Ubuntu10.04 Linux Command for adjusting the desktop screen brightness

The screen of my fujiitsus7211 notebook is shown in Ubuntu10.04 as bright as it is under Vista, and I always thought it was a driver problem. Later, I found from my blog that the brightness can be adjusted. 2 methods: 1. Adjust the screen contrast parameter gamma value & gt; xgamma-gamma.75 if not ideal can try to change. 75 to 0.5 ~ Test between 1.0. After I use 1.0, I feel that the brightness is the same as that under Vista. This command does not require administrator privileges. 2. Tune

My Fujitsu S7211 laptop screen is not as bright as Ubuntu 10.04 in Vista, and I always thought it was a driver problem. Later, I found from my blog that the brightness can be adjusted.

Two methods:
1. Adjust the gamma value of the screen contrast Parameter
> Xgamma-gamma. 75

If not, try to change. 75 to 0.5 ~ Test between 1.0. After I use 1.0, I feel that the brightness is the same as that under Vista.
This command does not require administrator privileges.

2. Adjust the backlight brightness of the current screen pci
> Sudo setpci-s 00:02. 0 F4. B = xx

Xx indicates the screen brightness in hexadecimal notation. The value ranges from 0 )~ FF ).
. 0 is your monitor VGA device code.

Run the lspci command to check your VGA device code:

> Lspci
00:00. 0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03)
. 0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03)
. 1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03)
00: 1a. 0 USB Controller: Intel Corporation 82801 H (ICH8 Family) usb uhci Controller #4 (rev 03)

Note that the second line is. 0 VGA compatible controller