How to avoid flicker on your existing monitor
So, what if I already own one or more monitors, you probably ask yourself by now. You can actually do something to the PWM issue. Start by setting the brightness setting to 100 % and perform the camera test. If you see no lines PWM is not used at maximum brightness. If you still see lines at 100 % brightness you cannot use the method described below.
You monitor is probably too bright at 100 % brightness but you can “cheat” it and have it run at lower brightness without changing anything in the actual monitor menus. Instead, you into your graphic card settings menu and proceed to the advanced options (typically be right clicking on your desktop and selecting screen settings). In the advanced settings menu you can often lower the brightness level, telling to monitor to display less intense colors. In practice the monitor translates this into a procedure where it uses the liquid crystals in the panel to block more backlight. However, it has a negative effect on contrast so is not a long-term solution.
