BIS-6330A Digital Signage Player15connecting finger should be aligned with the socket bulging mark.4. Finally press the memory bank into the slot softly until the memory bank fit into the slot.3.3 Install HDDSystem provides 1x 2.5” SATA HDD. Please follow the steps below to install the HDD:1.Power off2.Use screw driver to detach the drive bay and unscrew the screws on the front panel.3.Detach the 2.5” HDD bay4.Select 2.5” Hard Disk and fix the Hard disk on the Drive bay5.Install the HDD bay back into the chassis.3.4 Product Dimension Diagram