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boot

  1. L

    MP 6,1 Alt button not working on 2010 Mac Pro (for boot options).

    Hello Mac people. I have a hopefully short and easy question for anyone willing to help. I just acquired a 2010 mac pro (2x 2.66 ghz, 28 gb ram) as an experiment rig. It runs pretty slow even considering it's age and I thought I would try linux on it and see if I can put some life back into...
    • leapp
    • Thread
    • alt boot linux on mac pro mac pro (2010)
    • Replies: 6
    • Forum: Mac Pro
  2. D

    Boot Priority in MacOS "BIOS"

    I have a bootable external SSD install of Sonoma that I use with the MacBook when I'm at home. But now I don't wanna have to bring that SSD anymore when I need to work outside. Is there a way to set "boot priority" options like in Windows? e.g., if the SSD is detected on boot, automatically boot...
    • dummydecoy
    • Thread
    • boot external ssd internal ssd
    • Replies: 0
    • Forum: macOS
  3. CACCIATORE

    MP 1,1-5,1 Mac Pro 5,1 Unable to Boot Windows 10

    I'm using macOS Monterey on my Mac Pro 5,1, installed on an NVMe SSD connected via a PCIe adapter card and configured through OCLP. Since July, macOS has been running very stably. However, I also need to use Windows frequently for work. I initially installed Windows 10 on a SATA SSD using a USB...
    • CACCIATORE
    • Thread
    • 5，1 boot macpro 2012 windows issue
    • Replies: 0
    • Forum: Mac Pro
  4. D

    Slow login/boot on M2 Max

    Greetings. So I installed Sequoia on Mac Studio with M2 Max and immediately noticed that after I type user password after reboot, it takes ridiculous amount of time to load. To be precise, after I reboot, it takes 9 seconds for login screen to appear, and after I type password, it takes other...
  5. !!!

    Why is rebooting to a different partition so difficult on M1 macs?

    I don't get it. Why can't I just hold Option like I used to? Now I can't even hit restart, no, I need to hold down the power button until it shuts off, hold it down until it turns back on again, keep holding it forever, until finally it gives me the menu. Then of course we can't just be done...
  6. C

    MP 1,1-5,1 Problem booting Mac Pro 5,1 with linux kernel 6.8.0 – no problems with linux kernel 6.5.0

    I am running a MacPro 5,1 which can triple boot MacOS Sonoma, Ventura and Ubuntu/Linux from separate SSDs. In the past two days I could not boot Linux 6.8.0. MacOS and Linux 6.50 boot fine. I use OpenCore Legacy patcher (OCLP) on the MP 5,1 to select the required boot drive (each OS on...
  7. mdq8

    Macbook asks to download from store !!

    Hi ... After creating a bootable usb containing OS Sierra for my old Macbook and after booting and during the process it asks me to download Sierra from the store while its available on my usb drive !!
  8. Michael.S

    PowerBook G4 15“ shows folder after boot

    I recently bought a PowerBook G4 15“ to fix it. After boot it first shows an icon with a world globe. Then it turns into a folder that is switching between MacOs face and a question mark. See pics attached. Can you tell what it is and how to fix that? Is OS missing maybe the drive is broken?
  9. A

    iMac late 2013 to get renewal of stock internal system SSD

    iMac 27 late 2013, A1419, EMC 2639 A SSD 500GB is this iMac only internal and boot/system drive since Apple factory populated this iMac with ordered mass storage during latter one's manufacturing 2014. This iMac was ordered 2014 to have 500GB SSD as system and the only drive. iMac is hosting...
    • Arak
    • Thread
    • boot ssd blade
    • Replies: 5
    • Forum: iMac
  10. C

    MP 1,1-5,1 OCLP 1.4.2 MP 5,1. Issues at boot picker and keyboard issues e.g. CAPS LOCK and repeat

    In my MP 5,1 has 3 boot drives with: Ventura, Monterey, Linux/Ubuntu. I chose this setup so if I somehow "ruined" one of the disk I would still have a bootable system. Also it should allow me to upgrade the Monterey to Sonoma and if that turns out to be a disaster I should be able to fall back...
  11. Alvin777

    How Do I "Inject" or Install Grub 2 as the Bootloader (Preferably w/ a 3rd-Party GUI) of my Windows 11 USB Flashdrive Installer & Boot EFI Based Macs?

