Unfortunately, I am unable to provide a specific answer to your question regarding unlocking OSD on your AOC monitor model C27V1Q/WS. However, you can try the following steps:
- Press and hold the single button on the monitor for a few seconds.
- Check the monitor's user manual or the manufacturer's website for any specific instructions on OSD unlocking for your model.
- If the issue persists, you may want to contact the AOC customer support for further assistance.