No bootable device found-please enter a new boot device

Ok thanks a lot dude, i appreciciate it

Since my new hdd isnt being recognized and my old one yes, i finally came to a conclusion that both the hard disks are dead, the new one even more dead than the old one.
I came to this conclusion cuz i booted from usb with linux and the llaptop started perfectly, and then i just searched for hard disk drive, and there were no hard drives there, only the removable usb disk that i used to boot from linux.
So maybe i will give it a try using a new hdd .
I had a dilema that my motherboard electricity was some kind of the problem but not, cuz my hard drive ( the old one) was recognized in bios, but who knows !

So thanks guys