The Hub won't power on
Connect the power cable to the hub
✅ Is the cable connected to the base unit?
✅ Is the USB adapter plugged into an outlet?
You will need to provide your own USB power adapter.
Please use a USB adapter that supports Power Delivery (PD).
Recommended USB Adapter Examples
Check your USB power adapter
To use GRAN EYE, you need a USB power adapter that can supply sufficient power.
✅ A PD-compatible USB power adapter
Use an adapter that supports fast charging via “PD (Power Delivery)”.
An adapter that shows multiple output ratings
The product description mentions “PD-supported” or “fast charging”
✅ A USB Type‑C adapter
GRAN EYE is powered using a USB C‑to‑C cable, so choose an adapter with a Type‑C port.
Avoid Type‑A adapters, as they may not supply enough power.
Connect the power cable to the hub
✅ Is the cable connected to the base unit?
✅ Is the USB adapter plugged into an outlet?
You will need to provide your own USB power adapter.
Please use a USB adapter that supports Power Delivery (PD).
Recommended USB Adapter Examples
Check your USB power adapter
To use GRAN EYE, you need a USB power adapter that can supply sufficient power.
✅ A PD-compatible USB power adapter
Use an adapter that supports fast charging via “PD (Power Delivery)”.
An adapter that shows multiple output ratings
The product description mentions “PD-supported” or “fast charging”
✅ A USB Type‑C adapter
GRAN EYE is powered using a USB C‑to‑C cable, so choose an adapter with a Type‑C port.
Avoid Type‑A adapters, as they may not supply enough power.