Replaced Optical Drive now Mac book will not boot up
I bought a second hand Mac Book Pro A1150 model. It did not have an optical drive so I bought one, installed it and now my Mac Book will not boot up. When I take the drive out the Mac Book boots up fine. I was told that the optical drive although used was tested and work when it was shipped out. I'm a little new to Macs but not new to working on computers. Is it common for a possible defective optical drive to casue a Mac Book pr to not boot up or does this sound like an issue with the optical drive cable, or possibly the logic board?
That is true. I cannot think of any way to test the Optical Drive without swapping it into a known correctly operating MBP.
A thought which probably may not be an issue. When I installed an Optical Drive in my old (2006) MBP, I remember seeing in the instruction manual an item called a grounding pad (which looked like a tiny steel brillo pad with out soap) which was missing in mine. The MBP worked and I essentially ignored it. Perhaps that may not be case with your situation.
My thoughts are that the Optical Drive is malfunctioning and the cause of your problem. Perhaps you should consider getting a new replacement from OWC. But that entails a $100 risk with no guarantees of success.
Ciao.
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Open error 5:"input/ output error" on syst with over 50 of this messages & still counting . Disk Utility says 1 minute
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Does anyone know what is going on here ?
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WARNING: This will completely erase the ENTIRE hard drive.
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Why won't my Mac book boot up,start up only grey screen with ? showing?
That folder with the question mark icon means that the MacBook can't find the boot directory. That can either mean it can't find the hard drive or the Operating System data on the hard drive is somehow corrupted.
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Or if you are running 10.7 Lion, 10.8 Mountain Lion or 10.9 Mavericks, boot from the recovery partition (Command +R on boot) and use Disk Utility to repair your OS 10.7, 10.8 or 10.9 partition.
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If your hard drive isn’t recognized in Disk Utility then your hard drive is probably dead. -
My macbook, which is only a few months old, downloaded some new updates, and when it was restarting, i closed the screen and set it aside. Since then it will no longer boot. It loads the apple screen, and appears as though it is loading, but it never does. What could this problem be?
Do a power shut down. Hold down power button until it's off. Try to boot from the disk, if it fails try to boot and reset the Pram:
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Try this next and report back,
Ray -
HT1338 White Mac book will not start up just shows gray screen with apple logo
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There are some recovery steps for this condition outlined in the below article.
Mac OS X: Gray screen appears during startup -
Replaced optical drive now locked out of hard drive hdd start up drive will mount
replaced optical drive now locked out of hd start up drive will not mount can some one help me
I didn't ask you if you thought you ordered the correct optical drive...
You opened up the machine. You made a change. Now it doesn't work. Reverse what you did and see if it works again. I'm assuming that the machine actually worked before you did this, right? -
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Hello Lara,
have you already called Apple and explained your current situation, because I don't see a way to downgrade your storage plan with a Mac only running Snow Leopard and without a iOS device running at least iOS 5.
Best regards. -
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This is might help:
http://www.youtube.com/watch?v=JwCdgwGHFm8
I had given up on finding a solution until i found your video. It's just a miracle!!!
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2009 Mac Pro will not boot up under Windows
I have an Early 2009 Mac Pro system (Mac Pro 4,1) and I've had this system for 3 years already and have been working under OS X with this system ever since I purchased it.
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If anyone knows of a fix or what to do in this situation, or if you are also having this issue, I would love to hear your input!
Thank you!
For the record, I am running all the latest software builds on the OS X side (10.7.4, not that it would really matter at this point). I have also disconnected all unnecessary equipment in a trial and error scenario but the results are still the same.
The system passes all ASD testing.
The full specification of the computer and all connected equipment are as follows:
2009 Mac Pro (4,1) 8-Core
2x Intel Xeon Nehalem 2.66GHz Quad-Core CPUs
16GB DDR3 ECC 1066MHz RAM (Apple Branded)
Two OWC 120GB SSDs (One for OS X, the other for Windows 7 x64) - These are in place of my optical drives.
4x 2TB WD Black Hard drives for storage.
Two Samsung P2350 Monitors connected via DVI. (One using a Mini Displayport to DVI adapter).In Windows I am using the latest (12.4) Catalyst Software Suite, 64 bit of course, downloaded directly from AMD's site after installing the drivers from Boot Camp.
As for installing Windows I used an original (not burned) installation media (Disk is in a pristine condition). And yes, Windows is fine, the problem just seems to be getting the system to boot up Windows with that second monitor. However if the "problem monitor" is disconnected the system boots fine 100% of the time and connecting it later after booting the system will still operate properly.
For the sake of arguement I swapped monitor cables and connected the "second" monitor to the mini displayport adapter to verify that it wasn't a cabling issue and I'm still yielding the same issues.
As for GPU testing, I've played games (Crysis, Grand Theft Auto IV, Battlefield 3, etc.) and I've had no issues with the card or stability.
You would think that Apple would try to find a fix for this, especially considering the caliber of this machine. -
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My Mac pro will not boot. it gets stuck on the grey screen. What can I do?
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Macbook 4,1
Early 2008 15" macbook pro
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the Battery was not working after only 23 cycles
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panic message is
Unable to find driver for this platform: "ACPI".\n"@/SourceCache/xnu/xnu-1228/iokit/Kernel/IOPlatformExpert.cpp:1378
Please helpPanic Message
panic(cpu 0 caller 0x000x563ebd) : Unable to find driver for this platform:
"ACPI".\n"@/SourceCache/xnu/xnu-1228/iokit/Kernel/IOPlatformExpert.cpp:1378
Debugger called: <panic>
Backtrace (CPU 0), Format - Frame : Return Address (4 potential args on stack)
(7 lines of hex)
BSD Process name corresponding to current thread: Unkonwn
Kernel version:
Darwin Kernel Version 10.8.0" todays date ; root:xnu-1504.15.3~1/release_I386
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