I haven't seen any threads mentioning this, and sorry, but I don't know what may be causing it. It's unusual though for two monitors to fail this way. Have you been in touch with your supplier and asked them what the reason might be. j.
Best computer security tips
This fantastic short film is packed with hidden TV and film references
Best external graphics cards (eGPUs) for Mac
Test : les écouteurs Bluetooth Soundcore Spirit X d’Anker