So, we need to do a power cycle to clear its cache. Turn off the PlayStation by pressing and holding the power button on the console. After the light stops flashing, remove all of its cables for 5 minutes. Plug everything back up, and turn the PS5 on. Try reconnecting your keyboard and mouse again.
PS5 Controller on PC Troubleshooting. When the beta came out, I was playing with a new PS5 Controller and the haptics and adaptive triggers were working perfectly. The ONLY things I had done to get it working was I had it plugged into my computer w/ USB-C and I was on Windows 10. After the beta finished, I played other games with the controller K0ZuVF.