A “System Fan Failure, System Fan 1 Failure, or Error: CPU Fan Failed” message and boot-up screen means that a computer is having issues connecting to or monitoring a system fan. In most cases the system fan failure will restrict or disallow access to the computer system and Operating System’s desktop and computer users will get stuck on the system fan failure screen upon booting their computers.
The system fan failure message is common on a variety of computers that run the Microsoft Windows Operating System, including Dell and Hewlett Packard (HP). The system fan failure message can occur for a variety of reasons, some are minimal and some require for the affected system fan to be replaced.
System Fan 1 Failure
Strike the F1 key to continue. F2 to run the setup utility.
ERROR: CPU Fan Has Failed! PC will automatically power down in a few seconds. Service the PC immediately to prevent damage to the PC.
This page contains instructions to fix “System Fan Failure, System Fan 1 Failure, or Error: CPU Fan Failed” messages on multiple computer systems, including Dell and Hewlett Packard (HP).
How to fix “System Fan Failure”
1. Disconnect the power from your computer by unplugging your computer from an electrical current. Remove the side panel from your desktop computer using the necessary procedures for your machine.
2. Inside the machine, ensure that each system fan is correctly plugged into your motherboard. If any connections are askew make sure to unplug the system fan and plug it back in to the correct location. In either case it is recommended to unplug your system fan(s) and plug it back in to make sure that connectivity is not the cause of the system fan error. It is also recommended to remove any dust and debris from the fan (dust can cause this error. Use your finger to spin the fan to ensure that the fan is not stuck).
3. Replace your desktop’s side panel, plug in your computer, and turn the machine on. If the machine still has a system fan error please follow more steps below.
4. Disconnect the power from your computer and remove the side panel from your computer again.
5. Make a note of each cable connected to your motherboard and power supply. If necessary we recommend to take several pictures as to not forget the location.
6. Unplug all cables from the computer, remove dust and debris, and then plug the cables back into the correct locations.
7. Replace your desktop’s side panel, plug in your computer, and turn the machine on. If the machine still has a system fan error we recommend to contact the manufacturer or to replace your system fan.
Additional Suggestions & Tips
- Update your System BIOS and drivers. Search the internet for your manufacturer’s instructions and downloadable content. Do not download content from third-party websites.
- Reduce the heat in your computer.