cgsecurity.org

With TestDisk as one of tools and with great support of Almighty I finally managed to boot the partition.
That means full recovery of the entire disk, just very few files were lost.
Thanks for watching

After some manipulations I got this:
Disk /dev/sda - 500 GB / 465 GiB - CHS 60802 255 63

Partition Start End Size in sectors
> 1 P Linux 0 32 33 892 225 37 14342144
3 E extended LBA 893 0 1 47746 254 63 752709510
5 L Linux Swap 9138 1 1 10181 254 42 16771776
X extended 10182 0 1 29762 254 57 ...

...Sorry, I forgot to post
fdisk -p output:
Device Boot Start End Blocks Id System
/dev/sda1 * 63 12289724 6144831 83 Linux
/dev/sda2 12289725 14346044 1028160 82 Linux swap / Solaris
/dev/sda3 14346045 976768064 481211010 83 Linux

Disaster...I got Dell D800 laptop with dead display and no OS and I tried to install on it something that would work with external monitor. The only linux distro that worked out of box was Parted Magic and then I decided to try Salix (I tried it already in VirtualBox and I like the distro). However ...