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13” 화면 MacBook Pro 모델

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What else could it be!?

I have suddenly become clueless as to this problem. I own a mid 09 Macbook Pro which has developed the flashing question mark syndrome on startup. I did my research and was told that the issue was probably the HDD cable since the computer's upgraded solid state hard drive could be plugged into a different Mac and still work. However when I installed the new HDD cable the problem still persisted. I tried all of the hotkey fixes such as starting in safe mode, selecting the startup disc, etc... The only thing I have not yet done is reinstall the operating system, which I can't do because I don't have the disc. Is this a common problem or did I just have a million dollar baby?

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Did the SSD ever work on this machine?

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Since you do have access to a second Mac, leverage it to create a bootable USB thumb drive with the downloaded OS installer from the Apps Store.

Basically get a 16GB or larger thumb drive, delete the FAT32 partition that these drives have using OS-X Disk Utility. Then setup a GUID partition on the drive. After downloading the OS installer make a backup copy. Then launch the installer to install onto your Thumb drive the OS (Yosemite). Once installed copy over the OS installer to the thumb drive. Last step here is to check the drive bootup your Mac. Reboot the system holding the Option key to get to the Boot Manager select your thumb drive and if it boots up your system run Disk Utility from it to check your drive. Repair both the permissions & disk. Then see if the drive will both up on its own if not you may need to re-install the OS. But before you do you may want to make a backup copy of all of your stuff.

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Like Mayer asked, "Did the SSD ever work when you placed it in the laptop?" Secondly before you shut the machine down were you able to clone the old hard drive to the SSD using a software like carbon copy cloner? The software is free however the use may be limited. I have done multiple configurations on both of my mac an iMac 2009 and a MacBook Pro (RAID-0 with backup by Time Machine daily, RAID-1 this all with a OWC data doubler and two sats 3 SSDs of 240 GB each.) I take it from your post and I am insinuating this that you failed to clone the previous drive. One idea with further reading of your post try to create a usb install drive with the Disk utilities and everything to install OS X on your SSD. There are instructs on the web mind you Google is your friend. And the whole process should only take you once you find the instructions and figure things out about 30minutes to an hour depending on the size of your Time Machine backup (a fresh install is better on those era MBPs). Also good luck on your repair I believe you'll do well and if need be and you have trouble I have done this before feel free to contact me and I can do a FaceTime session to assist you in diagnosis and troubleshooting the issue.

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I did not install the SSD, it was installed when I purchased the computer and it had worked without any issues for quite some time so no I never cloned the drive. Unfortunately I do not have a time machine backup and I don't have an external hard drive to backup to so basically I have nothing that I need to get this fixed and I'm also new to Apple so much of this is totally new to me I would basic level instructions on the processes it will take to fix the problem. Anyone else out there care to help?

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MacBook Pros, particularly the 13" model in my experience (although that may have been just because they were way more popular...) absolutely have an unacceptably high HDD cable failure rate. However, that's not always the cause of the "flashing folder" issue, which means that the machine couldn't find an operating system to boot from.

If it were a HDD, I'd immediately ask if you'd dropped or bumped the machine. However, SSDs are much more shock tolerant. That doesn't mean you can throw one across the room -- solder joints can still crack very easily -- but it does make it less of an issue. Still, if you've dropped the machine, that may clue us in to what's going on.

SSDs have had a rough start -- they're fairly new tech -- and certain models have had high failure rates.

What model of SSD do you have?

Also, if your machine has this capability (it may be a year or two too old), check to see if your drive is being recognized at all. You can do this by holding CMD + R right after powering on the machine. If it does happen to boot into the recovery OS, use Disk Utility (listed under "Utilities" on the menu bar, or it may be one of the four options immediately showing on your screen in the OS X Recovery environment). If your drive appears on the left, that likely means the OS just needs to be reinstalled. If it's not showing, you're more than likely going to need a new drive.

Rarely, the issue can be caused by a logic board-level component failure ($$$), but that's something like 5% or less of the time, in my experience.

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This usually indicates that the OS cannot be found which is (in most cases) caused by your HDD failing. You need to replace the HDD, hopefully you have a backup, then restore from your backup or if you aren't too fussed about what's on there, do a disk utility partition reset then reinstall via the apple store over wifi.

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Start it up normally then hold the Option key for a bit. Eventually a menu will appear and see if you can select your normal startup drive in the list. If it boots properly, then you can go into the settings and configure your startup drive. Might have just messed up somehow.

If it doesn't detect or doesn't boot still, you might need to repair the drive.

Follow this for a legit tutorial: Apple Official website

Mostly need to check the following:

  1. If your Mac doesn't get past the flashing question mark
  2. If your Mac starts up to a gray screen (with no flashing question mark) or a flashing question mark or flashing globe, give the computer a few more moments to locate its system software. If you normally start your computer from an external drive (Thunderbolt, FireWire or USB) make sure the drive is connected and powered on.
  3. If your computer still does not start up, try the next set of steps to help your computer find its system software.

''Turn off your Mac by pressing and holding its power button for a few seconds.

Press the power button once to turn your Mac back on. Then, hold down the Option key on your keyboard until the Startup Manager appears.

Select your startup disk from the list of drives that appear on screen.

If your computer finishes starting up normally, choose System Preferences from the Apple menu. Then, click the Startup Disk icon in the System Preferences window.

Select your normal startup volume (such as Macintosh HD) from the list of drives that appear in the Startup Disk window.''

If your installation of OS X needs repair

If you don't see your startup disk displayed in Startup Manager, or if you see a prohibitory symbol (⊘) appear, your startup drive may need directory repair, or OS X may need to be reinstalled.

''If you only see a disk named "Recovery HD" in Startup Manager, select it instead. You can also start from OS X Recovery by holding down Command and R on the keyboard at startup.

From the Utilities menu, choose Disk Utility.

In the Disk Utility window that appears, select your startup disk (usually named "Macintosh HD") from the left side of the Disk Utility window.

Click the First Aid tab.

Click Repair Disk to verify and repair any issues with your OS X startup disk.

After repairing the disk, try to start up normally.

If none of these steps resolve the issue, start from OS X Recovery and reinstall OS X.''

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I appreciate all of the helpful tips and advice from everyone. The final verdict on this particular computer is that the logic board crashed. This evidently is a rare problem but I just happened to be one of the lucky few.

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Tell us how exactly your motherboard crashed please.

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In one post you said you did'nt have the disc then you did have you tried completely disconnecting the drive cable and option boot in a mac os x either disc or usb ? or it boots up like that you found out?

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I do not have the iOS install disk and I never have. So I cannot boot from the disk. I know that the SSD is in perfect working condition because we tried it in another computer. I suppose I could have ended up with a bad SD cable when I purchased the new one but I find that highly unlikely. Unfortunately I don't know anyone near me with a mac so I can't test to see whether the new cable is bad or not. With the knowledge that the hard drive is good and the assumption that the cable is good I can only assume by process of elimination that it is the logic board. I intend to buy a new computer and part out the old one (convert the SSD to an external backup drive and the disk drive as an external USB drive..everything else will be sold). Like I said thanks everyone for your help unfortunately it just won't be worth it to me to pay for the new logic board.

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I don't know exactly. I shut the computer down normally and then a few hours later tried starting it up and experienced the problems listed in the original post. After going through the HD cable and the SDD and finding that they both worked fine that's the only other thing it could be is the logic board

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