Solved! I was watching Netflix there’s black screen came on my computer said no bootable devise insert boot disk and press any key

[randolphberniyah]

And I press any key it said the same thing over and over

 

[kanewolf]

This screen says that your hard drive has failed or can not be read. You will most likely have to replace the hard drive in your computer. You might get lucky and be able to retrieve data off the disk. This is why scheduled, automated backups are recommended. You never know when a disk will fail.