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black screen startup
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Black Screen After Error Test
Black Screen After Error Test Mac iMAC vintage mid 2011 Flying with Sonoma I did the petch on the iMac with Open Core a few months ago, even leaving it in Sonoma. The equipment was stopped for about 2 months, until last week when I went to test an Artificial Intelligence APP. It was fast as... -
MBP 1,1-10,2 Macbook Pro early 2011 - OSX 10.11.6 - boot freeze on last step (black screen)
I have Macbook Pro 17, Early 2011, installed OSX 10.11.6 (El Capitan). I have partly failed dedicated GPU, which I fixed 5 years ago by using SW method to disable dGPU, and always use Intel integrated GPU. Fixed sleep function and keyboard backlight associated problems. Recently I noticed...- simpatico666
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- amd black screen startup macbook pro 2011
- Replies: 30
- Forum: Early Intel Macs
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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
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- black screen startup boot bricked fans high monterey screen black ventura
- Replies: 13
- Forum: macOS Ventura (13)
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MP 1,1-5,1 Mac Pro with RX580 has no boot screen (black) with OpenCore
Hey everyone, I’ve got a CMP 5,1 with an RX580 that has no boot screen. I installed Refindplus and Opencore using MyBootMgr which is supposed to give you a boot screen again. I have Mojave and Windows 10 that both run fine but I need to guess how to get into them and it’s a major pain, plus I... -
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MP 1,1-5,1 Mac Pro 5.1 Tray Black Screen Problem (PLEASE HELP)
Hello, I have two Mac Pro 5.1 (2010) and have 2 problem. First Computer: It doesn't boot, no fans, no chime, no white led in front. When I turn it on, only Graphics card works and some red leds... There is a 'tik tik tik' voice coming from Power supply Second computer: I put tray of this...- macuser5.1
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- black screen startup mac pro (2010) mac pro tray macpro no chimes boot problem gpu
- Replies: 7
- Forum: Mac Pro
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Is my iMac G4 running out of battery?
I've never had the battery run out of any computer so I don't exactly know how to diagnose it; I just know that the computer might not remember its time/date while starting up offline, but I haven't noticed any clock weirdness so far. The iMac has been starting up without the startup chime for...- Riku7
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- battery black screen startup booting imac g4 no chime
- Replies: 3
- Forum: PowerPC Macs
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MP 1,1-5,1 Mac pro 2009 4,1 Boots up but no video output (black screen)Mac pro 2009 4,1 Boots up but no video output (black screen). It was working fine on t
Mac pro 2009 4,1 Boots up but no video output (black screen). It was working fine on the old OS that was on it. I want to update to the highest OS it can run. So I did. But after that I get an black screen. I tried to reset some things like time code, vram etc. Nothing works. Can't even go...- Teachermark01
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- black screen startup mac pro (2009) no output
- Replies: 17
- Forum: Mac Pro
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Start up problems
Hi folks, looking for some solutions to a start up problem. I’ve got a 2009 17” MacBook Pro running El Capitan. Have had some shutdown unexpectedly problems but just had to persevere. However, now things have taken a serious turn! On start up the white screen is blank for longer than normal...- Ecce Homer
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- black screen startup macbook pro start up
- Replies: 0
- Forum: OS X El Capitan (10.11)
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Macbook continuous reboot, chime, black screen after SSD change?
