The USB port may be dead or the battery is completely drained.
Extraction alone doesn't fix detection. You must manually install the driver using the .inf file you just unzipped.
Refers to the action of forcing your operating system to recognize the hardware. Detection involves reading the USB descriptors and assigning a driver.
If you have downloaded a backup from an old forum, the file may be in your Downloads folder. Right-click the file and select Properties. A healthy devicesv3.zip should be between 1 MB and 5 MB. Anything smaller is corrupt.
Philips GoGear devices require USB 2.0 ports. They will not detect correctly via USB 3.0 (blue ports) or USB-C hubs. Insert the device into a black USB port directly on your motherboard at the back of the PC.
If you use Linux, detection is often easier without the zip file:
On macOS:
This is critical. Do not double-click devicesv3.zip to open it like a normal ZIP. Windows’ built-in extractor may strip the digital signatures required for legacy detection.