will turn my mac it showing question mark floder and it was not opening and i have tried every thing which is shown in o
my mac book was opening its showing question mark folder
its looking for a system to boot from. The issue may be a dead internal hard drive. You could try to install onto an external drive and then maybe 'see' your internal drive and have a chance to save your personal files or data.
You could try this to install a system but try to save your data before installing: