My hard disk were good working but some time ago it is not working now when attach my hard disk my computer is not turn on i d

[heetadhaliwal]

My hard disk were good working but some time ago it is not working now when attach my hard disk my computer is not turn on my computer

 

[Dr-Kiev]

You hard drive shorts 5V to the ground on your PSU.
Trash hdd, buy new one.