I've used Kubuntu for years on my iMac. I always add "acpi_backlight=vendor" to /etc/default/grub to enable screen brightness adjustments. This has always worked until the 23.04 release where it no longer works. Please could you advise?
- Please do not use the CODE tag when pasting content that contains formatting (colored, bold, underline, italic, etc).
The CODE tag displays all content as plain text, including the formatting tags, making it difficult to read.
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