Ubuntu (x64) 12.04 and Sony Vaio VPCEH3S6E brightness level

[richard78917]

Hello,
I have a problem with brightness level on my Sony Vaio VPCEH3S6E, i installed Ubuntu here- dualboot with windows. Problem is that I can't set my brightness level- it is allways maximum.

Thank you for any ideas

[pqwoerituytrueiwoq]

out put of these commands

ls /sys/class/backlight/
ls /sys/class/backlight/*/

[richard78917]

out put of these commands

ls /sys/class/backlight/
ls /sys/class/backlight/*/

Nothing happens

[pqwoerituytrueiwoq]

they have to do something at the very least say no such file or directory

[richard78917]

Ok sorry for my bad reply.

here is the screen, it says:
ls: it is not able to access to /sys/... : Directory or file does not exist

[richard78917]

So you can't help me with my problem???

[pqwoerituytrueiwoq]

sorry lost this thread
you can try xbacklight

[rnerwein]

Hello,
I have a problem with brightness level on my Sony Vaio VPCEH3S6E, i installed Ubuntu here- dualboot with windows. Problem is that I can't set my brightness level- it is allways maximum.

Thank you for any ideas

hi
i have 2 sony vaio laptops (pcg z...) and on both the brightnes is set via Fn+F5 key.
may be this is the same at yours.
bye

[richard78917]

sorry lost this thread
you can try xbacklight

That program doesn't work

hi
i have 2 sony vaio laptops (pcg z...) and on both the brightnes is set via Fn+F5 key.
may be this is the same at yours.
bye

Thanks but that shortcut do nothing

So is there any hope to save my eyes?? or Windows is only solution??