Request of urgent help....
Hi. I inadvertently deleted the Mac and EFI partitions of an HD inserted on a Macbook Pro (2009). Fortunately I have the Linux one (with Debian XFCE) that I am writing from. I tried to recover with Gparted (by installing gpart), but after more than an hour I stopped having no recovery signal. Then I installed test disk and this is the screen.
<TestDisk 7.1, Data Recovery Utility, July 2019
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org
Disk /dev/sda - 480 GB / 447 GiB - CHS 58369 255 63
Partition Start End Size in sectors
P EFI System 40 409639 409600 [EFI System Partition]
>P Mac HFS 409640 700519039 700109400
P Linux filesys. data 700520448 759113727 58593280
P Linux Swap 759113728 761114607 2000880
P Linux filesys. data 761114624 937701375 176586752
Structure: Ok. Use Up/Down Arrow keys to select partition.
Use Left/Right Arrow keys to CHANGE partition characteristics:
P=Primary D=Deleted
Keys A: add partition, L: load backup, T: change type,
Enter: to continue
HFS+ blocksize=4096 + Backup, 358 GB / 333 GiB>
All partitions appear highlighted in green.
What can I do to reset Mac OS?
I don't dare shut down because I'm afraid it won't reboot anymore having wiped the EFI partition as well.
How can I do without loosing the Mac data? Thanks in advance
Francesco
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