Dahua NVR41 series

User's Manual
74
Figure 3-27
Step 4 Put the knob back after you insert the HDD to the SATA board.
Figure 3-28
3.5 CD-ROM Installation
Step 1 Open top cover and then remove the HDD bracket.
Figure 3-29
Step 2 Take off the bottom of the HDD bracket and CD-ROM bracket.