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startup

  1. I

    macbook pro mid 2012 White-gray screen at startup behavior

    hi there ! In my macbook all were ok until recently, i believe, when i used opencore to make an external hdd bootable with sonoma etc. I say this because it appeared around that time. I never saw this system behavior on my laptop. When i start the macbook via power button, it opens and i see a...
    • istme1
    • Thread
    • blank screen macbook pro mid 2012 mbp progress bar missing startup stuck on gray screen white
    • Replies: 1
    • Forum: MacBook Pro
  2. aurora72

    Mm 1,1-6,2 Mini DP to VGA cable doesn't work at startup - Mac mini Late 2009

    Here is my Mac mini Late 2009 with the Mini DisplayPort to VGA converter: Using this MiniDP-to-VGA cable configuration, if I power on the Mac mini the monitor (an 22" HP x22LED) doesn't light up at the startup. it doesn't light up while the Mountain Lion's being loaded (the green screen)...
  3. Apple fanboy

    Resolved Drive wiped now can’t install MacOS

    So my 2018 Mac mini decided to act up this week. I thought I’d upgrade to Sonoma. Big mistake. Unfortunately it got stuck in a loop trying to download then would crash. I decided to reinstall from my Time Machine back up. That just lead to more issues. Ended up with Ventura (but not very...
    • Apple fanboy
    • Thread
    • bootdrive crash download mac mini mac os security access startup time machine update
    • Replies: 18
    • Forum: macOS
  4. 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
  5. Tyyper

    iMac logo won’t show and start

    Hello, I am using iMac early 2008 and I have been facing this issue a lot recently. My computer won’t start and after it does it won’t take me to password page however, it would start and function normally after a couple of restarts. But today it isn’t working, this issue has been happening for...
    • Tyyper
    • Thread
    • imac ( 20" 2008 mid) startup
    • Replies: 4
    • Forum: iMac
  6. M

    MP 1,1-5,1 Startup weirdness, cMP 5,1, Mojave

    Hi all, wanted to start this as a tracking thread as I work on a strange startup issue. I will be posting excerpts from my blog here as I work through the issue. If anyone seeing this recalls a similar thread here a link would be appreciated. my ongoing blog post on the issue is here...
    • mwhybark
    • Thread
    • cmp 5.1 mojave startup troubleshooting
    • Replies: 0
    • Forum: Mac Pro
  7. tinygoblin

    Rename Windows (Boot Camp) volume in Startup Manager

    This is addressed primarily to owners of 2016+ 13/15-inch MacBook Pro with Boot Camp volume on internal SSD. I'm trying to set Boot Camp volume (located on internal SSD) label displayed in Startup Manager (Option-boot, boot loader) to something different than Windows. The commands I use are...
  8. tinygoblin

    Rename Windows (Boot Camp) volume in Startup Manager

    This is addressed primarily to owners of 2016+ 13/15-inch MacBook Pro with Boot Camp volume on internal SSD. I'm trying to set Boot Camp volume (located on internal SSD) label displayed in Startup Manager (Option-boot, boot loader) to something different than Windows. The commands I use are...
  9. H

    Chrome and Terminal window opened after reboot

    Both the Terminal and Chrome appeared after I booted up this morning, despite neither of them being set to open at login, or as login items for my user group. I thought it may have been becasue I only closed their windows and didn't quit the actual applications, so I tried to reproduce that, but...
  10. J

    2015 15 Mac never wakes from safe sleep when battery is drained

    This might be a strange question but here goes. When I use my Mac, it sometimes just cuts power when the battery is at high percentages like 90 percent. I've been able to solve this by calibrating the battery but now I have a new issue. When I get the battery to zero and plug in the charger, my...
  11. M

    Delete Python Core Services

    Hello, so I downloaded the Minstaller for a LUT package and it decided to instal Python 3 in my core services. It keeps asking me to install developer tools at Startup. I have tracked the file to the core services folder and cannot delete it. Can anyone give me directions how I might? Even if...
  12. H

