brightness | xrandr | what does it mean - software only modification?Xrandr does not recognize newmode...
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brightness | xrandr | what does it mean - software only modification?
Xrandr does not recognize newmode optionHow does xrandr identify/choose which resolutions to offer?xrandr: where does VIRTUAL1 output come from?xrandr --listproviders does not detect nvidiaCan't set xrandr brightness and gamma correctlyxrandr only lists mode after a while of waitingWhat does the --size parameter of Xrandr do?Set the screen brightness: xbacklight does not work on HDMI, xrandr --brightness does not stickxrandr --dpi does not affect Gnome Apps on i3wmxrandr command does not work in lightdm.conf
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xrandr
--brightness brightness -
multiply the gamma values on the crtc currently attached to the output to specified floating value. Useful for overly bright or overly dim outputs. However, this is a software only modification, if your hardware has support to actually change the brightness, you will probably prefer to use xbacklight.
What does it mean?!
xrandr backlight
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
add a comment |
xrandr
--brightness brightness -
multiply the gamma values on the crtc currently attached to the output to specified floating value. Useful for overly bright or overly dim outputs. However, this is a software only modification, if your hardware has support to actually change the brightness, you will probably prefer to use xbacklight.
What does it mean?!
xrandr backlight
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
1
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47
add a comment |
xrandr
--brightness brightness -
multiply the gamma values on the crtc currently attached to the output to specified floating value. Useful for overly bright or overly dim outputs. However, this is a software only modification, if your hardware has support to actually change the brightness, you will probably prefer to use xbacklight.
What does it mean?!
xrandr backlight
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
xrandr
--brightness brightness -
multiply the gamma values on the crtc currently attached to the output to specified floating value. Useful for overly bright or overly dim outputs. However, this is a software only modification, if your hardware has support to actually change the brightness, you will probably prefer to use xbacklight.
What does it mean?!
xrandr backlight
xrandr backlight
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
asked Mar 28 at 16:24
e.doroskevice.doroskevic
1093
1093
1
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47
add a comment |
1
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47
1
1
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47
add a comment |
1 Answer
1
active
oldest
votes
It means laptops with built in displays have software to control the hardware brightness. There are no little knobs you can turn on laptops.
External monitors have knobs you can turn or buttons you can press to set hardware brightness.
On a laptop you use software to control the brightness like this:
# echo 2000 > /sys/class/backlight/intel_backlight/brightness
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
add a comment |
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1 Answer
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1 Answer
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active
oldest
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votes
It means laptops with built in displays have software to control the hardware brightness. There are no little knobs you can turn on laptops.
External monitors have knobs you can turn or buttons you can press to set hardware brightness.
On a laptop you use software to control the brightness like this:
# echo 2000 > /sys/class/backlight/intel_backlight/brightness
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
add a comment |
It means laptops with built in displays have software to control the hardware brightness. There are no little knobs you can turn on laptops.
External monitors have knobs you can turn or buttons you can press to set hardware brightness.
On a laptop you use software to control the brightness like this:
# echo 2000 > /sys/class/backlight/intel_backlight/brightness
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
add a comment |
It means laptops with built in displays have software to control the hardware brightness. There are no little knobs you can turn on laptops.
External monitors have knobs you can turn or buttons you can press to set hardware brightness.
On a laptop you use software to control the brightness like this:
# echo 2000 > /sys/class/backlight/intel_backlight/brightness
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
It means laptops with built in displays have software to control the hardware brightness. There are no little knobs you can turn on laptops.
External monitors have knobs you can turn or buttons you can press to set hardware brightness.
On a laptop you use software to control the brightness like this:
# echo 2000 > /sys/class/backlight/intel_backlight/brightness
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
answered 1 hour ago
WinEunuuchs2UnixWinEunuuchs2Unix
394113
394113
add a comment |
add a comment |
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1
It means that it doesn't actually change the brightness of your monitor, it just applies a filter to the colors so they look brighter. It's the same thing TV commercial use to sound louder without changing your hardware volume control, only with light instead of sound. You shouldn't really mess with the gamma settings unless you're forced to use an old, burnt-out CRT ;-)
– mosvy
Mar 28 at 19:17
mosvy, thank you. I assumed that was the case. I will need to learn more about how it actually does it
– e.doroskevic
Mar 28 at 19:47