How to install the second hard drive enclosure of ASUS UX21E series W3A

How to install the second hard drive enclosure of ASUS UX21E series W3A as follows:

ASUS UX21E-DH71

 1. Insert the hard disk into the HDD connector board IDE port.

2. Install the assembled hard drive into the 2nd HDD Cass.

3. Install two black screws on both sides of the IDE interface.

4. Install four white hard drive screws on the bottom of the bottom case and tighten them.

5. The effect after assembly.

6. Push the optical drive lock to the unlocking position and push the optical drive out at the same time, and take out the optical drive.

7. Push the second hard drive box that has been assembled previously into the host.

8. After entering the BIOS, you can see the second hard disk box.