FG

Backlight control in Eee PC 1015PEM

Fresh3 days ago
Mar 15, 20261172 views
Confidence Score0%
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Problem

When I boot my Linux with , I can control backlight brightness from almost_zero to moderately_bright. (Actually, the maximum revolves around the brightness level that is set before Linux starts) When I boot my Linux with , I can control brigtness from middle to maximum_bright How to be able to cont…

Error Output

very_dim:   dim:   normal:  bright:  very_bright:
acpi_backlight:                          *************************
only acpi_osi:   ***************…

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1 Fix

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Fix for: Backlight control in Eee PC 1015PEM

Low Risk

I've struggled with this problem quite a bit but from the kernel perspective. Basically, it's caused by the Linux kernel and the BIOS not communicating properly via ACPI. In other words, a the netbook has a buggy ACPI implementation, and the kernel …

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Environment