![161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp 161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp](https://i.redd.it/ty2nt94g3z2a1.jpg)
161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp
![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
![161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp 161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp](https://preview.redd.it/161-clock-power-loss-921-front-usb-1-not-connected-922-v0-ty2nt94g3z2a1.jpg?width=640&crop=smart&auto=webp&s=9941497fb0d17fcc59e70316fc88987ee09ebec2)
161-clock power loss, 921-Front USB 1 not connected, 922-Front USB 2 not connected, 512-Rear chassis fan bot connected : r/pchelp
![Hp System | How to remove error 512 | Rear Chasis fan not detected |Hp 6000 6005 800 8100 8200 8300 - YouTube Hp System | How to remove error 512 | Rear Chasis fan not detected |Hp 6000 6005 800 8100 8200 8300 - YouTube](https://i.ytimg.com/vi/LpRcaT9ljyc/maxresdefault.jpg)