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Hey, I wiped this MacBookPro4,1 when I bought it and now I can't find a system boot disk that will work. The only thing I own that boots is a 10.5.8 Upgrade DVD. My El Capitan boot key doesn't work.
My questions are:
MacBook Pro, OS X 10.11
Yosemite and El Capitan were never available on DVD. you can download them from here,
How to upgrade to OS X Yosemite – Apple Support
How to upgrade to OS X El Capitan – Apple Support
Follow the instructions from Section 4 to Section 7 to create the Install OS X Yosemite.app
or/ and the Install OS X El Capitan.app. You can then make bootable USBs of these OS installers.
You need to be doing this on a mac that can run Yosemite and El Capitan. Any mac that came
preinstalled a later OS like macOS Sierra, High Sierra etc will refuse to do the conversion.
It also may be the case that you need to have Snow Leopard installed before you can install
Yosemite or El Capitan, you would need to buy a copy of the Snow Leopard DVD on e-bay
or similar. Having installed Snow Leopard you would need to use the App Store to make sure
Snow Leopard is fully updated before installing Yosemite or El Capitan.
Yosemite and El Capitan were never available on DVD. you can download them from here,
How to upgrade to OS X Yosemite – Apple Support
How to upgrade to OS X El Capitan – Apple Support
Follow the instructions from Section 4 to Section 7 to create the Install OS X Yosemite.app
or/ and the Install OS X El Capitan.app. You can then make bootable USBs of these OS installers.
You need to be doing this on a mac that can run Yosemite and El Capitan. Any mac that came
preinstalled a later OS like macOS Sierra, High Sierra etc will refuse to do the conversion.
It also may be the case that you need to have Snow Leopard installed before you can install
Yosemite or El Capitan, you would need to buy a copy of the Snow Leopard DVD on e-bay
or similar. Having installed Snow Leopard you would need to use the App Store to make sure
Snow Leopard is fully updated before installing Yosemite or El Capitan.
Hello,
What is your Macintosh's exact model number?
10.10 bootable USB
