There is no fan on the hd but yet we get the hd fan failure error and system fan at start.
Dell optiplex cpu fan error.
New optiplex 390 fan failure message we believe it is a sensor error.
Dell optiplex 755 removing cpu fan i would like to suggest you please don t go yourself to check that because it may harm the system if any wrong thing happens.
Turn off the pc.
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All of the fans inside the system are running normally.
This forum is mainly user to user with occasional moderation or additional knowledge by a rockstar or dell employee.
It does not seem like the motherboard is sensing the fan s properly.
Check the air vents on the pc for dust or debris.
If you have an optiplex stating its model number and size speeds troubleshooting.
Previous rear fan failure press f1 to continue.
Better you go to the dell service center with your purchase bill.
Air vents may be located in various places depending on the pc model.
Refer to the user manual of your dell pc.
We ve swapped the cpu fan and the front case fan from other working optiplex 3010 s and the message still appears.
Cleaning the air vents on your dell pc.