mrgstiffler Posted January 24, 2010 Share Posted January 24, 2010 I have dual monitors hooked up and working properly, but I can't change the refresh rate of one of them. It's just locked at 60Hz. Anyone know how I can unlocked it to control it manually? Link to comment https://www.insanelymac.com/forum/topic/208820-cant-change-refresh-rate-of-monitor/ Share on other sites More sharing options...
Superwuppy Posted February 4, 2010 Share Posted February 4, 2010 Same problem here have a pci-express x16 Nvidia GeForce 7950GT 512 efi knows only Nvidia GeForce 7900gt 512 = NOT the same Link to comment https://www.insanelymac.com/forum/topic/208820-cant-change-refresh-rate-of-monitor/#findComment-1403850 Share on other sites More sharing options...
ridgeline Posted February 5, 2010 Share Posted February 5, 2010 How are you connected VGA or DVI or HDMI to that monitor if it is a DVI/HDMI it is working purely digital and sees the firmware and locks it at 60hz because a lot of LCDs only go that high Link to comment https://www.insanelymac.com/forum/topic/208820-cant-change-refresh-rate-of-monitor/#findComment-1404477 Share on other sites More sharing options...
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