![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
![Got this screen when I booted up my PC after moving into my new place. Do I need to replace a fan? How do I find out which part to get? Also Got this screen when I booted up my PC after moving into my new place. Do I need to replace a fan? How do I find out which part to get? Also](https://i.redd.it/e42onwfccoy91.jpg)
Got this screen when I booted up my PC after moving into my new place. Do I need to replace a fan? How do I find out which part to get? Also
![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)