i am using a amd ryzen 9 5900x with a gt 710.I just turned on my pc and it only option of 4:3.Pls help me get it back to 16:9
I think you would need to supply any number of extra bits of information before anyone could hope to help you.
What OS are you using?
What Monitors? How are they connected?
What recent updates if any have you done?
etc.