How to reduce the screen backlight?- Community

How to reduce the screen backlight?

Community Discussion 581 views · 3 replies ·

torquenstain

deepin

2015-12-07 13:04

Author

Hi, I've just istalled deepin first time and I have problem with brightness. When I change brightness it makes white page grey and colors are faded instead makes screen backlight lower. For example the cursor is still bright.

How can I fix this?

Thanks.

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torquenstain

deepin

2015-12-07 13:21

I found the solution

sudo tee /sys/class/backlight/radeon_bl0/brightness <<< 50

Copy the Code

works for me

But is it possible to make the "brightness settings" or fn keys work properly?

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mikaere66

deepin

2015-12-25 06:03

Some computers, like mine need one or both of the options in grub: acpi_osi=Linux acpi_backlight=vendor
e.g. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"

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torquenstain

deepin

2016-07-06 03:50

I don't know how it works, but I had fresh install of Windows 10 on my computer and when I installed all drivers on Windows it started working normally on Deepin too

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