    MP 1,1-5,1 MP 5,1 (4,1) doesn't boot from PCIe NVME blade

    Greetings. I am on: 4,1 MP flashed to 5,1 Radeon RX 580 64 GB RAM 2x 3.33 GHz 6-Core Intel Xeon Catalina (10.15.7) Boot ROM MP51.0089.B00 SATA SSD as boot disk 2x NVME M.2 blades via PCIe adapters on my two PCIe 4x lanes remaining after putting in the GPU (which covers my two 16x lanes) All...
    • hollja01
    • Thread
    • boot mac pro (2008) mp 4.1 mp 5.1 nvme pcie pcie adaptor sata ssd startup
    • Replies: 1
    • Forum: Mac Pro
  13. L

    Startup disk randomly disappears and reappears since installing Big Sur

    I installed Big Sur when the public beta came out, no funny business, all official, and the installation went without a hitch (MacBook Pro, 2017) However, often when waking from sleep I will get the flashing ? folder showing the startup disk is "missing". It's not every time, may 25%. To get it...
  14. B

    MP 1,1-5,1 Mac Pro 3,1 No Chime

    Hiya folks. Well, my workstation was having issues. I had another Mac Pro (4 core) that I'm working on now. But my 8-core needed some work. I had two GeForce cards in there, SSD, 4 other drives, PCI SSD, USB3 PCI card...24 GB RAM. It was shutting down, so I thought the power supply couldn't...
    • BeeRich33
    • Thread
    • chime mac pro power startup
    • Replies: 1
    • Forum: Mac Pro
  15. J

    16” i9 dgpu MBP won’t startup

    Have had kernel panics before, but today it wouldn’t wake up at all. I could get it to come back via an SMC reset, but the minute i plugged a peripheral in, it crashed. Tried again with reset, restarted, but nothing. Now, the SMC doesn’t even seem to work. I’ve also tried the NVRAM reset...
  16. A

    iMac 2008 not booting / screen issue

    I was recently given an iMac (2008 I think) from an old lady who said it wouldn’t Start up. I thought I’d give it a go but I’m more of a pc guy so could do with some help. It turns on to apple loading screen but stops halfway through & the screen goes dodgy like in the pics. Any idea what this...
  17. Mr Robert

    Imac 27" 2011 Non Starter

    I started having problems when my Mac would start, seeming the hard drive had eventually corrupted and couldn't get past the start up bar I have purchased a new drive Sandisk SATA iii 512mb + Heat adapter (OWC) but after checking realised this may not be compatible as the iMac only has SATA II...
    • Mr Robert
    • Thread
    • imac 27 ssd startup
    • Replies: 7
    • Forum: iMac
  18. sibby

    Macbook pro won't start - goes to startup disk hard drive boot screen

    Hi folks, I have a fairly old Macbook Pro (I think it's 2011/12). I was using it last night then the battery cut out. When I went to charge it up and power up, it gave me this screen (pic attached). Do you know why this has happened, and do you have any advice as to steps I should take? I...
    • sibby
    • Thread
    • boot harddrive macbook macbookpro 2012 recovery disk startup
    • Replies: 2
    • Forum: MacBook Pro
  19. JedNZ

    Resolved Mac Pro Server (Mid 2012) strange antics powering up

    Just bought another cMP 5,1 Server (Mid 2012) Quad-Core (single CPU). When I first plugged the power cable in it started automatically before I even hit the power button. All good, so I upgraded the firmware from the original 7F to 89, then popped a RX 580 in and upgraded to 144.0.0.0.0, but...
    • JedNZ
    • Thread
    • battery cmp diag power-on pram battery startup
    • Replies: 65
    • Forum: Mac Pro
  20. Infantryron

    MacBook Pro 2012 Retina - Absolutely CRAZY - Cant figure it out! Please help....

    MacOS Mojave Version 10.14.6 Macbook Pr (Retina, Mid 2012) Processor 2.3 GHz Intel Core I7 8GB 1600 MHz DDR3 Graphics - Intel HD 4000 1536mb 15.4' Display - Intel HD Graphics 4000 1536 MB Graphics 1 - Randomly my CPU would start overheating and crash. 1a) It was due to mdsStore constantly...
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