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format hd

  1. ipanini

    repair 8TB sata drive that reports wrong size - HOWTO?

    Hi, I'm looking for help to try to fix a harddrive that is reporting a completely wrong size. It is a Seagate Archive 8TB harddrive. Research has 16383 cylinders, 16 heads and sector(size?) is 63. I would expect that in terminal working with diskutil or fdisk should be able to reformat the...
  2. L

    MacBook Air ‘15 formatted now can’t install OS

    i tried erasing my brother’s MacBook Ai, now it gives me the file with ? error when I turn it on, I go in recovery mode with cmd+R as it won’t let me do any of the other combinations. I then try to install Sierra and at -16 (or -360) seconds it gives me the error An error occurred while...
  3. C

    All Devices Hard Drive formatting in High Sierra

    I plan to install two 8tb sata drives in my 2010 mac pro. Will they format to full 8TB with high sierra? Thank you!!!
  4. W

    How to password-protect HSF+ disks now that HSF+ encryption not possible?

    If I understand correctly, Big Sur doesn't allow me to create an HSF+ encrypted disk anymore—and even when control-clicking an HSF+ disk and choosing "Encrypt", it converts it to APFS. How, then, can I create a password-protected HSF+ disk on an external USB drive? I don't want to use it for...
  5. L

    backup / disk format with Superduper

    is the data on the disk at risk during conversion? should one trust the app to make the conversion? other options/methods? risk to data primary concern. another clone prior necessary? xternal disk encrypted, two partitions
  6. CocktailHour

    Format ext, Copy Files

    Hello! I'm running 10.13.6, and need to put my film on a Linux formatted drive so that a movie theater can play it. This means I need to format a thumbdrive for say, ext3, then mount it, and then use something like cp to copy the files over. Been searching all over, but only finding...
  7. S

    Disk Utility Formatting Mojave Drive

    After installing beta 2, I started having most of my built in MacOS applications crash with minimal use (without any obvious reason). Upon running disk utility, I found that my drive had been corrupted by the new install. I attempted a repair with no success. But... no big deal, it’s time to...
  8. L

    Help: Could not mount disk1s2 after erase

    Hey, I'm new to this forum and, don't know much about Mac. I have a Macbook Pro mid 2012 edition. I recently Installed a used SSD (Samsung Evo 850 250gb) in place of my HD, and took out the optical drive and placed my HD there instead. I have a USB to boot High Sierra on the new SSD, which...