system hangs when adjusting brightness

Asked by yashwant singh

i have inspiron N15 laptop, i5 520 processor ,intel integrated HD graphics, whenever i try to adjust brightness , ubuntu12.04 hangs.

Question information

Language:
English Edit question
Status:
Answered
For:
Ubuntu xserver-xorg-video-intel Edit question
Assignee:
No assignee Edit question
Last query:
Last reply:
Revision history for this message
actionparsnip (andrew-woodhead666) said :
#1

Try:

sudo /usr/bin/xbacklight -set 75

Does it change?

Revision history for this message
yashwant singh (t2t2c2c2) said :
#2

~$ sudo /usr/bin/xbacklight -set 75
sudo: /usr/bin/xbacklight: command not found

Revision history for this message
actionparsnip (andrew-woodhead666) said :
#3
Revision history for this message
yashwant singh (t2t2c2c2) said :
#4

  it does change brightness, but the problem still persists. It still Hangs if i try to adjust it by hotkey and brightness and lock menu in the All setting menu. Will i have to always change brightness by terminal.

Revision history for this message
actionparsnip (andrew-woodhead666) said :
#5

I suggest you reoprt a bug

Can you help with this problem?

Provide an answer of your own, or ask yashwant singh for more information if necessary.

To post a message you must log in.