• Check whether the Ethernet port is plugged and whether the Ethernet status light is on or check the WIFI  has been successfully connected.
• Ensure that your miner and your device(phone/computer) are connected to the same network and frequency band.
• Make sure that the miner network setting DHCP is turned on. If you do not confirm, press the "Reset" button for about 10 seconds to restore the factory settings.

Please follow the below steps to check the miner issue:

1. Check if your miner and your phone or computer are on the same network and frequency band.
2. Check your network. 1) If you use an Ethernet cable, please change the cable or test that the cable is working fine. 2) We suggest changing the network or testing your network using a different device.
3. Make sure your router won’t prohibit new IP addresses.
4. Make sure there is no antivirus software blocking your visit to findmygoldshellminer.
5. Perform a factory reset: press the reset button for about 10 seconds. (During "reset", the lights near the IP button will flash together.)

If the issue persists after following the above steps, please contact us.

Symptom 1: After the software progress bar completes the upgrade and the miner restarts, but the miner remains in the original version.

Solution: Continue the upgrade and observe if it can be upgraded successfully. If it continues to fail, please contact us.

Symptom 2: The miner restarts during the upgrade process, causing the upgrade to fail, and the miner becomes unresponsive and "bricked".

Solution: Please contact us.

• Use Benchmark to test the miner.
• Check if the User name is valid (Please refer to dxpool mining tutorial for reference);
• Try another mining pool.

If the issue still persists after following the above steps, please contact us.

• Restart the miner.
• Make sure there is no other things blocking the air outlet and inlet.
• Make sure the environment is cool, dry and ventilated.
• If you have more than one miner, you can put this miner in a detached room if available.
• Check if fans are properly installed and ensure that they are installed in the correct orientation.

If the issue still persists after following the above steps, please contact us.

• If you have never encountered high hardware error with this miner before, please check your firmware version. If the version is not the latest, please update it. Upgrade Miner Firmware
• In case the firmware was upgraded and a high hardware error appears, please downgrade it back to the original version. You can click here to get the previous miner firmware.
• You can switch to another power supply if you have one to test.
• Make sure the operating temperature of your miner's environment is appropriate. (The operating environment temperature for the miner should be between 0-35℃.)

If the issue still persists after following the above steps, please contact us.

Network delay is a major cause of the high reject rate.

You may try the following steps to resolve this:

1.  Restart your miner and keep monitoring it;
2.  Check your network connection, switch to a different network, or replace the network cable.
3.  Switch to a different pool and make sure the pool matches the coin you are mining.

Try to solve the high reject rate issue first by following the steps below:

1.  Restart your miner and keep monitoring it;
2.  Check your network connection, switch to a different network, or replace the network cable.
3.  Switch to a different pool and make sure the pool matches the coin you are mining.

Regarding the high HW error:

• If you have never encountered high hardware error with this miner before, please check your firmware version. If the version is not the latest, please update it.
• In case the firmware was upgraded and a high hardware error appears, please downgrade it back to the original version. You can click here to get the previous miner firmware.
• You can switch to another power supply if you have one to test.
• Make sure the operating temperature of your miner's environment is appropriate. (The operating environment temperature for the miner should be between 0-35℃.)

If the issue still persists after following the above steps, please contact us.

1. You can try to downgrade to its original version. Click here to get the history versions.
2. If the downgrade doesn't work, please contact us to get this resolved.