[arcull]

Thanks for the suggestion caf4926, but unfortunatelly that doesn't help me solve my case. During installation I have explicitly seleted that the grub should go to mbr of the disk and the installation completes ok, however after reboot there is nothing on the disk that could be booted from. If I switch to my old disk in bios, run the old installation and manually mount any partition of the new disk to a certain mount point, I can see data is there...well I can not verify that everything is in it's place, but I suppose it is, since the installation went ok. The true trouble seems to be the mbr. I got a suggestion from a collegue that it could the bios of mobo with it's antivirus protection preventing any writes to mbr of disks, however I haven't seen any such feature in bios that could be swithed on/off. Another suggestion I got is that maybe mbr of the disk isn't somehow "ready" and therefore needs some kind of activation. So I'll try to get some tool to check mbr. Anyway any new suggestions are always welcome, thanks