Your Mac has worked fine for years, but today it can’t boot up. Or even worse, your Mac died suddenly, and you haven't back up the data. What to do now?
Data recovery on Mac may not be as hard as you think. Generally speaking, recovering data from an old Mac is much easier than from a new Mac. As long as your Mac has a removable hard drive or an emergency data backup connector on the logic board, you have a high chance to succeed.
If your Mac uses onboard SSD technology and Apple T2 Security encryption technology, you need a professional Mac data recovery service. We will discuss your options and the available services on the market.
Apple adopts new data storage technology in Macs every few years. A method used to retrieve data from an old Mac will not work on a newer Mac. You need to use the appropriate method to retrieve the data based on the technology used in your Mac.
Follow this comprehensive guide to recover data from your failed Mac before seeking professional data recovery services. Let’s dive in.
Firstly, You need to identify the model number of your Mac. You can find it on the back case of the MacBook. The photo below is from a 15” A1398 MacBook Pro.
Once you have the model number, go to the Table of Contents above. Click on the title that mentions the model of your Mac. It will direct you to the corresponding data recovery solution for your Mac.
This method is for the 13” MacBooks and 13”, 15”, 17” MacBook Pros. Apple manufactured these Macs from 2008 to 2012.
All these MacBook models have standard SATA mechanical hard drives as their data storage devices. Some owners may upgrade their old conversational hard drive to a SATA SSD drive, but data retrieval from the drives are nearly identical.
Your task is to remove the SATA hard drive or SATA SSD drive from the Mac, install the hard drive to a “SATA to USB” adapter, plug in the adapter to a working Mac and copy the data to your Mac.
Follow these steps to recover data from your MacBook:
Congratulations! You have successfully retrieved your data from a failed Mac.
The photo below shows a typical Mac folder structure. If your Mac has more than one account, you need to back up the data from each account.
If the hard drive has bad sectors, the files stored in the bad sectors will terminate the copy process, and you will get an error message. Use this Linux command in the Terminal Utilities to copy as many files as possible without stopping. The command will skip the corrupted file(s) stored in bad sectors.
cp -Rp source destination
For example, the following command will copy all the files on the Desktop from the user account named “david” to an external drive named “Toshiba”:
cp -Rp /Users/david/Desktop /Volumes/Toshiba
Recover the email from a failed Mac is a bit complicated. You may need professional help if you want to retrieve your email. However, nowadays most email data are held in the mail servers. Once you log in to your email account, all your emails will be available on your Mac.
This method is for the 13” and 15” MacBook Pros manufactured from 2012 to 2015. All these Macs have a removable SSD drive. The photo below shows an SSD drive removed from an A1502 MacBook Pro logic board.
If you can power on your Mac, but it can’t boot up normally, you can boot it in “Target Disk Mode” to retrieve the data. You need a working Mac and a Thunderbolt 2 cable to complete the task. The photo below shows the MacBook on the left side is in target disk mode.
Follow these steps to retrieve files from your failed MacBook Pro:
If your Mac is completely dead, you can’t use the above method. You have to get the same model or a compatible model Mac. Remove the SSD drive from the dead Mac and install it on the working Mac. Boot up the SSD drive from the working Mac. Connect an external drive and copy your data from the SSD drive.
Compatible Macs means both Macs using the same type of SSD drive (same storage technology).
A1425 MacBook Pro is compatible with the 2012 A1398 MacBook Pro. 2013-2015 A1502 MacBook Pro is compatible with 2013-2015 A1398 MacBook Pro. The photo below shows two types of SSD drives used in the MacBooks Pros.
This method is for the 13” MacBook Pros manufactured from 2016 to 2017 WITHOUT a touch bar. This MacBook Pro also has a removable SSD drive.
This model is the last Mac that uses removable data-storage technology. The photo below shows an SSD drive removed from an A708 MacBook logic board.
If your Mac is completely dead, you need to get an A1708 working Mac. Remove the SSD drive from the dead Mac and install it on the working Mac. Your SSD drive can boot up from the working Mac without installing any new drivers. You simply connect an external drive and copy your data from the SSD drive. That is all.
If you can power on your Mac, but it can’t boot up normally, you can boot it in “Target Disk Mode” to retrieve the data, as discussed in section 2 above.
This method is for the 13” and 15” MacBook Pros with touch bar manufactured from 2016 to 2017. The SSD drives in these models are soldered to the logic board and non-removable. The photo below shows the SSD chips soldered on an A1706 MacBook Pro logic board.
To recover data from a failed Mac of these models, you can use a toolkit called “Apple Data Migration Toolkit” (Apple part # 076-00236). You can connect this toolkit to the “lifeboat” connector on the non-functional logic board as shown below:
The toolkit will provide power to the SSD circuits of the failed logic board. Once the tool has successfully communicated with the SSD chips that contain your data, you can copy the data to a working Mac via the USB-C port. You need a working Mac with USB-C ports and the Apple data migration toolkit to get this job done.
Follow these steps to retrieve data via the “lifeboat” connector on a failed logic board.
