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3
HDD Installation
Important
：
Please turn off the power before you replace the HDD.
The pictures listed below for reference only.
For the first time install, please be aware that whether the HDDs have been installed.
You can refer to the Appendix for recommended HDD brand. Please use HDD of 7200rpm or
higher. Usually we do not recommend the PC HDD.
Please follow the instructions below to install hard disk.
3.1
21/21-P/21-S/31/31-P/31-S Series
1. Loosen the screws of the
upper cover and side panel.
2. Fix four screws in the HDD
(Turn just three rounds).
3.
Place the HDD in accordance with
the four holes in the bottom.
4. Turn the device upside down
and then turn the screws in
firmly.
5.
Fix the HDD firmly
.
6. Connect the HDD cable and
power cable.
7. Put the cover in accordance
with the clip and then place the
upper cover back.
8. Secure the screws in the
rear panel and the side panel.
