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4

You can format any drive to FAT16 with newfs_msdos Command 1) Launch Terminal 2) Find The Drive you Want to Format #mount /dev/disk2 on / (hfs, local, journaled) devfs on /dev (devfs, local, nobrowse) /dev/disk4s1 on /Volumes/USB_Disk (msdos, local, nodev, nosuid, noowners) In this case, my disk is disk4. Your disk will most likely be different! Be ...


0

My external disk was originally in NTFS format with only one partition. The Disk Utility shows two levels for this disk. It always failed to erase this disk when I directly chose the sub-level with disk name on it. As inspired by seano23's answer, I chose the top-level and selected mac map and extended journal format to erase with. The process is ...


2

Open Disk Utility and select the disk in the sidebar (not a partition). Click Partition in the toolbar. Enter the first partition information. Click the + button to add a second partition. Enter the second partition information. The size will be entered automatically from the remaining space. Click Apply.


0

I went to the Seagate site and found an updated driver (at least I assume it is updated - it is unclear). The NTFS now mounts.


0

Use Disk Utility to repartition the drive. It should be able to accomplish everything you need, including reformatting as well if you need it.


0

I think Disk Utility misses a proper EFI partition at the beginning of the disk. If you don't want to completely erase the drive you should be successful following the steps below: Open Terminal and enter the following to get an overview: diskutil list The 3 TB disk is your external disk. In the next steps I assume the disk identifier of your external ...


6

Booted to Internet Recovery Mode you have to remove all non-OS X partitions, modify the partition types and then resize your main volume. The reason why you can't boot your Mac is the bogus partition type (FFFF-FFF....) of your main partition (i=2/sda2). Additionally the Recovery HD partition (i=3/sda3) has the wrong type. Preparation: Restart to Internet ...


0

First Steps: Repair the Disk, Tell Us What Happens What exactly is happening isn't something I know. However, with a damaged disk, the first step should be to attempt to diagnose/repair it. Since that didn't work, tell us what went wrong. It'll give us a lot of insight into what may have happened and how we can fix it. Since You Can't Repair The Disk It's ...


0

Don't use Paragon ExtFS for OSX with El Capitan.The port is very experimental despite the fact that Paragon claims support for El Capitan. I've damaged two times a 1.5TB ext4 filesystem beyond irreparable limits, using two independent installations of EL Capitan (10.11.3) on a MacBook Pro and MacBook Air. fsck -y /dev/sda(x) on an linux box after file ...


0

Try parallels, it lets you run multiple OS


0

Chasing Ghosts You have successfully removed all windows partitions from your disk, but you have not yet removed all files added during your attempt to install windows. What is left are files in your EFI partition. The ghost is being caused by the file efi/boot/bootx64.efi stored in the EFI partition. Open a Terminal window and enter the following ...


1

Booted to your main volume or Recovery HD open Terminal and enter (El Capitan installed): diskutil cs resizeStack 7D5C38D3-6682-498B-A003-82580C9EC3D3 1120g or in (Mavericks/Yosemite installed) diskutil cs resizeStack 7D5C38D3-6682-498B-A003-82580C9EC3D3 0g Please add a comment if you get an error .


2

If you have your data safely backed up or don't care about losing it, you can follow these instructions to recreate your Fusion Drive. Boot into Internet Recovery or an OS X bootable drive. From the Utilities menu, open Terminal. Run diskutil cs delete 654B2807-197B-46D1-9919-B75C0290D33A to destroy your current Fusion Drive. This WILL lose all of your ...


3

Windows' Disk Management has overwritten the GUID partition table with something unknown. This usually only effects the partition table but not the content of your disk (though it seems to be gone)! A proper GUID partition table has to be restored. The particular obstacle here is: the OP neither has a thumb drive nor a second Mac. Preparation: Backup the ...


0

Booted to Internet Recovery Mode you have to remove the swap partition and then resize your main volume. Preparation: Backup your main volume Restart to Internet Recovery Mode by pressing alt cmd R at startup. The prerequisites are the latest firmware update installed, either ethernet or WLAN (WPA/WPA2) and a router with DHCP activated. On a 50 ...


-1

First of all i would use a gparted livecd/usbstick to find and destroy the missing partition, after deleting the misscreated partition i would left the space unformatted. Since you are using El Capitan the system is probably using core storage it is preferable to resize the Macintosh HD volume with diskutil from your mac recovery partition or a Mac OS X ...


0

A commercial ($20) option is Paragon ExtFS for OS X, which supports read/write mounting of ext2/3/4. I'm using it now in El Capitan. It has a few annoyances, such as seemingly not paying attention to mount options specified in fstab... But generally seems to do the job fine.


1

It would be hard to tell with out looking at the backup. If I was in you situation and I was not sure if the first backup was successful I would wipe that partition and start again (assuming when you say initial backup you mean the first ever!) From my personal experience however when similar things have happened to me during a backup I've had no corruption ...


1

There's no such thing as "Built for Snow Leopard". That labeling just an old habit PC manufacturers have for Windows, but it doesn't apply to Macs at all. If Apple lets you run the OS, that means they tested it, and should work just fine. The reason you can't resize those disks is because they are formatted as "ExFAT", and OS X doesn't support resizing ExFAT ...


2

The formatting should last undefined amount of time, as there are many factors potentially involved, such as disk encryption or using slow external USB drives. Before cancelling the task, you should verify if there is no progress indicated by the app, for example by marking the position of progress bar with some other window or mouse cursor, and checking ...


0

Yes, you will be able to partition later. When you partition, both partitions will be encrypted with FileVault. Alternatively, you could just set it to encrypt your El Capitan partition, it won't make a difference.


1

If you enter diskutil list / in Terminal only partitions of the boot device are visible. The proper command to enter is just diskutil list. With the disk identifier diskX found above try to verify the disk and the volume: diskutil verifyDisk /dev/diskX diskutil verifyVolume /dev/diskXsY If verification was successful try to make a mountpoint: sudo ...



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