Increasing brightness on Thinkpad t480

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behappy
Posts: 4
Joined: Mon Jan 18, 2021 12:31 am

Increasing brightness on Thinkpad t480

Post by behappy »

I installed the latest release of GhostBSD. I am using a Thinkpad t480. I noticed the screen isn't very bright. How do I adjust it? I am using the Mate desktop.

Thanks
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ericbsd
Developer
Posts: 2052
Joined: Mon Nov 19, 2012 7:54 pm

Re: Increasing brightness on Thinkpad t480

Post by ericbsd »

Does the Brightness key on your laptop works?
Vermilion
Posts: 86
Joined: Sat Jan 18, 2020 5:52 am

Re: Increasing brightness on Thinkpad t480

Post by Vermilion »

behappy wrote: Mon Jan 18, 2021 12:48 am I installed the latest release of GhostBSD. I am using a Thinkpad t480. I noticed the screen isn't very bright. How do I adjust it? I am using the Mate desktop.

Thanks
If the brightness key is not working I use

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# sudo pkg install intel-backlight

# intel_backlight XY
XY is a value from 1 to 100 percentage of the screen brightness.
Huck
Posts: 27
Joined: Mon Aug 03, 2020 10:17 am

Re: Increasing brightness on Thinkpad t480

Post by Huck »

Wow. I was having the same issue and did a search and landed in here.. and that code solved the problem. Thank you, Vermilion. I just wish my brightness buttons worked. Anyway to address that? This is an HP "Envy" laptop with traditional (American) English keyboard.

- huck
Vermilion
Posts: 86
Joined: Sat Jan 18, 2020 5:52 am

Re: Increasing brightness on Thinkpad t480

Post by Vermilion »

Does

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kldstat
show

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acpi_video
?
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