Difference between revisions of "Backlight"

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(This article summarize all possible method to adjust backlight)
 
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==Introduction==
 
==Introduction==
 
Actually there are many ways to adjust the backlight of laptop screen. Sometimes only some of them are available on some kinds of the laptop. This article tries to summarize all possible ways to adjust the backlight.
 
Actually there are many ways to adjust the backlight of laptop screen. Sometimes only some of them are available on some kinds of the laptop. This article tries to summarize all possible ways to adjust the backlight.
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==Adjustment==
 
===setpci method===
 
===setpci method===
 
It is possible to set the register of the graphic card to adjust the backlight
 
It is possible to set the register of the graphic card to adjust the backlight

Revision as of 15:10, 15 May 2011

Introduction

Actually there are many ways to adjust the backlight of laptop screen. Sometimes only some of them are available on some kinds of the laptop. This article tries to summarize all possible ways to adjust the backlight.

Adjustment

setpci method

It is possible to set the register of the graphic card to adjust the backlight

setpci -s 00:02.0 F4.B=0

ACPI method

It is possible to adjust the laptop by apci

xbacklight method

You also could adjust the backlight through the xorg-server command.

xbacklight