lubuntu@lubuntu:~$ lspci 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Complex 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) I/O Memory Management Unit 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d4) 00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 15b3 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Processor Root Port 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Host Bridge 00:08.0 Encryption controller: Advanced Micro Devices, Inc. [AMD] Device 1578 00:09.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 157d 00:09.2 Audio device: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 60h-6fh) Audio Controller 00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 20) 00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 4b) 00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 49) 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 4b) 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b0 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b1 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b2 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b3 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b4 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b5 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) 03:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev 10) [...] lubuntu@lubuntu:/$ lspci | grep -i graphics 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] (rev d4) lubuntu@lubuntu:/$ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 16384 x 16384 eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm 1366x768 60.01*+ 39.97 1280x720 60.01 1024x768 60.01 800x600 60.01 640x480 60.01 HDMI-A-0 connected (normal left inverted right x axis y axis) 1920x1080 60.00 + 59.94 30.00 24.00 29.97 23.98 1680x1050 60.00 1280x1024 60.02 1440x900 60.00 1360x768 60.02 1280x800 60.00 1152x864 59.97 1280x720 60.00 59.94 1024x768 60.00 800x600 60.32 720x480 60.00 59.94 640x480 60.00 59.94 720x400 70.08 DisplayPort-0 disconnected (normal left inverted right x axis y axis) lubuntu@lubuntu:/$ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 16384 x 16384 eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm 1366x768 60.01*+ 39.97 1280x720 60.01 1024x768 60.01 800x600 60.01 640x480 60.01 HDMI-A-0 disconnected (normal left inverted right x axis y axis) DisplayPort-0 disconnected (normal left inverted right x axis y axis) lubuntu@lubuntu:/$ bumblebee Command 'bumblebee' not found, did you mean: command 'bumblebeed' from deb bumblebee (3.2.1-20) Try: sudo apt install lubuntu@lubuntu:/$ sudo apt-get install bumblebee Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: bbswitch-dkms dkms libgl1-mesa-glx primus primus-libs socat Suggested packages: bumblebee-nvidia menu nvidia-driver-libs-nonglvnd | nvidia-legacy-390xx-driver-libs-nonglvnd Recommended packages: primus-libs-ia32 The following NEW packages will be installed: bbswitch-dkms bumblebee dkms libgl1-mesa-glx primus primus-libs socat 0 upgraded, 7 newly installed, 0 to remove and 332 not upgraded. Need to get 536 kB of archives. After this operation, 1949 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://old-releases.ubuntu.com/ubuntu disco-updates/main amd64 dkms all 2.6.1-4ubuntu2.5 [66.9 kB] Get:2 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 bbswitch-dkms amd64 0.8-8 [11.7 kB] Get:3 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 bumblebee amd64 3.2.1-20 [49.3 kB] Get:4 http://old-releases.ubuntu.com/ubuntu disco-updates/main amd64 libgl1-mesa-glx amd64 19.0.8-0ubuntu0~19.04.1 [5392 B] Get:5 http://old-releases.ubuntu.com/ubuntu disco/main amd64 socat amd64 1.7.3.2-2ubuntu2 [342 kB] Get:6 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 primus-libs amd64 0~20150328-7 [50.7 kB] Get:7 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 primus amd64 0~20150328-7 [9892 B] Fetched 536 kB in 1s (629 kB/s) Selecting previously unselected package dkms. (Reading database ... 