Mac os el capitan clean install

That's what this article is all about. In summary, you will:. I suggest you read this entire article first , understanding all the steps before you begin. Steps 5 and 6 require some preparation, are particularly tricky and must be handled with care.

Here we go! Step 1. Prepare and Verify. Disconnect any unnecessary peripherals such as printers, tablets, microphones, etc.


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  7. Perform a Clean Install of OS X El Capitan on Your Mac?

Try to work with just attached drives and a wired mouse and keyboard. Identify which items are backed up to iCloud. Use Disk Utility to make sure your boot drive permissions are all repaired and that the disk directory is verified as good.

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This will make sure your Time Machine backup doesn't get scrambled. Then you're ready for the next step. Time Machine. Do one last Time Machine backup. Later, if you have a curent Time Machine backup and something goes very wrong, you can boot from the recovery partition CMD-R and do a complete erase Disk Utility and then restore from your Time Machine archive.

You'll be back where you were before you started.

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How to create a bootable USB drive

That way, you can always mount that external drive, access and copy over individual files. I use BBEdit. That's because the personal Library folder is one place that typically needs a thorough housecleaning. A great resource for that is RoaringApps. Barring sufficient information there, you'll have to visit the developer's website. Others will require an installer that places supporting files on your Mac in various places, for example, your personal Library folder. Catalog these apps so that you'll know which ones came from the Mac App Store and can be readily recovered and those which require you to download a new installer from the developer's website.

For example, your spouse. El Capitan boots, however after the language selection screen where I am supposed to go into disk utility to erase the previous hard drive, the HDD does not show up, only the El Captain DVD. I have read you can try to erase using recovery mode but I have tried several times to enter recovery mode on startup and I don't think Posted on May 4, AM. Page content loaded.


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  • May 4, AM in response to pkbasco In response to pkbasco. May 4, AM.

    Installing or Reinstalling OS X El Capitan (Only If You Have To) - dummies

    May 4, PM in response to pkbasco In response to pkbasco. Try using a USB stick. You can make a bootable USB stick to install using these free programs which will do all the work for you. Already on GitHub? Sign in to your account.

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    This happens with pip install suite2p or using pip install. This happened recently when I was helping some install too. The only thing that worked was making a conda environment for suite2p and installing there. Have you tried that already?

    Mac : Factory reset / Fresh install ( OS X El Capitan )

    You could force-install an older version, or try to force-install PyQt5-sip. If you run python, can you "import PyQt5"? I know this is only if you build PyQt5 yourself, but might be worth a shot?

    How to reinstall macOS from macOS Recovery

    Sorry I don't have a Mac to test it on, there may be other Mac users out there that have experience with this? Been installing both pip install suite2p; and github versions recently on Mac OS Did that fix work? If so, please close the issue. I've added a help wanted flag in case it's still a problem. But I am starting to suspect that it is a more complex problem due to me lagging behind on el capitan.