Why is my GMBACK HD-6900 controller not turning on or charging, even after a reset?
Based on your description, the controller is showing signs of life when specific buttons are pressed, but it is failing to enter a standard…
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GMBACK HD-6900 Wireless Game Controller User Manual — questions & answers
Read product questions and troubleshooting answers linked to GMBACK HD-6900 Wireless Game Controller User Manual.
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Answered questions
How do I fix the vertical direction swap on the GMBACK HD-6900 controller while playing FIFA 23?
If your vertical directions are swapped (inverted) on the GMBACK HD-6900 while playing FIFA 23, this is often caused by the controller being recognized…