Disassemble and replacing disk in G-Drive USB

I want to change the disk in a G-Drive USB. However, this case does not open like other models I have had of external drives. I remove the screws and the front plate and find a very hard plastic, to which the logo light is attached and that underneath, between the disk and the plastic, there are a lot of cables. On the other side, the on/off switch and the connectors, it doesn’t seem that the disc can be taken out. How do I disassemble it?

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