I received this message on a black screen when I turned on my computer:
Internal hard disk drive not found
To resolve this issue, try to reseat the drive
No bootable devices - Stike F1 to retry boot, F2 for setup utility
Press F5 to run onboard diagnostics
After some digging, I read that I should try the hard drive in a different computer. My family has two identical laptops, so I moved the harddrive the other computer and (THANK GOD) it worked! I tried putting the other hard drive in the defective computer and got the same errors as above. Since I know it isn't the hard drive, what's my next step or probable cause?