I have been spending the past 4 days trying to sort one of my Pimax 8k X. I have not used it for the past 4 months. Five days ago I connected it and it was working fine, however I then made the mistake to update the Pitools and afterwards it automatically updated the firmware to 299 which made the right panel stop working and the left panel to go snowy grey and turn on and off. I then flashed the headset, however any version of 299 gives me the same issue or a yellow led (wrong firmware issue). If I revert to 294, 295, 296 only the left panel works, however I could never get the right panel to ever turn on again. I have two Pimax 8kX and 2 older 5K (P2 and P3). I interchanged the cables to no avail. I then tried using the other 8KX on the other computer that had an old Pitool version installed and it works fine. When the second headset automatically updated the led turned yellow. However with this second headset I easily managed to revert it to 296 without issues and works fine now. I tried so far PiTool 271, 273, 275, 277 and the 279 beta that just got announced today to try and fix the problematic 8KX headset (with the right panel turned off), however nothing works. I tried all the 299 firmware versions that I could find in this forum’s archive, the 296, 295, 294 and another 296 version that Heliosurge was very kind to provide, however I cannot seem to get it to work. For the past 5 days I spent more than 30 hours on this and I feel like screaming in a pillow. Is there anything I am missing? Is the right panel gone for good? I also got the USB not recognised error (the guillemot conflict). I followed the steps that usually fix that, however it does not seem to help. Also even with that error, if I then connect the second headset then that one works perfectly fine. I tried all the usb slots on both computer and also a powered usb extender. I would create a ticket, however I purchased both headsets second hand. The one working fine I purchased in Oct 2020 and the one that now has the right panel issue I purchased in Nov 2021 so I doubt any of them have the revised hardware from Pimax. Anyway, none of the PCs have AMD cards on them (RTX3090 FE). Any help would be greatly appreciated.