![Question - HP Z400 - How to remove rear chassis fan and get round "513-Rear Chassis Fan Not Detected" error ? | Tom's Hardware Forum Question - HP Z400 - How to remove rear chassis fan and get round "513-Rear Chassis Fan Not Detected" error ? | Tom's Hardware Forum](https://i.imgur.com/29QSCtz.jpg)
Question - HP Z400 - How to remove rear chassis fan and get round "513-Rear Chassis Fan Not Detected" error ? | Tom's Hardware Forum
![Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971 Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971](https://support.hp.com/doc-images/427/c00532081.jpg)
Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971
![Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971 Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971](https://support.hp.com/doc-images/515/c00378429.jpg)
Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971
![Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971 Solved: get error cpu fan not detected F1 boot ..but fan running fin... - HP Support Community - 6697971](https://support.hp.com/doc-images/211/c00378281.jpg)