The model name i--- Dnub-at1-236b appears to be a compact or OEM-branded peripheral (USB adapter, network dongle, or controller) rather than a mainstream consumer product. That means official driver pages may be obscure or bundled with third-party vendor sites. Proceed cautiously and prefer official or well-known vendor sources.
I-Inc monitors were manufactured by . The drivers are often cross-compatible with Hannspree monitors of the same size and generation. i--- Dnub-at1-236b- Driver Download LINK