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*El Capitan Download Usb
*El Capitan Bootable Usb Windows
Summary
How to make a bootable USB drive on Linux Mint (19.3) to allow you to install Mac OS X El Capitan on a MacBook with broken or corrupted recovery mode.
Create Bootable USB for Mac OSX with TransMac Step #3. A new dialogue box will pop up, click on the three dots then choose your Mac operating system.dmgfile. Choose Mac OSX El Capitan dmg file. To create a bootable Mac drive you need any disk with Mac OS X 10.11.0 El Capitan or newer (10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina) either running as your main system, or just being installed on a drive that’s connected to your Mac at the moment.
Background
To install El Capitan, make sure the USB drive is inserted into the computer, then restart the computer while holding the Option (alt) key on your keyboard. Wait until the Startup Manager pops up, then select the ’OS X Base System’ volume. Alternatively, you can just hold down the C key while starting up to boot directly into the USB drive.
I was recently given a 2011 MacBook Pro that had been “well-loved” and was therefore a mess of missing applications, ghost files and generally slow-as-hell. Since there wasn’t much worth saving I wiped it and initiated recovery mode in order to re-install OS X (El Capitan).
*OS X El Capitan; Create bootable USB drive with Mac Disk Utility. Now that you have the installation files ready on your Mac, you can move them to your USB drive for future use. To install macOS on an external hard drive: 1. Connect the USB to your MacBook. Open Disk Utility by following Applications → Utilities → Disk Utility.
*Connect your USB thumb drive to your Mac, then launch the DiskMaker X application from your Applications folder. 3.) A small window will appear asking you to choose from three versions of OS X, in order to create the boot disk. Click the button that says “El Capitan (10.11)”.
Having recently fixed a busted MacBook Air I had learned a bit about Recovery Mode (hold Command+R whilst pushing the Power button and release a few seconds after the machine wakes up). I tried that with this machine, and upon hitting “Reinstall MacOS X” was greeted with a prompt telling me it would take -2,148,456,222 days and 8 hours (an uncaught buffer overflow, me thinks). After about 30 seconds, a window pops up saying “Can’t download the additional components needed to install Mac OS X” and the installation gives up. The detailed error log says “Chunk validation failed, retrying” about 1000 times and eventually gives up altogether.El Capitan Download Usb
Further investigation suggests this may be something to do with security certificates having expired and hence the machine not being able to download the necessary files from Apple’s servers, but it seems the error can appear for all sorts of reasons. I also tried Internet Recovery (Command+Option+R) but that gave exactly the same error (and would also only have installed OS X Mountain Lion).
I then turned to attempting to make a bootable USB stick of OS X El Capitan from an image downloaded from Apple. I use Linux Mint on my main laptop and that was all I had available. Apple seem to assume everybody has a spare MacBook from which to create a bootable USB so they provide absolutely no documentation to help with this. I also couldn’t find a single guide online that worked from start to finish, so here I summarise what needs to be done.
Steps
As usual, this is all at your own risk
*El Capitan Download Usb
*El Capitan Bootable Usb Windows
Summary
How to make a bootable USB drive on Linux Mint (19.3) to allow you to install Mac OS X El Capitan on a MacBook with broken or corrupted recovery mode.
Create Bootable USB for Mac OSX with TransMac Step #3. A new dialogue box will pop up, click on the three dots then choose your Mac operating system.dmgfile. Choose Mac OSX El Capitan dmg file. To create a bootable Mac drive you need any disk with Mac OS X 10.11.0 El Capitan or newer (10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina) either running as your main system, or just being installed on a drive that’s connected to your Mac at the moment.
Background
To install El Capitan, make sure the USB drive is inserted into the computer, then restart the computer while holding the Option (alt) key on your keyboard. Wait until the Startup Manager pops up, then select the ’OS X Base System’ volume. Alternatively, you can just hold down the C key while starting up to boot directly into the USB drive.
I was recently given a 2011 MacBook Pro that had been “well-loved” and was therefore a mess of missing applications, ghost files and generally slow-as-hell. Since there wasn’t much worth saving I wiped it and initiated recovery mode in order to re-install OS X (El Capitan).
*OS X El Capitan; Create bootable USB drive with Mac Disk Utility. Now that you have the installation files ready on your Mac, you can move them to your USB drive for future use. To install macOS on an external hard drive: 1. Connect the USB to your MacBook. Open Disk Utility by following Applications → Utilities → Disk Utility.
*Connect your USB thumb drive to your Mac, then launch the DiskMaker X application from your Applications folder. 3.) A small window will appear asking you to choose from three versions of OS X, in order to create the boot disk. Click the button that says “El Capitan (10.11)”.
Having recently fixed a busted MacBook Air I had learned a bit about Recovery Mode (hold Command+R whilst pushing the Power button and release a few seconds after the machine wakes up). I tried that with this machine, and upon hitting “Reinstall MacOS X” was greeted with a prompt telling me it would take -2,148,456,222 days and 8 hours (an uncaught buffer overflow, me thinks). After about 30 seconds, a window pops up saying “Can’t download the additional components needed to install Mac OS X” and the installation gives up. The detailed error log says “Chunk validation failed, retrying” about 1000 times and eventually gives up altogether.El Capitan Download Usb
Further investigation suggests this may be something to do with security certificates having expired and hence the machine not being able to download the necessary files from Apple’s servers, but it seems the error can appear for all sorts of reasons. I also tried Internet Recovery (Command+Option+R) but that gave exactly the same error (and would also only have installed OS X Mountain Lion).
I then turned to attempting to make a bootable USB stick of OS X El Capitan from an image downloaded from Apple. I use Linux Mint on my main laptop and that was all I had available. Apple seem to assume everybody has a spare MacBook from which to create a bootable USB so they provide absolutely no documentation to help with this. I also couldn’t find a single guide online that worked from start to finish, so here I summarise what needs to be done.
Steps
As usual, this is all at your own risk
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