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Arlesterc

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Reply with quote  #1 
My Toshiba Satellite Pro running Win 8.1 Pro can't boot - or rather it keeps booting and going into diagnostics and just stays 'diagnosing system/hard disk' forever. I ran testdisk on the drive and the first option that shows up in Analyze is EFI GPT.  If I choose that option I get a list of partitions - no duplicates, no overlaps as far as start/end - all marked P.  The partitions are:

1 P unknown
2 P EFI
3 P MS Reserved
4 P MS Data
5 P Unknown

If I do a deeper search from there I see all 5 partitions but now they are marked as follows:

1 P MS DATA   [System]
2 P MS Data [No Name]
3 P MS Data  (nothing in the far right column)
4 P MS Data [T1....] (looks like Toshiba HDD ID)
5 P Unknown [Recovery]

I did yet a deeper search at this point and got all kinds of errors about:cylinder mismatches, sectors per track mismatches with one or another of  bracketed [FAT], [EFISECTOR],[HD], [BOOT] after each line indicating the mismatch.

In any case when I chose to see the files on the various partitions with the P command, I once again could see all my files on partition 4.

I then ran testdisk again and chose the Intel option.

The first screen showed one partition - P EFI GPT

And a message:  
Bad ending head -  CHS and LBA don't match.
No partition is bootable.


I did a deeper search and I again got 5 partitions but this time they were all marked D in the far left column. No overlaps

The partitions were as follows:

D HPFS NTFS .... [SYSTEM}

D FAT 32 [NO NAME]

D  HPFS NTFS (nothing in the far right column)

D HPFS NTFS [T1....] (looks like Toshiba HDD ID)

D HPFS NTFS [RECOVERY]


Once again partition 4 was the one that listed all my files when I browsed with the P command.
A few more points I should mention.

1) The computer started acting flaky after a dirty shutdown

2) After that dirty shutdown I created two restore points. When I first started to troubleshoot this problem I was able to get into the Toshiba recovery screen but when I asked to restore from the restore points it indicated I had none.

3) This system did not come with media - it has some kind of recovery partition built in for these kinds of problems. In any case I can not get into the system as it just keeps 'diagnosing' - so the zero key or F12 or F8 don't work.

4) I did not add a partition since I purchased this laptop so as far as I know it only had a C drive - I can't recall if there was an additional drive letter that showed up in Explorer or Disk Manager but I can't exclude the possibility that there was indeed one there.

So given the above what is my next step. Partition 4 looks like the correct one and I will back it up and ghost before doing anything. But as far as trying to get this bootable again what should I be doing? I am not sure what partition to mark what. How non-destructive is testdisk for this partition/boot sector tweaking - what are my go back options other than the backing up/Ghosting right in testdisk itself.

Also when the program asks to create a log where is that log going to be created?

Thanks in advance for any assistance with this.
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wkasdo

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Reply with quote  #2 
That disk is dead. Get a new one for that laptop (if you still want it), install Windows, mount the old one in a USB enclosure and recover what you can.
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wobble_wobble

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Reply with quote  #3 
Is by any chance this a SSD.
I had massive problems with an SSD not getting power line supply from the interface cable and it did similar.

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donoli

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Reply with quote  #4 
Have you tried to connect the drive to another computer with a USB HD enclosure?  If it doesn't work with Windows, try Linux.
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Arlesterc

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Reply with quote  #5 
Donoli:

Sorry I didn't make it clear. I attached the disk to a different computer via SATA and it was on that computer that I ran testdisk.  It is not an SSD.

Have you worked with testdisk?
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donoli

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Reply with quote  #6 
No, I haven't worked with testdisk.  However, it looks like a good program.
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