Here's the decoded EDID of the affected monitor on HDMI-1-0:
EDID version: 1.3
Manufacturer: BNQ Model 30926 Serial Number 21573
Made in week 3 of 2015
Digital display
Maximum image size: 53 cm x 30 cm
Gamma: 2.20
DPMS levels: Off
RGB color display
Default (sRGB) color space is primary color space
First detailed timing is preferred timing
Color Characteristics
Red: 0.6416, 0.3339
Green: 0.3339, 0.6240
Blue: 0.1523, 0.0498
White: 0.3134, 0.3291
Established Timings I & II
720x400 70.082 Hz 9:5 31.467 kHz 28.320 MHz (IBM)
640x480 59.940 Hz 4:3 31.469 kHz 25.175 MHz (DMT)
640x480 75.000 Hz 4:3 37.500 kHz 31.500 MHz (DMT)
800x600 60.317 Hz 4:3 37.879 kHz 40.000 MHz (DMT)
800x600 75.000 Hz 4:3 46.875 kHz 49.500 MHz (DMT)
832x624 74.551 Hz 4:3 49.726 kHz 57.284 MHz (Apple)
1024x768 60.004 Hz 4:3 48.363 kHz 65.000 MHz (DMT)
1024x768 75.029 Hz 4:3 60.023 kHz 78.750 MHz (DMT)
1280x1024 75.025 Hz 5:4 79.976 kHz 135.000 MHz (DMT)
1152x870 75.062 Hz 192:145 68.681 kHz 100.000 MHz (Apple)
Standard Timings
1920x1080 60.000 Hz 16:9 67.500 kHz 148.500 MHz (DMT)
1280x720 60.000 Hz 16:9 45.000 kHz 74.250 MHz (DMT)
1280x800 59.810 Hz 16:10 49.702 kHz 83.500 MHz (DMT)
1280x1024 60.020 Hz 5:4 63.981 kHz 108.000 MHz (DMT)
1600x900 60.000 Hz 16:9 60.000 kHz 108.000 MHz (DMT, RB)
1680x1050 59.954 Hz 16:10 65.290 kHz 146.250 MHz (DMT)
Detailed mode: Clock 148.500 MHz, 531 mm x 299 mm
1920 2008 2052 2200 ( 88 44 148)
1080 1084 1089 1125 ( 4 5 36)
+hsync +vsync
VertFreq: 60.000 Hz, HorFreq: 67.500 kHz
Display Product Serial Number: Y1F02711SL0
Display Range Limits
Monitor ranges (GTF): 50-76 Hz V, 30-83 kHz H, max dotclock 170 MHz
Display Product Name: BenQ GL2460
Has 1 extension block
Checksum: 0x86
----------------
CTA-861 Extension Block Revision 3
Underscans PC formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
1 native detailed modes
30 bytes of CTA data blocks
Video Data Block
1920x1080 60.000 Hz 16:9 67.500 kHz 148.500 MHz (VIC 16, native)
1920x1080i 60.000 Hz 16:9 33.750 kHz 74.250 MHz (VIC 5)
1280x720 60.000 Hz 16:9 45.000 kHz 74.250 MHz (VIC 4)
720x480 59.940 Hz 16:9 31.469 kHz 27.000 MHz (VIC 3)
720x480 59.940 Hz 4:3 31.469 kHz 27.000 MHz (VIC 2)
640x480 59.940 Hz 4:3 31.469 kHz 25.175 MHz (VIC 1)
720x576 50.000 Hz 4:3 31.250 kHz 27.000 MHz (VIC 17)
720x576 50.000 Hz 16:9 31.250 kHz 27.000 MHz (VIC 18)
1280x720 50.000 Hz 16:9 37.500 kHz 74.250 MHz (VIC 19)
1920x1080i 50.000 Hz 16:9 28.125 kHz 74.250 MHz (VIC 20)
1440x480i 59.940 Hz 4:3 15.734 kHz 27.000 MHz (VIC 6)
1440x480i 59.940 Hz 16:9 15.734 kHz 27.000 MHz (VIC 7)
1440x576i 50.000 Hz 4:3 15.625 kHz 27.000 MHz (VIC 21)
1440x576i 50.000 Hz 16:9 15.625 kHz 27.000 MHz (VIC 22)
1920x1080 50.000 Hz 16:9 56.250 kHz 148.500 MHz (VIC 31)
Audio Data Block
Linear PCM, max channels 2
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 24 20 16
Vendor-Specific Data Block, OUI 0x000c03 (HDMI)
Source physical address 1.0.0.0
Speaker Allocation Data Block
Speaker map:
FL/FR - Front Left/Right
Detailed mode: Clock 148.500 MHz, 531 mm x 299 mm
1920 2008 2052 2200 ( 88 44 148)
1080 1084 1089 1125 ( 4 5 36)
+hsync +vsync
VertFreq: 60.000 Hz, HorFreq: 67.500 kHz
Detailed mode: Clock 74.250 MHz, 531 mm x 299 mm
1920 2008 2052 2200 ( 88 44 148)
540 542 547 562 ( 2 5 15)
+hsync +vsync
VertFreq: 60.000i Hz, HorFreq: 33.750 kHz
Detailed mode: Clock 74.250 MHz, 531 mm x 299 mm
1280 1390 1430 1650 (110 40 220)
720 725 730 750 ( 5 5 20)
+hsync +vsync
