Custom Resolution Utility (CRU)
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05-04-2018, 02:35 PM
(Last edited: 05-04-2018, 07:53 PM by Dwedit)
Post: #3484
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RE: Custom Resolution Utility (CRU)
Hello, I'd like to change my refresh rate from 60Hz to 60.098Hz to match the Super Nintendo.
I am having trouble doing this, seems that whatever I do, I'm still stuck on the default refresh rate. It's a laptop screen, not a separate monitor. Computer model: Dell Inspiron 15 7559 OS: Windows 10 Using Intel video, Windows called the monitor "Generic Pnp Monitor" The default timing I'm seeing is this: 1920x1080 front porch: 48px, 3 lines sync width: 32px, 6 lines back porch: 142px, 11 lines Refresh rate: 60.011Hz Pixel clock: 141.40 MHz If I change only the Refresh Rate, it becomes 60.101Hz actual, and the pixel clock becomes 141.61Mhz. If I add one pixel to the back porch (142 =>143), it says it would do 60.098Hz at 141.67 MHz. But when I actually hit OK, then run restart64, then measure the actual framerate, it's still at around 60Hz rather than near 60.1Hz. Edit: vsynctester.com reports 60.098Hz, but when I run a fullscreen OpenGL program that measures my framerate, I see a value oscillating between 59.999 and 60.002 Hz. edit: When I query DXGI video modes, I don't see the custom refresh rate in there. final edit: Rebooting the computer fixes everything. All the custom refresh rates work fine afterwards, I just can't have one custom refresh rate too close to another one. One ends up covering up the other if I have both 60.011 and 60.098 at the same time. |
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