This is for people who have many identical hard drives on their computers, for me I always populate every sata port with hard drives to get the maximum capacity out of it. If the hard drive make and the size of the hard drive were all different, you wouldn't have to do this. You could physically open your computer, and find the boot hard drive by simply knowing the hard drive brand or capacity of the hard drive. In my case, I can't do that, because all the hard drives are Western Digital Blue 1 TB hdds. You can use this method on basically any computer to find the boot drive.
You want to be able to remove the boot drive, because the drive might be bad, or the operating system is corrupt due to a failing hard drive. More than likely hard drives with operating systems do fail from time to time, because that is the most used hard drive. Windows is constantly updating to your boot drive, and it is constantly spinning. This wears it out over time, and it happens a lot with mechanical hard drives. For SSDs, it might not be common if you just use your hard drive to boot from with your Operating System. SSDs can be read over and over again, and they will never wear out. The only times they do get worn out is if you constantly write and erase data from them.
Asus P8Z77-V_LX Motherboard Manual Link
[ Ссылка ]
Procedure
1. Press F2 repeatedly to get into the bios.
2. Go to Advanced.
3. Go to Boot.
4. Go to Boot Option Priorities.
5. Select Boot Option 2 (This is where the hard drive boot option is at) or Select Hard Drive BBS Priorities.
6. Look for the first boot device. Write down the hard drive name.
7. Go back to advanced and sata.
8. Look for the hard drive you wrote down and match it to the sata drive port.
9. Write down the sata drive port.
10. Exit the bios by pressing the "ESC" key. Don't save anything.
11. Download the motherboard manual from Asus's website.
[ Ссылка ]
12. Open the motherboard manual on your computer, and click on Motherboard Overviews located on the left of the screen.
13. Magnify the image to get a better view of the motherboard diagram, and locate the port you wrote down earlier on your motherboard diagram.
