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[GH-ISSUE #1437] M2 Mac mini, the screen becomes blurred and indistinct when connected via HDMI #814

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opened 2026-05-05 06:44:30 -06:00 by gitea-mirror · 4 comments

gitea-mirror commented

2026-05-05 06:44:30 -06:00

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Originally created by @nanqic on GitHub (Sep 26, 2023).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/1437

Before opening the issue, have you...?

Searched for existing issues
Looked through the wiki
Updated MonitorControl to the latest version (if applicable)

Describe the bug

M2 Mac mini ，the screen becomes blurred and indistinct, My monitor is HP 24w, which support DDC/CI.

Steps to reproduce

This bug happens twice:

I turn the light max use mouse,
I up/down light use keyboard.

Expected behavior

Hope this won't happen, I restart mac twice.

Anything else?

Thanks for every developer!

Environment Information (please complete the following information)

- macOS version: latest(13.5.2 (22G91))
- Mac model: Mac mini 2023
- MonitorControl version: latest
- Monitor(s): HP 24w
- Apple Silicon/M1 (yes or no): yes

Originally created by @nanqic on GitHub (Sep 26, 2023). Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/1437 ### Before opening the issue, have you...? - [X] Searched for existing issues - [X] Looked through [the wiki](https://github.com/MonitorControl/MonitorControl/wiki) - [X] Updated MonitorControl to the latest version (if applicable) ### Describe the bug M2 Mac mini ，the screen becomes blurred and indistinct, My monitor is HP 24w, which support DDC/CI. ### Steps to reproduce This bug happens twice: 1. I turn the light max use mouse, 2. I up/down light use keyboard. ### Expected behavior Hope this won't happen, I restart mac twice. ### Anything else? Thanks for every developer! ### Environment Information (please complete the following information) ```markdown - macOS version: latest(13.5.2 (22G91)) - Mac model: Mac mini 2023 - MonitorControl version: latest - Monitor(s): HP 24w - Apple Silicon/M1 (yes or no): yes ```

gitea-mirror

2026-05-05 06:44:30 -06:00

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gitea-mirror commented

2026-05-05 06:44:36 -06:00

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@nanqic commented on GitHub (Sep 26, 2023):

I won't use it before the bug fix. Monitor blurred and no signal , I force restart my Mac four times.

@nanqic commented on GitHub (Sep 26, 2023): ![61695693305_ pic](https://github.com/MonitorControl/MonitorControl/assets/34978586/c5314b9d-3753-43d7-8f6e-5e2cc44c9e36) I won't use it before the bug fix. Monitor blurred and no signal , I force restart my Mac four times.

gitea-mirror commented

2026-05-05 06:44:37 -06:00

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@waydabber commented on GitHub (Sep 26, 2023):

MonitorControl does not support the HDMI port of the Intel 2018 Mini, all M1 macs and the entry level M2 Mini - as explained under Compatibility. Use the USB-C instead please! :)

@waydabber commented on GitHub (Sep 26, 2023): MonitorControl does not support the HDMI port of the Intel 2018 Mini, all M1 macs and the entry level M2 Mini - as explained under Compatibility. Use the USB-C instead please! :)

gitea-mirror commented

2026-05-05 06:44:38 -06:00

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@waydabber commented on GitHub (Sep 26, 2023):

...or for HDMI support you can use the other app, BetterDisplay instead.

@waydabber commented on GitHub (Sep 26, 2023): ...or for HDMI support you can use the other app, [BetterDisplay](https://github.com/waydabber/BetterDisplay#readme) instead.

gitea-mirror commented

2026-05-05 06:44:39 -06:00

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@nanqic commented on GitHub (Sep 26, 2023):

All right，thank you for your reply！

@nanqic commented on GitHub (Sep 26, 2023): All right，thank you for your reply！