Overclocking a Hisense 4K TV from 60Hz to 75Hz or more is not recommended, as it may cause issues such as frame skipping, black screens, or other problems.
However, if you still want to try, you can follow these steps:
- Check your TV’s specifications: Make sure your TV has HDMI 2.1, as HDMI 2.0 only supports up to 4K 60Hz.
- Use CRU: Connect your TV to your computer and use CRU (Custom Resolution Utility) to try setting the refresh rate to 75Hz or more.
- Test the overclocking: After setting the refresh rate, test the TV to see if it’s working properly. If you notice any issues like frame skipping, black screens, or other problems, it’s best to revert back to the default settings.
Please note that overclocking your TV may void its warranty and can cause damage to the device.
It’s always recommended to consult the manufacturer or a professional before attempting any overclocking.
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References:
- https://www.overclock.net/threads/overclocking-the-tv-past-its-default-59-9hz-refresh-rate-causes-massive-stutter-lag-in-games.1614192/
- https://www.youtube.com/watch?v=zmcBczZfKq4
- https://linustechtips.com/topic/792754-overclocked-monitor-to-75-fps-but-still-runs-at-60-fps/