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Adjust Every Monitor from Command Line

The --All argument targets every monitor when combined with a supported brightness command.

Quick answer: The --All argument targets every monitor when combined with a supported brightness command.

Step-by-step instructions

  1. Launch Twinkle Tray.
  2. Open Terminal.
  3. Test a small brightness change with --All --Offset=-5.
  4. Check the result on each display.

Why this matters

These preferences are applied within the running Windows application. A setting can look different depending on the current version and whether Windows 10 or Windows 11 is in use.

The --All argument targets every monitor when combined with a supported brightness command. This procedure is relevant to twinkle tray --all on Windows 10 or Windows 11. Avoid assuming that settings on one display will apply identically to another model.

How to verify the result

Close and reopen the settings panel or restart Twinkle Tray to confirm the change persists after the next session.

Limitations: Unresponsive monitors may ignore DDC/CI even when listed.

Frequently asked questions

Adjust Every Monitor from Command Line?

The --All argument targets every monitor when combined with a supported brightness command.

What should I check if it does not work?

Unresponsive monitors may ignore DDC/CI even when listed.

How can I verify the change?

Close and reopen the settings panel or restart Twinkle Tray to confirm the change persists after the next session.

Related guides

Twinkle Tray for Windows

Use a trusted source and verify the program before installation. FileDrop is supplied by the site operator.

Technical references: project repository and README · monitor detection notes. Information checked against developer documentation.