have you to update the software on your Samsung monitor?
what I would suggest however before rushing is to look into whether the update fixes or breaks thing. I know sounds silly but I have seen samsung updates mess up older g9 49" odessy and given its Samsung I bet our g9 are not exempt. My advice is if everything on your monitor works perfect, like no dead pixels, no banding, no text distortions, no weird sounds and all ports work then just keep it rather than playing the lottery by constantly replacing it you could end up with something with more annoying problem, like dead pixels apparently that they accept quite a few before replacing your panel.
right now mine has some weird issue with being woken up from sleep, most times it works perfect but once a week or two it does not turn on when computer is on and I have to unplug it to make it work. I am tolerate it atm but if it get worse like everyday I will ask samsung for a repair if I can't fix it not that I have been trying to. If its outside 30 days from purchase they apparently do onsite repair or try to.