On To The Next Thing...deleted Partition.

Discussion in 'Hardware' started by jmacintosh, Dec 23, 2017.

  1. jmacintosh

    jmacintosh Private E-2

    Thanks to everyone who offered their help regarding my prior post. I did end up doing a fresh install of win7, I am up and running with connectivity.

    During the process of what was going on trying to use the win7 disk to repair my prior issue, I misread which drive was which and I deleted the partitions on my storage drive. I have not installed anything or formatted that drive after realizing my mistake. I read the drive utilities section and I purchased EaseUS Partition Master Professional. Using that program I cannot automatically or manually detect the drive to repair or find the partition. The program itself suggests I use another product of theirs, but that software will not work with a "GTP" drive. I have put the drive into two rigs. An older one with XP which detects the drive in both panes of the Computer Management >Storage >Disk Management program, and back into my rig with the fresh win7 install, which detects the drive in the bottom pane, but not the top.

    The win7 rig detects the disk as an unallocated space of 931 Gb, no file system, assigned letter, or partition.

    Goal #1 is to repair the partition, thereby saving the directories and files within. I do have some very important files on that drive I would like to save.

    Goal#2 if #1 is not possible, save the files as best I can, and pray I am not forced to simply wipe the drive.

    I appreciate your help as to the next step. I spent all night trying to get the two programs from EaseUS to work with no joy.
     
  2. dr.moriarty

    dr.moriarty Malware Super Sleuth Staff Member

  3. jmacintosh

    jmacintosh Private E-2

  4. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

  5. jmacintosh

    jmacintosh Private E-2

    Thank you Tim...is it reasonable to expect to recover the file tree structure of the missing partition? or am I expecting too much? I wouldn't minding parting with cash as long as it works, it is the result I am more concerned with.
     
  6. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    I don't know. Never used it. Did you read the documentation?
     
  7. jmacintosh

    jmacintosh Private E-2

    Going over it right now, but it's not like it comes with a idiot light. I need one of those!
     
  8. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

  9. Earthling

    Earthling Interplanetary Geek

  10. jmacintosh

    jmacintosh Private E-2

    quick question, the disk in question is a storage drive that did have a small partition with some system data on it, but it was not a boot drive. the os was on another physical drive. in order to change the drive from a GPT to NTFS it is suggested (at least I think it is) by the documentation in TestDisk that I repair the boot sector. Is that what i should be doing even if the os is not on this disk? do all disks have boot sectors?
     
  11. dr.moriarty

    dr.moriarty Malware Super Sleuth Staff Member

  12. Earthling

    Earthling Interplanetary Geek

    GPT and NTFS are different things, talk of 'conversion' is meaningless. If you are having difficulty with TestDisk do give Partition Wizard a try - link above. Although for some reason the description on MG doesn't say so, it does do partition recovery.
     
  13. baklogic

    baklogic The Tinkerer

    With Partition Wizard, I have restored partitions several times-
     
  14. jmacintosh

    jmacintosh Private E-2

    Being a little new at using testdisk, I have it installed and ready to start. Went to Analyze, and got the following log...Progress!

    It would appear the main problem, at least where to start, is in the last few lines of the log...

    Intel
    Disk /dev/sda - 1000 GB / 931 GiB - ST1000DM003-1ER162
    Partition table type: Intel
    Analyse Disk /dev/sda - 1000 GB / 931 GiB - CHS 121601 255 63
    Geometry from i386 MBR: head=256 sector=63
    check_part_i386 1 type EE: no test
    Current partition structure:
    1 P EFI GPT 0 0 2 267349 89 4 4294967295
    Warning: Bad ending head (CHS and LBA don't match)
    No partition is bootable
     

    Attached Files:

  15. UPI

    UPI Private E-2

    Hi,

    If you just deleted the partition then it should be possible to 'repair' it: write a new partition table to the disk. If the disk is smaller than 2 TB and there was just the one partition you could even recover it as a standard MBR style partition.

    It appears from the testdisk logfile you now have a GPT style partition table. However, you selected Intel which appears to be the classic MBR style partition table.

    The testdisk example you refer to indeed includes a NTFS boot sector repair, just because their example assumes a corrupt NTFS boot sector. It does not apply to your situation.

    Ignore references to bad CHS values, they are of no importance on modern harddisks.

    Try again, this time select GPT rather than Intel style partition table. Then to a quick search for the tool to scan the disk for lost partitions.

    That all being said: Recovering files from the deleted partition using file recovery software is a safer approach, specially when you're not familiar with stuff like boot sectors, MBR, GPT and what not. A mistake is easily made.
     
  16. jmacintosh

    jmacintosh Private E-2

    Too late UPI, already had to purchase the EaseUS option after I got railroaded by their useless partition recovery software, got no response on here or from the author of cgsecurity after 4 days of posting the log. the software didn't save the file structure, and in most cases file names. So I now can go through 2.4 million files to find what I need to save.

    Wish I had more knowledge like some of the people here have. Then I wouldn't need to rely on anyone else.

    I appreciate what was offered, but I get the impression that anything that requires more than one response like "Read the manual" may not get the kind interactive help I needed.
     
  17. Earthling

    Earthling Interplanetary Geek

    You never gave Partition Wizard a chance.
     
  18. jmacintosh

    jmacintosh Private E-2

    Hello there!

    Actually I did give it a shot, and it would not handle GPT partitions.
     
  19. Earthling

    Earthling Interplanetary Geek

    Ahhh- I owe you an apology. I've used Partition Wizard many times over the years with great success but have not needed it recently. Seems the latest version has moved partition recovery and GPT functionality into the Pro version. Sorry for wasting your time.
     
  20. jmacintosh

    jmacintosh Private E-2

    None necessary, I just wanted to let you know I did not disregard your advice...thank you!
     

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