![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
![I am stumped, purchased a HP Z820 from a local seller and when powering it on I got these warnings, I am not worried about the fan warning. : r/homelab I am stumped, purchased a HP Z820 from a local seller and when powering it on I got these warnings, I am not worried about the fan warning. : r/homelab](https://preview.redd.it/rshh0vjua8o41.jpg?auto=webp&s=75aa35b2d4469e058a764fcfc04328f26242f7fd)
I am stumped, purchased a HP Z820 from a local seller and when powering it on I got these warnings, I am not worried about the fan warning. : r/homelab
![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)