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I found this question, and that works on my VGA monitor, but my main monitor is connected via HDMI, and xcalib and xgamma don't work on it. How do I reduce the gamma? This is really getting to be an issue because I can hardly use this OS because of how bright the white is.

display system-settings

share|improve this question

edited Apr 13 '17 at 12:23

Community♦

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asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

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0

I found this question, and that works on my VGA monitor, but my main monitor is connected via HDMI, and xcalib and xgamma don't work on it. How do I reduce the gamma? This is really getting to be an issue because I can hardly use this OS because of how bright the white is.

display system-settings

share|improve this question

edited Apr 13 '17 at 12:23

Community♦

1

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

add a comment
 | 

I found this question, and that works on my VGA monitor, but my main monitor is connected via HDMI, and xcalib and xgamma don't work on it. How do I reduce the gamma? This is really getting to be an issue because I can hardly use this OS because of how bright the white is.

display system-settings

share|improve this question

edited Apr 13 '17 at 12:23

Community♦

1

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

share|improve this question

edited Apr 13 '17 at 12:23

Community♦

1

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

share|improve this question

edited Apr 13 '17 at 12:23

Community♦

1

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

edited Apr 13 '17 at 12:23

Community♦

1

edited Apr 13 '17 at 12:23

Community♦

1

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

asked May 23 '16 at 2:00

Taylor RoseTaylor Rose

1011 silver badge66 bronze badges

2 Answers
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0

I had this exact problem and was about to post a question on it, but managed to find an answer.

First use:

xrandr

To find the name of the output. It could be (HDMI-0 or HDMI-1 etc.)

Then do:

xrandr --output <Channel> --brightness <Level>

Brightness is a decimal number from 0 to 1. For example, this is the command I did to fix my problem:

xrandr --output HDMI-0 --brightness 0.8

share|improve this answer

answered Jan 10 '17 at 14:08

KlikKlik

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0

xrandr --output Channel --gamma R:G:B

for example:

xrandr --output HDMI1 --gamma .5:.5:.5

share|improve this answer

edited Apr 17 at 8:45

Mr Shunz

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answered Apr 17 at 8:00

Sarath AKSarath AK

1

add a comment
 | 

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0

I had this exact problem and was about to post a question on it, but managed to find an answer.

First use:

xrandr

To find the name of the output. It could be (HDMI-0 or HDMI-1 etc.)

Then do:

xrandr --output <Channel> --brightness <Level>

Brightness is a decimal number from 0 to 1. For example, this is the command I did to fix my problem:

xrandr --output HDMI-0 --brightness 0.8

share|improve this answer

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

add a comment
 | 

0

I had this exact problem and was about to post a question on it, but managed to find an answer.

First use:

xrandr

To find the name of the output. It could be (HDMI-0 or HDMI-1 etc.)

Then do:

xrandr --output <Channel> --brightness <Level>

Brightness is a decimal number from 0 to 1. For example, this is the command I did to fix my problem:

xrandr --output HDMI-0 --brightness 0.8

share|improve this answer

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

add a comment
 | 

I had this exact problem and was about to post a question on it, but managed to find an answer.

First use:

xrandr

To find the name of the output. It could be (HDMI-0 or HDMI-1 etc.)

Then do:

xrandr --output <Channel> --brightness <Level>

Brightness is a decimal number from 0 to 1. For example, this is the command I did to fix my problem:

xrandr --output HDMI-0 --brightness 0.8

share|improve this answer

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

xrandr

xrandr --output <Channel> --brightness <Level>

xrandr --output HDMI-0 --brightness 0.8

share|improve this answer

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

answered Jan 10 '17 at 14:08

KlikKlik

21711 silver badge99 bronze badges

0

xrandr --output Channel --gamma R:G:B

for example:

xrandr --output HDMI1 --gamma .5:.5:.5

share|improve this answer

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

answered Apr 17 at 8:00

Sarath AKSarath AK

1

add a comment
 | 

0

xrandr --output Channel --gamma R:G:B

for example:

xrandr --output HDMI1 --gamma .5:.5:.5

share|improve this answer

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

answered Apr 17 at 8:00

Sarath AKSarath AK

1

add a comment
 | 

xrandr --output Channel --gamma R:G:B

for example:

xrandr --output HDMI1 --gamma .5:.5:.5

share|improve this answer

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

answered Apr 17 at 8:00

Sarath AKSarath AK

1

share|improve this answer

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

answered Apr 17 at 8:00

Sarath AKSarath AK

1

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

edited Apr 17 at 8:45

Mr Shunz

2,66544 gold badges2222 silver badges2424 bronze badges

answered Apr 17 at 8:00

Sarath AKSarath AK

1

answered Apr 17 at 8:00

Sarath AKSarath AK

1