lian lii galahad aio 120mm max fan speed no rgb

hi there so i do fifo 2 weeks on 1 week off roster i was off work for 2 weeks my pc was working perfectly fine prior and now i come back and the aio is at max fan speed with no rgb i took the case apart and re seated all headers and the usb controller and sata cables so now it has to be a software issue i believe anyway if someone could please lend a hand iv uninstalled l connect 3 like 50 times and even uninstalled the device l connect only picks up the case fans but nothing on the aio the lcd screen still works and the pump still works just cant customize anything