![[H]ard|Forum](/styles/hardforum/xenforo/logo_dark.png){kind=logo}
Can you tell me if I check the two options in the ATI drivers with the Reduce DVI frequency on high resolution display and just the other above Alternater DVI operational mode ? I got a 23" 120hz , resolution 1920 x 1080. What is the difference if you check or not ?
Last edited: