There could be several reasons why your headphones are being ignored when plugged in:
1. Incorrect settings: Ensure that your device's audio settings are set to use the headphones as the output device.
2. Faulty headphone jack: The headphone jack might be damaged or malfunctioning, preventing the device from detecting the headphones.
3. Audio jack settings: Some devices have separate settings for the audio jack, make sure it's set to "headphones" or "audio out".
4. Conflicting devices: If multiple audio devices are connected, the device might be defaulting to a different output.
5. Driver issues: Outdated or corrupted audio drivers can cause issues with headphone detection.
6. Hardware problem: There might be a hardware issue with the headphones or the device's audio port.
Try these troubleshooting steps:
1. Check your device's audio settings
2. Try a different headphone jack or audio port
3. Restart your device
4. Update audio drivers
5. Try a different pair of headphones
If none of these steps work, consider seeking further assistance from the device manufacturer or a professional repair service.