For more deep technical detail on this topic, please visit our article How To Recover Data From A Dead MacBook Pro A1707 With Touch Bar?
IT-Tech Online specialises in Mac data recovery. Contact us along with your Mac model and fault description. Our experienced staff will call you to discuss your options based on your current situation.
The models in this category include all the 13”, 15”, and 16” MacBook Pro manufactured in 2018 to 2021. They all have onboard SSD chips. There is NO “lifeboat” connector on the logic board for emergency data recovery. Furthermore, your Mac’s Apple T2 Security Chip will automatically encrypt the data BEFORE storing the data in the SSD chips.
Data encryption at the hardware level means, even we manage to retrieve the data from the SSD chips directly, the information is encrypted and useless. The only way to recover the data is to repair the logic board and make the MacBook at least temporarily working. If the logic board is not repairable, the data will be definitely gone. The photo below shows SSD chips and Apple T2 chip on an A1990 MacBook Pro logic board.
Data security is one of the most significant selling points for Mac computers. To achieve a high level of data security, Apple has blocked all the shortcut pathways that we use to access the SSD chips before. Therefore, data recovery from these dead Macs is challenging, and the success rate is shallow. Only a handful of chip level logic board repair specialists can carry out this task.
Water damages are the most common failure factors for T2 chip Macs. The degree of damage depends on how you handle the liquid spill. If you turn off the Mac immediately and NEVER turn it on again, you pretty much guarantee your Mac is repairable, and your data is safe. Severe damage happens when you turn on a liquid-damaged and then dried MacBook, as shown in the photo below. For more info on this topic, please read our article: Spilled water on a MacBook Air or MacBook Pro, what to do now?
Currently, IT-Tech Online offer mail-in data recovery services within Australia. If you are in the United States or other countries, contact Rossman Repair Group in New York. They offer worldwide mail-in services.
This method is for the 11” and 13” MacBook Airs manufactured from 2010 to 2017. All these Macs come with a removable SSD drive. The photo below shows an SSD drive removed from an A1466 MacBook Air logic board.
If your MacBook Air is not entirely dead, it just can’t boot up normally; you can boot it in “Target Disk Mode” to retrieve the data, as discussed in section 2 above. You need a working Mac and a thunderbolt cable to get the job done.
If your MacBook has no power, you need to find the same model or a “compatible” working MacBook Air. Remove the SSD drive from the dead Mac and install it on the working Mac. Boot up the SSD drive from the working Mac and copy your data to an external drive.
There are three types of SSD drives used in this group of MacBook Airs, as shown in the photo below. They use different technology, different interfaces (pinout) and are not exchangeable. Model A1369 and A1370 made in 2011-2012 use the same type of SSD drive. Model A1465 and A1466 made in 2012 have the same kind of SSD drive. Model A1465 and A1466 manufactured from 2013 to 2017 use the same type of SSD drive.
You also can buy adapters to convert the SSD drive to a standard SATA drive, then plugin to a working Mac to retrieve the data.
Apple manufactured this entry-level model from 2015 to 2017. The MacBook uses onboard SSD chips, and there is no “lifeboat” connector on the logic board. It would be best if you got the failed logic board repaired by a professional before you can retrieve your data. The photo below shows SSD chips soldered on an A1534 MacBook logic board.
This low-end MacBook comes with a low-end Intel CPU without a cooling fan. Therefore CPU overheating is the biggest problem for this model.
If your MacBook failed due to CPU overheating, you have an excellent chance to get the data back. You can use a BGA rework station to reflow the CPU, as shown below. We suggest you leave this job to a professional.
After reflow, the logic board should be back to work at least for a while. Power up your MacBook and backup the data as soon as possible. The MacBook may work for a few weeks or just a few hours. Use the window opportunity to recover your data.
Apple uses a 2.5” or 3.5” standard SATA hard drive in iMac up to 2019. Data recovery from iMac is easy.
If you can turn on your iMac but won’t boot up properly, you can force the iMac into “Target Disk Mode” to retrieve the data. You need a working Mac and a thunderbolt cable to complete the task. If your iMac is relatively new, you need a USB-C type of Thunderbolt 3 cable.
Follow the steps to recover files on Apple iMac:
Note: You may need a wired USB keyboard to force your iMac into “Target Disk Mode”. The Bluetooth keyboard that comes with your iMac is not reliable for this specific task.
If your iMac has no power at all, you can remove the screen from your iMac. Then remove the hard drive from the iMac case.
Usually, the 27” iMac uses a 3.5-inch hard drive, while the 21.5” iMac uses a 2.5-inch hard drive. You need to get a suitable SATA to USB converter, as shown below.
Some high-end iMacs use fusion drive technology. The fusion drive technology combines a slow mechanical hard drive and a fast SSD drive as a single drive to increase the speed. You need to remove the mechanical hard drive as well as the SSD drive. The SSD drive is on the other side of the logic board, as shown below. You need to remove the whole logic board from the iMac case to access it.
Now install both drives to a working iMac that supports fusion drive. Boot up the iMac as normal and retrieve your data to an external drive.
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