet Recovery I can see that the Recovery partition exists on disk0 but I assume it is corrupt in some way.
#Imac os reinstall mac os x#
This means that I cannot reinstall the version of Mac OS X currently on the disk. Every time I try this it boots Internet Recovery instead.
#Imac os reinstall install#
I have successfully made a usb boot drive for Sierra (the os it was on prior to this problem), but when I open Utilities in recovery mode and click install macOS, I.
The other day I accidentally messed up updating my iMac from 2010 and have seemed to uninstall macOS. If your iMac has contracted a virus, or a system file that was installed by an application goes rogue from data corruption, reinstalling OS X likely won’t solve the problem, and you’ll be back to square one. IMac Cannot reinstall macOS on corrupted drive. Resetting your PRAM will not only fix this particular OS X install issue, but it can also fix network issues, sound issues, and display issues. No user data will be lost in this process. After the second chime, let go of the buttons and let your Mac restart as normal. IMac disk locked, macOS cannot be reinstalled, disk erase not functioning and the only solution is for you to say take the device to an Apple Store to unlock, Oh my God, that means apple does not a solution to what it has built, If a person will encounter such a problem then it has to be taken to Apple Store to unlock it.
#Imac os reinstall how to#
I've been reading various articles and posts for the last few days to try and work out how to fix this, as follows: Unfortunately the warranty has no expired so any trip to the Apple Store will be quite expensive. On restarting the system showed a grey screen and a flashing directory symbol with a '?', then switched to the Prohibitory symbol. After waiting for several minutes to regain any kind of response, we did a hard reboot using the power button. I'm not sure what version this was but I assume Mavericks or Yosemite for reasons that will become clear.Īt the weekend the laptop seemed to grind to a halt and lockup while we were browsing the web.
At this point they also upgraded her to the latest OS X at the time. In 2013/14 it had an issue with the system files and when she took it into the Genius bar at Apple they reinstalled the OS (wiping all personal data in the process). My wife has a MacBook Pro that she bought new in 2012.