Explain this Plz (REFRESH RATE PROBLEM)

ahmed73x

Honorable
May 1, 2013
15
0
10,510
Hello i have a HD7970 + smbx2331 Samsung led display....In the catalyst control center, under Properties (digital flat-panel) tab it shows my display has maximum reported refresh rate of 75 hz , where as when i check it in my display's properties it shows maximum 60 hertz?...why is there a difference bw two values? ...heres a pic

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ahmed73x

Honorable
May 1, 2013
15
0
10,510
never mind i got it by clicking "show all modes" in my graphic cards properties....it shows if i lower down my resolution to 1400 something..only then will i be able to get 75 hz thanks anyway