Private Key generation in the older versions was completely random... none of the private keys were "linked" in any way. There is 0% chance of being able to regenerate the key.
![Undecided](https://bitcointalk.org/Smileys/default/undecided.gif)
This is one of the reasons why Bitcoin Core moved to "Hierarchical Deterministic" (aka "HD") wallets.
That's very interesting thank you.
Yeah, all three are bad. I would recommend Stellar Data Recovery if you really need to get your file back.
It's great you found your key. Unfortunately I just tried, and it wasn't able to locate the file.
So far only wondershare recoverit found it. I opened the wallet.dat with the windows notepad. It's true the content looked really damaged, I couldn't even find the address in text format.
For some reason Recoverit was still able to compile all the things into a .dat file.
Now...I will try to send it to a « forensic data recovery laboratory » able to operate physically on the disk.
I feel some of these companies look shady and maybe not what they pretend to be. It's hard to find any picture of a laboratory actually.
Any opinion about a good recovery company or about the process itself ?
Is it possible to find fragments of that private key ? If so, I guess those automated programs such as Pywallet would skip those fragments ?
I could isolate the fragments and try to complete them, using bruteforce type programs ? If there is only a few characters missing there could be a chance.
About the laptop,It's an old netbook from 2010 or even older. I bought it just to create the wallets. I rarely use it because it's so old. 60% of the disk is free.
I can't remember what I did with this laptop... maybe I reinstalled windows at some point but I'm not sure.
I isolated 1.5BTC on a SD card for a sibling in 2014. I even forgot about it and so did he. Of course he lost it. Now all I have is this laptop.
By the way I created about 20 altcoin wallets and 5 bitcoin wallets with that computer. So there might be other keys around.
JOB OFFER...I anyone can help me to recover this. I can give 10% or currently around 7500$
I created an image of the disk. Here. (virus free)
https://mega.nz/file/ux4WQLDB#cc_OHpVKRNszxDrnl5Y4A1GwzfszlNNpVJwi43vtXJYAddress : 1FHYSH65uKdVGhR7Y2QznxfBtLWhjotqUq
https://www.blockchain.com/btc/address/1FHYSH65uKdVGhR7Y2QznxfBtLWhjotqUqI'm not good with computers. I tried Pywallet I could not even properly install it.
Now crossing fingers.
Thanks for your help.