: Ensure the USB cable is securely plugged in. If the drive inside the enclosure is a 3.5-inch desktop drive, ensure the external power adapter is connected, as USB ports alone often cannot power these larger drives [0.32, 0.36].
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For adapters using the ASIX chipset, official firmware and driver updates can be found at Plugable's Knowledge Base Common Fixes The technical archives at MinusZeroDegrees : Ensure the USB cable is securely plugged in