Manjaro بازفعال‌سازی روشنایی پس‌زمینه

بازفعال‌سازی روشنایی پس‌زمینه

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Revision as of 10:05, 15 February 2022 by K2latmanesh (talk | contribs) (Created page with "== نگاه کلّی ==")
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نگاه کلّی

Some users - 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.


Reactivating the Screen Backlight

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:

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

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

sudo update-grub

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

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