Purchased a Samsung Q90T 75” specifically for gaming. At random intervals the tv randomly flickers black and turns game mode off then on. I’ve tried a whole host of setting changes to see if I can work around the issue but no luck so far. HDMI 2.1 cable is brand new so this is not to blame. This appears to be a software fault dating back to 2019 so why is it not fixed? Any help appreciated. Technician is booked to try ‘repair’ this fault, but failing that il be returning for a refund and jump ship to the LG CX