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Weird monitor bugs people sent me in the last 5 years (notes.alinpanaitiu.com)

524 points by alin23 · 1474 days ago · 227 comments on HN

Article summary

The article discusses various monitor bugs encountered by the developer of Lunar, a macOS app for controlling external monitors. These bugs include issues such as swapped monitor positions, monochrome HDR, blacking out, and unresponsive mute commands. The developer provides workarounds and explanations for these bugs, often related to hardware or firmware issues. The article highlights the complexities of working with external hardware and the challenges of troubleshooting and resolving these issues.

Main themes

  • Monitor bugs and workarounds
  • Hardware and firmware issues
  • DDC commands and control
  • Electromagnetic interference
  • Customer support and expectations
  • Developer transparency and communication
  • Alternative window managers and solutions

What commenters say

  • Some monitors have similar internal controllers, and open-source firmware could help fix bugs.
  • Waiting for a few minutes after unplugging the power cable can help reset a malfunctioning monitor.
  • Unplugging and replugging the power cable may not always be enough to reset a monitor, and additional steps like removing display input cables may be necessary.
  • The use of DDC commands can sometimes cause monitors to lock up or malfunction, leading some users to stop using DDC control altogether.
  • Electromagnetic interference from devices like mobile phones can cause monitors to black out or malfunction.
  • Using alternative window managers like Sway can help resolve issues with monitor layout and identification.
  • Developers should be prepared to deal with demanding customers and set boundaries to maintain their sanity.
  • Some users appreciate the transparency and explanations provided by developers, which can help build trust and understanding.