hi,
i need some help about my hard disk problem,
i have a laptop with seagate sata drive 500G hard disk
a few days ago when i turn my laptop on the system says that i need to repair may operating system . when it try to do it there no respose from the hard disk so i decide to hard reset the laptop. and i took of the hard disk and i put it on an external hdd connector.
when it try to access it as external hdd on my computer, in cannot see it on my OS explorer.when i open device manager on my operating system may i can see my hdd but for some partition is not mark with drive letter and not mark as a healty partition
like this picture below

so i want to ask what i need to do about this problem? anyone can give me sollution??
i'm sorry about my english, i hope you understand what i mean
thank you
Regards