Warning W216 - The CPU fan appears to have failed, the CPU fan is not connected correctly or the environment monitor chip is not responding.
Warning W216 - The CPU fan appears to have failed, the CPU fan is not connected correctly or the environment monitor chip is not responding.
Fix: Power down your system immediately. Open the case and check that the CPU fan is working and the heat sink is not unusually hot. Make sure the CPU has good all-round ventilation.
For more information, please see the (FAQ).