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How to change monitor refresh rate (ATI Radeon HD 6450) on Ubuntu 12.04?

rated 0 times [ 0] [ 0] / answers: 1 / hits: 1428 / 2 Years ago, sun, september 4, 2022, 10:11:58

I want to change refresh rate from 60Hz to 75Hz, but xrandr shows that this card
does not support 75Hz refresh rate. On Windows this not work too. Can somebody help me?

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ndeecru

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answered 2 Years ago erranbe · Accepted Answer

Did you installed the driver. After installing driver in both if you can't change the refresh rate. That means the device doesn't support it. It is a hardware limitation. Noone can do anything.