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Difference between revisions of "Did X.server recognise your monitor correctly?"
Did X.server recognise your monitor correctly? (view source)
Revision as of 16:34, 7 September 2021
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= A Quick Test to Validate these X.server Settings:= | = A Quick Test to Validate these X.server Settings:= <!--T:1--> | ||
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It is certainly worthwhile checking that the X.server has recognised your monitor correctly. If the X.server can't recognise your monitor or incorrectly recognises your monitor your display will not be optimal. | It is certainly worthwhile checking that the X.server has recognised your monitor correctly. If the X.server can't recognise your monitor or incorrectly recognises your monitor your display will not be optimal. | ||
==The Test:== | ==The Test:== <!--T:3--> | ||
<!--T:4--> | |||
Enter the following command in the Terminal: | Enter the following command in the Terminal: | ||
xdpyinfo | grep -B2 resolution | <!--T:5--> | ||
xdpyinfo | grep -B2 resolution | |||
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These are the results from my machine; fortunately they are correct: | These are the results from my machine; fortunately they are correct: | ||
[handy@jarmano ~]$ xdpyinfo | grep -B2 resolution | <!--T:7--> | ||
[handy@jarmano ~]$ xdpyinfo | grep -B2 resolution | |||
screen #0: | screen #0: | ||
dimensions: 1920x1200 pixels (524x321 millimeters) | dimensions: 1920x1200 pixels (524x321 millimeters) | ||
| Line 24: | Line 29: | ||
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'''Note:''' If you are running more than one monitor, this test will most likely provide results that are created by combining the monitors that you have connected to your machine & treating them as though they are one monitor! | '''Note:''' If you are running more than one monitor, this test will most likely provide results that are created by combining the monitors that you have connected to your machine & treating them as though they are one monitor! | ||
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So you may need to do some arithmetic, OR, of course you could just connect one monitor at a time for the test. ;) | So you may need to do some arithmetic, OR, of course you could just connect one monitor at a time for the test. ;) | ||
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<br clear="all"/> | <br clear="all"/> | ||
==What if the X.server got it wrong?== | ==What if the X.server got it wrong?== <!--T:11--> | ||
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If the X.server can't work out what your screen size is it will set your DPI at the default of 75 x 75. If so, you will need to manually create a file like so: | If the X.server can't work out what your screen size is it will set your DPI at the default of 75 x 75. If so, you will need to manually create a file like so: | ||
/etc/X11/xorg.conf.d/90-monitor.conf | <!--T:13--> | ||
/etc/X11/xorg.conf.d/90-monitor.conf | |||
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to which you must add the pertinent details ''(see below)''. | to which you must add the pertinent details ''(see below)''. | ||
==Getting Your Monitor's Specifications:== | ==Getting Your Monitor's Specifications:== <!--T:15--> | ||
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Probably the easiest way to get the required details is from the technical specifications supplied in the monitor's manual. | Probably the easiest way to get the required details is from the technical specifications supplied in the monitor's manual. | ||
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If you don't have the manual, you can search for the specifications of your monitor online; most maker's have a section on their sites for archived manuals. | If you don't have the manual, you can search for the specifications of your monitor online; most maker's have a section on their sites for archived manuals. | ||
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There are also other sites out there that carry such information. | There are also other sites out there that carry such information. | ||
==What do I do with the Specifications:== | ==What do I do with the Specifications:== <!--T:19--> | ||
<!--T:20--> | |||
Enter the following into the Terminal to call your favourite text editor as root & create an initially empty file with the right path & name: | Enter the following into the Terminal to call your favourite text editor as root & create an initially empty file with the right path & name: | ||
sudo <text.editor.name> /etc/X11/xorg.conf.d/90-monitor.conf | <!--T:21--> | ||
sudo <text.editor.name> /etc/X11/xorg.conf.d/90-monitor.conf | |||
<!--T:22--> | |||
Then copy the following into your editor's blank page: | Then copy the following into your editor's blank page: | ||
<!--T:23--> | |||
'''/etc/X11/xorg.conf.d/90-monitor.conf''' | '''/etc/X11/xorg.conf.d/90-monitor.conf''' | ||
Section "Monitor" | <!--T:24--> | ||
Section "Monitor" | |||
Identifier "Monitor0" | Identifier "Monitor0" | ||
DisplaySize 286 179 # In millimeters | DisplaySize 286 179 # In millimeters | ||
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You '''MUST''' replace the '''DisplaySize''' numbers with the ones for your monitor. | You '''MUST''' replace the '''DisplaySize''' numbers with the ones for your monitor. | ||
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After you have done that, save the file & reboot. The next time X starts the X.server will have calculated your DPI values from the numbers that you put in the '''DisplaySize''' line above. | After you have done that, save the file & reboot. The next time X starts the X.server will have calculated your DPI values from the numbers that you put in the '''DisplaySize''' line above. | ||
<!--T:27--> | |||
To test that the X.server has done what it has supposed to do & also that there were no typo's, run the test from the start of this wiki again. | To test that the X.server has done what it has supposed to do & also that there were no typo's, run the test from the start of this wiki again. | ||
==What if I can't find the Manufacturer's Specifations?== | ==What if I can't find the Manufacturer's Specifations?== <!--T:28--> | ||
<!--T:29--> | |||
You can measure your monitor & input the numbers that way, though your measurements will most likely be different than manufacturer's. | You can measure your monitor & input the numbers that way, though your measurements will most likely be different than manufacturer's. | ||
<!--T:30--> | |||
If you can't find the manufacturer's specifications on the web, have a look at this page as you still have options available to you: [https://wiki.archlinux.org/index.php/Xorg#Display_Size_and_DPI] | If you can't find the manufacturer's specifications on the web, have a look at this page as you still have options available to you: [https://wiki.archlinux.org/index.php/Xorg#Display_Size_and_DPI] | ||
=Support= | =Support= <!--T:31--> | ||
<!--T:32--> | |||
Following is a link to this page's forum counterpart where you can post any related feedback: [https://forum.manjaro.org/t/wiki-did-x-server-recognise-your-monitor-correctly/17653] | Following is a link to this page's forum counterpart where you can post any related feedback: [https://forum.manjaro.org/t/wiki-did-x-server-recognise-your-monitor-correctly/17653] | ||
</translate> | </translate> | ||
[[Category:Contents Page{{#translation:}}]] | [[Category:Contents Page{{#translation:}}]] | ||