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without asking me my cousin was trying to dual boot linux on my pc WITHOUT BACKING UP ANY DATA , in his bootable usb some linux files were corrupted and he used a partition from c drive. now my pc dont have any os and to install one I want to backup my file , I dont have a sata to usb connect so dont give idea to connect hdd to another pc and copy data using sata ti usb cable. give anyother way. if possible tell how to connect hdd to another pc without sata to usb cable.

What I have tried:

I hav'nt tryed anything because I don't know what to do.
Posted
Updated 5-Mar-18 22:23pm
Comments
Maciej Los 6-Mar-18 3:43am    
Off-topic! This isn't a question about programming issue.
BTW: if your cousin did override your primary partition, you've loose data stored on it.
You can download and create bootable CD which contains several tools to restore data. See: Hiren's Boot CD 15.2

If you don't have an OS, then you have a real problem - you should really have backed up before trying to change boot parameters, and if your disk has been repartitions as part of the process then there is a very, very good chance that you cannot reliably access your files at all.

I'd remove the disk, and install it as a secondary in a different PC to examine the partitions and see if there is any recoverable data - there is no point in backing up what you have now, as you have no idea what has and hasn't been damaged.

There are various partition recovery tools - Google Search[^] which may be able to get some back, depending on what you did to the disk as part of yout installation, but I'd suggest that doing an Image backup of teh whole disk before you even try running any (try AOMEI Backupper[^] - they have a free version that is excellent). Install that on the second machine and backup the disk image to a USB drive.
 
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Quote:
How to backup data from pc which don't have a os?

I guess your PC don't boot because something is erased in the very early booting step of the HDD. repairing this kind if thing is not for faint, it is an activity for expert.
You need a deep understanding on how the HDD is used by the PC BIOS to boot the OS.
The tools you need will allow you to do things that go against what standard tools allow you to do, there is no safeguard, that is why you have to know what you do.

The first step is to make a backup image of the HDD. It is an exact copy of HDD, no matter the contain. So that you can recover from a wrong operation.
Then repair what is broken or repair enough to access data.
Then backup your data.

I used to use: Ultimate Boot CD - Overview[^]
as a collection of tools.
 
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