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startup disk

  1. T

    MP 1,1-5,1 Shows as boot device but not in Finder -- Mac Pro 1,1

    MacPro 1,1 running ElCap 32/64 bit EFI hack. Boot camp start options (alt key on start) shows Windows 7 32-bit on internall 500gb SSD as boot device and I can boot to it properly. This disk also shows in ElCap Disk Utility but DU does not identify it as a Windows disk but does show color bar...
    • tnbriggs
    • Thread
    • boot camp macpro 1-1 startup disk
    • Replies: 0
    • Forum: Mac Pro
  2. Zachary Morgan

    Startup Disk

    Hello, I have been getting the gray question mark when I start my MacBook Pro (A1502 with 3.1GHz, i7). I've figured out how to navigate to the OS X utilities page. However, the HD isn't showing up and so there is nothing to try and fix the startup disk on/reinstall my OS High Sierra on. From...
  3. M

    MacBook Pro 13” Touch Bar 2018 problem

    good afternoon! There was a problem with the MacBook Pro 13 ”TouchBar 2018. Recently, an update arrived, I set it to update, everything was in regular order. After some time, a gray screen appeared demanding either to select a boot disk or Update. Both options yielded nothing, and I decided to...
    • MaximKom
    • Thread
    • software update startup disk
    • Replies: 2
    • Forum: macOS
  4. oOLokiOo

    How can I make 2 bootable partition on one HDD?

    Hi everyone! I have old Macbook Pro 2009 and it not possible to boot from USB device on it. Also, I have no DVD with Mac OS under my hand... So... I made three partition in Disk Utility: - First, my Main Mac OS - "Snow Leopard" - Second, files from bootable ISO with downloaded DVD - "Lion" -...
  5. Mohanak

    mac partition startup disk not on win 10 bootcamp assistant

    Hi, when apple upgraded HFS+ to APFS, macOS startup disk was not showing on windows 10 bootcamp Control Panel. this last until recently when a bootcamp Control Panel on windows 10 pops up an update. I have applied this update on iMac and MBP. macOS startup disk is now showing on "windows 10...
    • Mohanak
    • Thread
    • apfs assistant bootcamp hfs hfs+ macos partition startup disc startup disk win 10
    • Replies: 5
    • Forum: macOS Catalina (10.15)
  6. R

    Startup Disk wont appears (Downgrade To High Sierra)

    Hey guys, im running on a mid-2012 macbook pro retina (os catalina) and i want to make a downgrade (to high sierra) but the bootable pendrive wont appears on Startup Disk options. to get more complicated, since i bought this mac i never set a firmware password but the lock appears. so, when i...
  7. daveh0

    switched startup drive - safe to delete old startup partition?

    I recently put a 2nd drive in my 2011 iMac. I had been running OSX on the single HDD. But now with a faster SDD, I downloaded the High Sierra installer to the HDD and ran it specifying to install to the SSD. When the computer restarted, I held down the Option key and specified to start from the...
    • daveh0
    • Thread
    • clean install partition startup disk
    • Replies: 3
    • Forum: macOS
  8. mode11

    Resolved Startup Disk pane - Bootcamp 'bless' issue

    I've recently updated to Mojave, but haven't used Bootcamp for a while so this issue may have been there with High Sierra. I can boot into Windows 10 by holding Option at boot, and can load Bootcamp fine through Parallels. But if I try to select Bootcamp via Startup Disk, I just get a message...
  9. C

    Help diagnosing a HDD problem

    Hi everyone, thanks in advance for your wisdom on this. I have an old workhorse, 17" Macbook Pro mid-2010 (model A1297). It's been VERY sluggish for a week or two, so I freed up some memory, ran Disk Utility and OnyX functions - it found a bunch of stuff to repair and on a final kernel cache...
  10. iHanuka

    Mac pro won't startup when external drives are "on".

    Hello, I am using a mac pro 2008 with a Mercury Accelsior E2 PCI express with an internal Solid State Drive on the card and 2 external SSD drives. I am using Mac Os X El Capitan and it's installed on the SSD that is physically on the card. and this is the startup disk. When the external drives...
    • iHanuka
    • Thread
    • external drives mercury accelsior e2 pci express solid state drive startup disk startup issues
    • Replies: 2
    • Forum: Mac Pro
  11. M

    Macbook air stopped working - full startup disk

    Hi, So I was having alerts that my start up disk was almost full. I forgot to empty it and suddenly I got an alert that my start up disk was completely full. I tried to start deleting things but my trash application on my MacBook air is not working at all and I cannot delete anything. What...
  12. H

    Adding Fat32 partition to startup volume

    Hi everyody, I am currently in the process of creating a 30gb Fat32 partition on my macbook pro. And it has been running for two hours already, which is making me quite anxious, as the screen is frozen at the same time. The mouse cursor can still be moved, however everything else is frozen...
  13. Mfrazee

    Prohibitory Sign help!

    Hi everyone, new to the forum here. I don’t consider myself a computer wiz, though I know more than the average consumer. I’ve been having bizarre issues come up since installing High Sierra, so I tried to do a factory reset of my 2017 MacBook Pro. I erased my drive and restarted the...
    • Mfrazee
    • Thread
    • high sierra macbook pro (15" 2017) prohibitory sign startup disk startup error
    • Replies: 0
    • Forum: MacBook Pro
  14. lindyman77

    Now High Sierra can't find my SSD startup disk...but booting externally

    Super weird issue going on. Upgraded my 13" 2011 MBP with a Samsung 840 Pro SSD to High Sierra. (Automatically upgraded to APFS with TRIM enabled) Last night it wouldn't boot showing only a flashing folder/question mark. Did all of the usual stuff PRAM, Recovery Mode, repaired permissions, etc...
  15. grahamperrin

    Recovery OS: nothing after quit from … Startup Disk

    I used Recovery OS Disk Utility to mount (unlock) a Core Storage encrypted volume, then Terminal to attempt HFS-to-APFS (no conversion). I can't recall whether the (Command-Q) quit from Terminal was preceded by Command-W closure of the window. I probably did exit before the quit. When I first...
  16. star-affinity

    Mac Pro Mid 2010 (MacPro5,1) and Windows 10 – Startup Disk not working

    I have managed to install Windows 10 on a separate drive and the Boot Camp drivers (I know they are not for use with Windows 10) and I can start up into Windows 10 and launch the Startup Disk tool there, but the changes doesn't stick. It only works if I do this in OS X. I guess it might have to...
    • star-affinity
    • Thread
    • boot camp mac pro mid 2010 startup disk windows 10
    • Replies: 0
    • Forum: Mac Pro
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