Manjaro 重新激活背光

重新激活背光

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简介

某些用户 - particularly those using laptops - are encountering a problem where the screen brightness is too dim upon replacing Microsoft Windows with a Linux distribution as their main operating system. This is because some unscrupulous hardware manufacturers have coded the BIOS to automatically disable the screen backlight if Windows is not detected running on the system. Fortunately, it is possible to fix this problem by entering a single command in the terminal.

重新激活屏幕背光

This problem can be easily fixed by ensuring that the GRUB bootloader re-activates the backlight. To do this, first open up your terminal, and enter the following command:

user $ sudo sed "s/\(GRUB_CMDLINE_LINUX=\)\"\"/\1\"acpi_osi=Linux acpi_backlight=vendor\"/" /etc/default/grub -i COPY TO CLIPBOARD


You will also have to enter your password to continue. Now enter the second and final command:

user $ sudo update-grub COPY TO CLIPBOARD


Once complete, close the terminal and re-boot your system for the changes to take permanent effect.

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