Symptoms: Fable Hub is not detected by the computer/software. The issue can be confirmed by inspecting the status window in the PC software.

Possible issues and suggested solutions:
You are running Fable Blockly on an iPad or Chromebook – check the “My device is unable to find a Fable Hub when searching (Fable Face, Fable Blockly on Chromebook / iPad)” topic in the FAQ.
Hub is frozen – plug out the Hub from the USB port and plug it back in.
Port is frozen – restart the computer.
Hub disabled by operating system – check the “How to enable a disabled Hub?” topic in the FAQ.
Operating system is not supported – check list of supported OS.
Driver not installed (Windows 7 & 8) – install driver and inspect Device Manager to verify. See How to install the Fable Hub driver? (Windows 7 & 8).
USB Cable broken – replace cable.
Hub is broken – contact us at support@shaperobotics.com for assistance.