VertFreq: 60.000 Hz, HorFreq: 45.000 kHz
Detailed mode: Clock 27.000 MHz, 531 mm x 299 mm
720 736 798 858 ( 16 62 60)
480 489 495 525 ( 9 6 30)
-hsync -vsync
VertFreq: 59.940 Hz, HorFreq: 31.469 kHz
Checksum: 0xe7
** Tags added: amdgpu hybrid nvidia
** Summary changed:
- Second monitor is detected but has no signal
+ [nvidia] [amdgpu] Second monitor is detected but has no signal
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Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1913613
Title:
[nvidia] [amdgpu] Second monitor is detected but has no signal
Status in nvidia-graphics-drivers-460 package in Ubuntu:
New
Bug description:
xrandr
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 16384 x 16384
eDP connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 344mm x 194mm
1920x1080 59.93*+ 39.99
1680x1050 59.93
1280x1024 59.93
1440x900 59.93
1280x800 59.93
1280x720 59.93
1024x768 59.93
800x600 59.93
640x480 59.93
HDMI-1-0 connected (normal left inverted right x axis y axis)
1920x1080 60.00 + 59.94 50.00
1680x1050 59.95
1600x900 60.00
1280x1024 75.02 60.02
1280x800 59.81
1280x720 60.00 59.94 50.00
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x480 59.94
640x480 75.00 59.94 59.93
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 5.4.0-64.72~18.04.1-generic 5.4.78
Uname: Linux 5.4.0-64-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.capabilities.gpu0: Error: [Errno 21] Es un directorio:
'/proc/driver/nvidia/capabilities/gpu0'
.proc.driver.nvidia.capabilities.mig: Error: [Errno 21] Es un directorio:
'/proc/driver/nvidia/capabilities/mig'
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Es un directorio:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 460.32.03 Sun Dec 27
19:00:34 UTC 2020
GCC version: gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
ApportVersion: 2.20.9-0ubuntu7.21
Architecture: amd64
BootLog:
CompositorRunning: None
Date: Thu Jan 28 16:52:43 2021
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
nvidia, 460.32.03, 5.4.0-64-generic, x86_64: installed
rtl8821ce, 5.5.2.1, 5.4.0-42-generic, x86_64: installed
rtl8821ce, 5.5.2.1, 5.4.0-64-generic, x86_64: installed
GraphicsCard:
NVIDIA Corporation Device [10de:1f91] (rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:109f]
Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c1) (prog-if
00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:18f1]
InstallationDate: Installed on 2021-01-27 (0 days ago)
InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64
(20200806.1)
MachineType: ASUSTeK COMPUTER INC. TUF Gaming FX505DT_FX505DT
ProcEnviron:
LANGUAGE=es
TERM=xterm-256color
PATH=(custom, no user)
LANG=es_ES.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-64-generic
root=UUID=a4e7f6c4-6b4b-46b3-b120-84a8805ac9dd ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/22/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FX505DT.315
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: FX505DT
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrFX505DT.315:bd09/22/2020:svnASUSTeKCOMPUTERINC.:pnTUFGamingFX505DT_FX505DT:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnFX505DT:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: TUF Gaming
dmi.product.name: TUF Gaming FX505DT_FX505DT
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.8-0ubuntu1~18.04.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
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