keyboard - I cannot adjust the brightness on Lubuntu 14.04 - Ask Ubuntu


i using samsung np-x420 lubuntu 14.04. screen bright irritates eyes. when press brightness adjustment keys on keyboard (fn+down arrow), can see window appears on top right corner, showing changing brightness, nothing happens. bar moving left , right brightness remains harsh.

is there way adjust brightness? need install drivers? if yes, please tell me ones. not familiar computer stuff.

thanks in advance!


Comments

Post a Comment

Popular posts from this blog

nvidia - NV18 [GeForce4 MX 4000] driver - Ask Ubuntu

installed ubuntu mate 16.04 lts on decade-old desktop. lspci -k shows: 01:00.0 vga compatible controller: nvidia corporation nv18 [geforce4 mx 4000] (rev c1) subsystem: xfx pine group inc. nv18 [geforce4 mx 4000] kernel driver in use: nouveau kernel modules: nvidiafb, nouveau i wonder nvidia-* driver package need install. thought should nvidia-96 , far checked, there no nvidia-96 package available.
Read more

drivers - No wi-fi network after install - Ask Ubuntu

i installed ubuntu 16:10 on xiaomi air 13 "uncommon device know" i'm not able see wifi connection. problem occurred right after install, since before "during try ubuntu , installation" able see , connect w/out problem. if go settings -> network i'm not able turn on wifi "it switch off turn on". nothing in software , update -> more driver. what should ? :c edit:i able fix metod here wi-fi drivers laptop xiaomi air 13 but can't find programm/app on ubuntu software c. "like geany". problem somehow related fix found ?
Read more