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Requirements: Leopard(10.5), Snow Leopard(10.6), Lion(10.7), Mountain Lion(10.8) and Mavericks

One of the most common and popular memory card in the market today is Secure Digital (SD) card. SD card uses solid-state technology to store information and it has no moving parts such as hard drives. SD cards are known as Secure Digital cards because they have the ability to secure or protect the data from unauthorized access. SD cards have a locking write-protect switch to save data against unauthorized access. SD cards not only support data storage, this card also performs input-output functions via Bluetooth, GPS receivers, network cards and digital cameras. This capability is known as SDIO (Secure Digital Input Output).

SD card data can be easily imported to Mac computer. In order to transfer data from SD card to Mac, either you need to insert the SD card in SD card port or you can use USB card reader to connect it to Mac. Different Mac models have in-built SD card slots that are primarily designed to easily transfer data from SD cards used in digital cameras, camcorders etc. Generally, SD card mount as a regular Finder-accessible volumes thus they can also be used for backup purposes. The optional write-protect switch does not offer protection automatically. You need to slide this switch to lock position in order to avoid data being accidentally deleted.  If the write-protect switch is not in lock position then data loss may occur.

Common scenarios in which you may lose data from SD Card

Accidental deletion of files from SD card: Files may get accidentally deleted from SD card on Mac finder using Command+Delete keys, “rm” command or “rm-rf” command when it is connected to Mac. The files that have been deleted from SD card on Mac using “rm-rf” command or Command+Delete keys cannot be restored from Trash as they bypass it resulting in loss of files. Thus in order to restore deleted files from SD card, you need to use Mac OS data recovery utility.

Abruptly disconnecting the SD card from the Mac:  When the Mac is running, SD card connected to it should be ejected properly before removing it from the Mac computer. If you do not eject the SD card properly then a warning message appears indicating that the memory card is not properly put away (ejected) thus data may have been lost. In this case, Data loss generally occurs because Mac OS uses write-behind caching technique. When changes are made to the data, this technique saves that changes to the card in a cache file i.e. temporary file. When the SD card is ejected, the data stored on temporary file is transferred to SD card first. Hence, if you abruptly remove the SD card without ejecting it properly then you may lose cached data resulting in data loss

Accidentally formatting the SD card on Mac: Formatting the SD card deletes all the data stored on it and creates new FAT32 file system to store new data. Thus, accidentally formatting the SD card causes data loss

Although, the data from SD card is not permanently removed. You can recover deleted files from SD card on Mac using SD card recovery tool on Mac. SD card recovery tool on Mac is designed with powerful in-built algorithms that help in recovering different types of files like audios, videos, images, documents etc from SD card. This software supports different form factors of SD card like microSD cards, miniSD cards and original SD cards. This software can also recover and undelete deleted files from Flash memory cards on Mac OS X such as SD cards like CF cards, MMC and XD cards. SanDisk, Transcend, Kingston, Lexar, Sony etc are the different manufacturers of SD card supported by this software. This software has the ability to undelete data from USB flash drive from different versions of Mac Operating Systems such as Leopard, Snow Leopard and Lion. Moreover, this software also has the ability to restore Mac Book Pro deleted / lost file with utmost ease.

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Follow below steps to recover deleted files from SD card on Mac.

Step 1: Download and install SD card recovery tool on Mac

Step 2: Launch the software. The main screen will be displayed with 3 options like “Recover Files”, “Recover Photos” and “Recover Partitions and drives” as shown in Figure 1

Recover deleted files from SD card on Mac - Main Screen

Figure 1: Main Screen

Step 3: Select “Recover Photos” option from the main screen to recover different types of files like songs, videos, photos, documents etc from the SD card. Now, to recover accidentally deleted data select “Deleted Photos” option as shown in Figure 2

Recover files from SD card on Mac - Next Screen

Figure 2: Select Recover Deleted Photos Option to restore deleted files

Step 4: Select SD card from and then click on “Next” option as shown in Figure 3. You can select the specific file type from list of different file types otherwise skip this step

SD card recovery on Mac - SD card selection screen

Figure 3: Select SD card

Step 5: You can view recovered data using “Preview” option to estimate the recovery results as shown in Figure 4

Mac SD card recovery  - Preview

Figure 4: View recovered files to evaluate recovery results

Buy Full Version
Requirements: Leopard(10.5), Snow Leopard(10.6), Lion(10.7), Mountain Lion(10.8) and Mavericks