Diagnostic report for HP RP9 CPU fan errors in retail environments. Safe handling procedures and troubleshooting steps are detailed. No internal access.
Investigate recent power events as a possible trigger for sensor errors.
Check for related error messages to help identify the underlying cause.
Determine if new installations or updates might have triggered the error.
System displays a "CPU Fan Error" message during operation. The CPU fan is reportedly running at full speed. The system may exhibit performance issues or unexpected shutdowns.
Electrostatic discharge (ESD) can damage electronic components. Use a static wrist strap when handling the system. Ensure the system is unplugged during cleaning. Do not introduce liquids into the device. Risk of data loss. Safely back up all important data before servicing. **DO NOT OPEN THE DEVICE CASING** to prevent damage to internal tamper-evident mechanisms which would void the device's secure certification. Avoid areas with high levels of humidity or static electricity.
A sudden power surge can sometimes cause temporary sensor errors. After safely unplugging the system for 60 seconds, press and hold the power button for 30 seconds to fully discharge any residual electricity. Then, reconnect the power cord and attempt to boot the system. This can reset the sensor and potentially clear the error.