    Hi GNU Linux bootloader friends. I need to have a Windows 11 or 10 USB Installer in a Flashdrive to be on the ready to fix any Windows installation on any computer (Mac or PC) and any EFI (old Macs use EFI) or UEFI (relatively new PCs and new Macs use UEFI). I burn the Windows .iso using Rufus...
  12. P

    MP 6,1 Problem trying to force upgrade.

    Hi, I tried following the instructions on this page to upgrade my Mac Pro (2013) to Sonoma. I got as far as installing the OS, and then I was met with the following screens shown (pics). When I try to reboot or install the old OS, I cannot get the Mac to stop rebooting and start over. Does...
    • pctechtv
    • Thread
    • boot error legacy sonoma
    • Replies: 2
    • Forum: Mac Pro
  13. S

    Other Samsung SM951 AHCI SSD bootable Mac Pro 5.1

    Hi. Guys, can someone confirm to Samsung SM951 AHCI SSD bootable for Mac Pro 4.1 or 5.1 under legacy boot. this I need for install windows 7 on nvme and boot is in legacy. or what nvme drive with AHCI can boot in legacy - for Mac Pro thanks.
  14. M

    MP 1,1-5,1 Monterey won't boot after restore VMM flag and SMBIOS to default, Opencore Martin Lo.

    I've BigSur on an ssd on a pcie slot, and Monterey newly installed in another, I've installed Monterey after turning ON the VMM flag and SMBIOS spoofing OFF, but when it finished, and reset the two tweaks to default to get full acceleration as recommended by Marin Lo, Monterey can't boot, it...
    • mohnumber7
    • Thread
    • boot mac pro 5.1 martin lo monterey opencore smbios vmm flag
    • Replies: 0
    • Forum: Mac Pro
  15. Alvin777

    Is there a Way to Install Windows (Overwrite, not Fresh Install) onto Another Drive to fix Boot Loop

    Hi Mac friends. Is there a way to install to overwrite the possible corrupt files without data loss (everything is intact) of my Boot Camp Windows 11 (internal drive, Windows build is 22H2) using my backup Windows which is a Windows to Go (build is 23H2) like you would with macOS (you could...
  16. D

    MP 1,1-5,1 Mac Pro 5,1 not starting

    I have a Mac Pro 5,1 that stopped booting. (no fans, no chime) plugging / unplugging PSU make red LEDs quickly blink as it is expected. DIAG button only shows yellow 5V LED Power button doesn't do anything. Shorting sys_pwr (vertically or horizontally) doesn't do anything also What I've tried...
    • dmtr
    • Thread
    • boot mac pro (2010) startup
    • Replies: 13
    • Forum: Mac Pro
  17. M

    “The sampled color is not equal to the first color, this isn't an Apple logo boot image.”

    What does it mean when the installer said, “The sampled color is not equal to the first color, this isn't an Apple logo boot image” during install?
    • MilkandGin
    • Thread
    • boot installer problems macos
    • Replies: 8
    • Forum: macOS
  18. MacProRumours

    MP 1,1-5,1 SLED positions left to right — 1, 2, 3, 4

    Curious as to whether the position of HD/SSD sleds makes any difference between slots one, two, three or four? The presence of a non-bootable—and also unrecognised 8TB HD—in the left-most position, on start-up appeared to prevent the machine from advancing beyond the chime, despite the presence...
    • MacProRumours
    • Thread
    • boot cmp drive order position power sequence sled slot ssd
    • Replies: 2
    • Forum: Mac Pro
  19. janpieterduhen

    MP 1,1-5,1 Mac Pro 4,1 (2009) only booting into recovery mode

    Hello, hope anyone has a tip to get my Mac Pro 4,1 booting into the OS. Symptom: no matter what I try, this Mac keeps just booting into recovery mode. (GFX are fine, nice gray screen with apple logo -> recovery-mode) Failed attempts so far: - remove all disks and do clean install from USB-stick...
  20. jimmieb45

    Upgraded to Ventura from Monterey and bricked my computer. Help?

    Hi friends. I was upgrading to Ventura from Monterey 12.4 this morning and my power cut out. My 2019 27inch iMac is now bricked and only runs the fans at max speed after pressing the power button. No screen turn on, all black. I've attempted the usual power cycle, pram, smc, etc to no avail...
    • jimmieb45
    • Thread
    • black screen startup boot bricked fans high monterey screen black ventura
    • Replies: 13
    • Forum: macOS Ventura (13)
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