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The headphones are connected to power via the USB cable and is not working.
Check your usb cable to make sure both ends are connected properly. Try unplugging your cable at both ends if both seem to be inserted properly.
Try using another usb cable. If it works, then your USB cable was faulty and you need a replacement cable.
If you’re not getting power, make sure your supply’s USB port is working properly and supplying power. If it is, and it still isn’t turning on, then your USB port may need servicing.
Open your device and see if there are any bad solder joints on the circuit board where the USB port is. If the solder appears cracked or broken, carefully try reflowing solder on each terminal, or heat the solder up until it’s reached it’s reached its melting point and has liquified, and allow to cool down.
The headset is connected and powered up, but there is no sound.
The cable you are using may be loose or misadjusted. Check all connections to ensure that they are properly connected.
Check your audio cable for any damage and try using another cable to see if your cable is bad.
Check your system’s audio settings to make sure it’s outputting audio to your headphone jack. Also check the volume settings to make sure it’s not toggled off or low.
If your device is still not working after checking your device’s cables and audio settings, it may be an internal issue. Disassemble your device and check for any loose or broken solder joints that may be causing the issue.
If your device seems to be in good standing and powers on, the speakers may be blown or bad.
The headphones are connected and powered, but the sound quality is poor.
Check if your audio cable is properly plugged in and both ends are making a good connection. If it’s connected properly and is still poor sound quality, try unplugging your cable and plugging it back in.
If your audio is clipping or is of poor quality, check your system’s settings to make sure your volume is at a good level and any settings that may affect the audio quality output of your device.
If your cable is in working condition, and your audio quality is still poor, the audio jack may be bad. Open your device and check if the solder joints are okay, and if they are then you can try replacing the jack.
Disassemble your device and see if there are any poor solder connections on your speakers or wires that feed from the motherboard to them. Inspect the wires themselves for cracking or bare wire, and if so then they need to be replaced. Reflow the solder at both ends of the wire to ensure a proper connection between the motherboard and speakers.
Check to make sure your system is feeding the microphone audio from your device. If it’s not, check all of your device’s connections and change your system settings to the correct microphone input and sensitivity level.
If your cable is in working condition, and your microphone is still not working, the audio jack may be bad. Open your device and check if the solder joints are okay, and if they are then you can try replacing the jack.
Your microphone piece itself may be the problem. Check to ensure it’s solder joints are good, and if so, you may need to purchase another microphone end and replace it.
