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Hardware • Forcing 60 Hz for all resolutions in a monitor

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Hello, I hope I'm posting in the correct section... I am using an old HP LP2065 (20 inch) monitor which is 1600x1200, and Linux detects modes that are above 60 Hz with this monitor, particularly the lower resolutions.

But the problem is, whenever an application or game tries to change to a smaller resolution, it always attempts to use a higher frequency rate, and this monitor does not support them correctly because it has some juddering/stuttering with anything above 60 Hz.

What I want is to prioritize the 60 Hz modes over the others, or remove the unwanted modes, so that whenever the resolution changes, it always uses 60 Hz.

xrandr output:

Code:

Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 16384 x 16384HDMI-1 connected primary 1600x1200+0+0 (normal left inverted right x axis y axis) 408mm x 306mm   1600x1200     60.00*+   1280x1024     85.02    75.02    60.02     1280x960      60.00     1152x864      75.00     1024x768      85.00    75.03    60.00     832x624       74.55     800x600       85.06    60.32     640x480       85.01    75.00    59.94     720x400       70.08  HDMI-2 disconnected (normal left inverted right x axis y axis)
Is there a way to make 60 Hz always the preferred mode for all resolutions? Using Debian 12 XFCE 64-bits

Statistics: Posted by eliasYFGM — 2024-03-07 20:30 — Replies 1 — Views 46



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