Macbook Pro Retina Early 2015 (bought refurbished, have no warranties) It had 121 gb storage and I wanted to up it a bit; bought SSD from OWC https://eshop.macsales.com/shop/ssd/owc/aura-pro-x2 with 240 gb. Short story - the change didn't work, but computer still works with my old SSD, so no...- Arta
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- black screen startup early 2011 macbook pro retina owc owc aura pro rebooting loop ssd
- Replies: 7
- Forum: MacBook Pro
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MacBook Pro (15-inch, 2016) black screen at start up with no sound. external. monitors work
I assume it went to sleep and the display did not wake....I am taking it in under apple care, but just wonder why is the cause. I have tried all the tricks I believe that I found online. Would be nice to have it work till I get it in the shop. Will boot in safe mode.- fl68dds
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- black screen startup external monitor mbp 15" 2016 mojave
- Replies: 1
- Forum: MacBook Pro
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Macbook Pro Retina Mid 2012 No external Display
Hi, I have some issue with my good old MBPr 2012. Everytime I power it on, the screen is black, I have to close the lid for more than a minute, then the display switches on. I can't get the external display to work as well. I reset the PRAM several times but no change. If I recall correctly...- damienMTL
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- black screen startup external display macbook pro retina 15
- Replies: 1
- Forum: MacBook Pro
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iPhone 8/Plus iPhone 8 plus screen fades to black
I am in the process of setting up a new iphone 8 plus. I put my older phone next to the new iPhone 8 plus and the new iPhone 8 plus asks for my passcode. I enter it in and it starts the process of transferring info (or so I thought). They both have different iOS's, so I figure it probably... -
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Black screen after upgrade Mojave
Hello all, I have just upgraded my Macbook Air to Mojave. After upgrade I am facing a wired situation. 1. I start the laptop 2. Enter the password 3. Now a completely black screen appears for 10 seconds approximately 4. After that the main desktop appears and computer runs fine I never had...- blbwd
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- black screen black screen startup
- Replies: 0
- Forum: macOS Mojave (10.14)
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Macbook Pro 2011 issue
Hi guys about a year ago I encountered the gpu issue that is found in 2011 mbp. I followed the steps that disables the amd chip and it worked, but now im facing a new issue. My mbp turns on but Screen is completely black, no backlight either. No chime. No keyboard backlight. SMC works but...- 1024KB
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- black screen black screen startup boot chime gpu failure issue macbook pro macbook pro 2011 start up issues
- Replies: 8
- Forum: MacBook Pro
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Black startup screen
Hello! Had a question about my mac book pro, I took it into apple because the screen was black but on and the MBP had power it didnt make a sound but the keyboard lit up and the screen did as well it was just a black screen. I wxplained that to the apple guy helping me but he spent a total of...- Steelers559
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- black screen black screen startup power screen
- Replies: 0
- Forum: MacBook Pro
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Mac Pro 4,1 Often Booting to Black Screen
I've got an early 2009 Mac Pro 4,1 that's often booting to a black screen that hangs indefinitely until I manually restart and try to power on again. This seems to happen about 60% of the time when I try to boot up. Tried resetting PRAM and NVRAM but these resets didn't resolve the issue...- kingseamus
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- black screen startup boot error boot fail mac pro (early 2009) mac pro 4.1 (2009)
- Replies: 8
- Forum: Mac Pro
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Mac Pro 5,1 - no boot up - black screen
I've read through many threads @MacRumors and I haven't found a solution for my specific problem yet. My system setup: Mac Pro 5,1 Mid-2010 Westmere Dual Quad Core 2.4 Samsung SSD 500GB (as startup/boot disk) 16 GB RAM 3x WD 4TB Disks Sapphire HD 7970 3GB -> It's brand new and for Mac Pro 4,1 /... -
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MacBook Air a1465 not turning on
okay so I have barely used this Mac and I had it plugged in yesterday morning and came home to some issues. I was sitting on the couch and could hear it running even though it was closed so I owned it up and it was on a screen with a folder and question mark. I hit the power button and it turned...- arisnick
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- black screen black screen startup help macbook air down won’t turn on
- Replies: 7
- Forum: MacBook Air
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Macbook Pro 15´screen problem after upgrade
Before everything, I did this video to explain my problem, after you can read the rest of the post. --- I have one year and a half with my MacBook Pro (Retina, 15-inch, Mid 2015), lovely performance, no problem at all until this weekend. Before Note: I´m from Costa Rica, I bought my MacBook...- kevinfbg
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- black screen black screen startup macbook pro problems screen problem upgrade concerns
- Replies: 2
- Forum: MacBook Pro
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Screen stays black on startup
I've got an iMac 27 2017 with an i7, the 580 graphics card and an SSD of 1 TB. I've extended the RAM to 40 GB. Everything worked fine, but the last couple of days the screen stays black on startup every once in a while. The fan is running and the screen get's black-grey (as it is 'on'), but...
