Warning: number of bytes per sector mismatches 512

How to use TestDisk to recover lost partition
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menamories
Posts: 1
Joined: 06 Dec 2014, 09:12

Warning: number of bytes per sector mismatches 512

#1 Post by menamories » 06 Dec 2014, 09:17

Hello,

I had a faulty HDD and I tried to recover the partitions using testdisk.

I followed the instructions mentioned here
http://www.cgsecurity.org/wiki/TestDisk_Step_By_Step

then I got that message
Untitled.jpg
Untitled.jpg (85.81 KiB) Viewed 1075 times
and I don't know what to do now. Please, Help me.

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Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Warning: number of bytes per sector mismatches 512

#2 Post by Fiona » 06 Dec 2014, 14:30

I'm always a kind of careful, if a message about sector size appears.
Please run a diagnose only and don't confirm at Write.
So you woudn't change anything.
Before you confirm at Analyse, please go to the menu Geometry and change the value sector size of 512 to 4046.
Run your diagnose again and if a partition is found, please mark it and press p to have a try to list your files.
Please copy and paste the content of your testdisk.log.
Note: It's only intended as a diagnose.
Don't confirm at Write and modify anything to your disk.
Actually testdisk obtains the info under windows from the OS.
Until yet, I can't judge, why you received such message?

Fiona

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