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Groups > alt.os.linux.mint > #47515
| From | pinnerite <pinnerite@gmail.com> |
|---|---|
| Newsgroups | alt.os.linux.mint |
| Subject | Re: Two Screens. One nit displaYinG. |
| Date | 2026-05-16 15:52 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <20260516155255.8e24e499e8985c0ddd1ba275@gmail.com> (permalink) |
| References | <20260516110239.fc5d37df037fea446522e924@gmail.com> <10u9j8q$to5r$1@dont-email.me> |
On Sat, 16 May 2026 07:09:14 -0400
Paul <nospam@needed.invalid> wrote:
> On Sat, 5/16/2026 6:02 AM, pinnerite wrote:
> >
> > What had been working reliably after new cables attached, suddenly
> > dropped its right-hand screen.
> >
> > But when I boot on a Mint live flash-drive, both screens come up.
> > So far I cannot seem to get it going again.
> >
> > The Display driver only sees one screen.
> >
> > I have an AMD graphics card. No Nvidia.
> >
> >
> > :( Alan
>
> This command is a complement to what you see in the display panel.
>
> xrandr -q
>
> bullwinkle@PROGRESS:~$ xrandr -q
> Screen 0: minimum 8 x 8, current 1280 x 1024, maximum 32767 x 32767
> DVI-D-0 disconnected (normal left inverted right x axis y axis)
> DP-0 disconnected (normal left inverted right x axis y axis)
> DP-1 disconnected (normal left inverted right x axis y axis)
> HDMI-0 connected primary 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
> 1280x1024 60.02*+ 75.02
> 1280x720 60.00 59.94
> 1152x864 75.00
> 1024x768 75.03 70.07 60.00
> 800x600 75.00 72.19 60.32 56.25
> 640x480 75.00 72.81 59.94
> DP-2 disconnected (normal left inverted right x axis y axis)
> DP-3 disconnected (normal left inverted right x axis y axis)
> DP-4 disconnected (normal left inverted right x axis y axis)
> DP-5 disconnected (normal left inverted right x axis y axis)
>
> (Card has HDMI, DP,DP,DP, DVI-D. HDMI to VGA adapter driving one 1280x1024 VGA LCD monitor. )
>
$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 4096 x 4096
None-1 connected primary 1920x1080+0+0 (0x41) normal (normal left inverted right x axis y axis) 0mm x 0mm
Identifier: 0x3f
Timestamp: 7539
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 35
supported: 35
non-desktop: 0
range: (0, 1)
1920x1080 (0x41) 124.416MHz *current +preferred
h: width 1920 start 1920 end 1920 total 1920 skew 0 clock 64.80KHz
v: height 1080 start 1080 end 1080 total 1080 clock 60.00Hz
$
> There are also some EDID commands ("readedid"), for dumping the EDID over the interface
> on each display cable. HDMI/DP/VGA/DVI have EDID, signals with names like SDA,SCK.
> The video card send SDA,SCK and the monitor reads back its EEPROM of stuff.
> Some poorly prepared monitors did not have a write-protect on
> their EDID EEPROM and could be (accidentally) modified. With
> various humorous results.
>
> It is the reading of the EDID on my 20 year old LCD monitor, that
> results in the six lines of resolution choices. XRandr then, also
> has to read the EDID to get that info.
>
> If you are using a KVM, that is another source of surprises
> when it comes to monitor detection.
>
> Paul
>
--
Linux Mint 22.1 kernel version 6.8.0-84-generic Cinnamon 6.4.8
AMD Ryzen 7 7700, Radeon RX 6600, 32GB DDR5, 2TB SSD, 2TB Barracuda
Back to alt.os.linux.mint | Previous | Next — Previous in thread | Next in thread | Find similar
Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 11:02 +0100
Re: Two Screens. One nit displaYinG. Edmund <nomail@hotmail.com> - 2026-05-16 12:07 +0200
Re: Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 15:48 +0100
Re: Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 17:02 +0100
Re: Two Screens. One nit displaYinG. Paul <nospam@needed.invalid> - 2026-05-16 12:36 -0400
Re: Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 21:29 +0100
Re: Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 21:52 +0100
Re: Two Screens. One nit displaYinG. Paul <nospam@needed.invalid> - 2026-05-16 07:09 -0400
Re: Two Screens. One nit displaYinG. pinnerite <pinnerite@gmail.com> - 2026-05-16 15:52 +0100
Re: Two Screens. One nit displaYinG. german newsgroups <usualsuspectrider@gmail.com> - 2026-05-17 08:07 +0200
Re: Two Screens. One nit displaYinG. german newsgroups <usualsuspectrider@gmail.com> - 2026-05-17 08:14 +0200
Re: Two Screens. One nit displaYinG. german newsgroups <usualsuspectrider@gmail.com> - 2026-05-17 08:18 +0200
Re: Two Screens. One nit displaYinG. german newsgroups <usualsuspectrider@gmail.com> - 2026-05-17 08:19 +0200
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