218498 files and directories currently installed.) Preparing to unpack .../0-dkms_2.6.1-4ubuntu2.5_all.deb ... Unpacking dkms (2.6.1-4ubuntu2.5) ... Selecting previously unselected package bbswitch-dkms. Preparing to unpack .../1-bbswitch-dkms_0.8-8_amd64.deb ... Unpacking bbswitch-dkms (0.8-8) ... Selecting previously unselected package bumblebee. Preparing to unpack .../2-bumblebee_3.2.1-20_amd64.deb ... Unpacking bumblebee (3.2.1-20) ... Selecting previously unselected package libgl1-mesa-glx:amd64. Preparing to unpack .../3-libgl1-mesa-glx_19.0.8-0ubuntu0~19.04.1_amd64.deb ... Unpacking libgl1-mesa-glx:amd64 (19.0.8-0ubuntu0~19.04.1) ... Selecting previously unselected package socat. Preparing to unpack .../4-socat_1.7.3.2-2ubuntu2_amd64.deb ... Unpacking socat (1.7.3.2-2ubuntu2) ... Selecting previously unselected package primus-libs:amd64. Preparing to unpack .../5-primus-libs_0~20150328-7_amd64.deb ... Unpacking primus-libs:amd64 (0~20150328-7) ... Selecting previously unselected package primus. Preparing to unpack .../6-primus_0~20150328-7_amd64.deb ... Unpacking primus (0~20150328-7) ... Setting up dkms (2.6.1-4ubuntu2.5) ... Setting up socat (1.7.3.2-2ubuntu2) ... Setting up libgl1-mesa-glx:amd64 (19.0.8-0ubuntu0~19.04.1) ... Setting up bbswitch-dkms (0.8-8) ... Loading new bbswitch-0.8 DKMS files... Building for 5.0.0-13-generic Building initial module for 5.0.0-13-generic Done. bbswitch.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/5.0.0-13-generic/updates/dkms/ depmod..... DKMS: install completed. Setting up primus-libs:amd64 (0~20150328-7) ... Setting up bumblebee (3.2.1-20) ... Adding members from group(s) 'adm sudo admin' to 'bumblebee': lubuntu syslog Adding user lubuntu to group bumblebee Adding user syslog to group bumblebee No Nvidia card found. If you really have an Optimus system, try selecting the Optimus setup in BIOS and run: sudo dpkg-reconfigure bumblebee Created symlink /etc/systemd/system/graphical.target.wants/bumblebeed.service → /lib/systemd/system/bumblebeed.service. Setting up primus (0~20150328-7) ... Processing triggers for systemd (240-6ubuntu5) ... Processing triggers for man-db (2.8.5-2) ... Processing triggers for initramfs-tools (0.131ubuntu19) ... update-initramfs is disabled since running on read-only media lubuntu@lubuntu:/$ echo For Nvidia only I guess For Nvidia only I guess lubuntu@lubuntu:/$ cvt 1920 1080 60 # 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync lubuntu@lubuntu:/$ xrandr --newmode "1920x1080" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync X Error of failed request: BadName (named color or font does not exist) Major opcode of failed request: 140 (RANDR) Minor opcode of failed request: 16 (RRCreateMode) Serial number of failed request: 27 Current serial number in output stream: 27 lubuntu@lubuntu:/$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Generic [HD-Audio Generic], device 0: ALC3227 Analog [ALC3227 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 lubuntu@lubuntu:/$ mplayer Command 'mplayer' not found, but can be installed with: sudo apt install mplayer lubuntu@lubuntu:/$ sudo apt-get install mplayer Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libdirectfb-1.7-7 libenca0 libopenal-data libopenal1 libvorbisidec1 Suggested packages: libdirectfb-extra libportaudio2 mplayer-doc netselect | fping The following NEW packages will be installed: libdirectfb-1.7-7 libenca0 libopenal-data libopenal1 libvorbisidec1 mplayer 0 upgraded, 6 newly installed, 0 to remove and 332 not upgraded. Need to get 3980 kB of archives. After this operation, 10.7 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 libdirectfb-1.7-7 amd64 1.7.7-8 [953 kB] Get:2 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 libenca0 amd64 1.19-1 [54.0 kB] Get:3 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 libopenal-data all 1:1.19.1-1 [162 kB] Get:4 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 libopenal1 amd64 1:1.19.1-1 [492 kB] Get:5 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 libvorbisidec1 amd64 1.2.1+git20180316-3 [72.7 kB] Get:6 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 mplayer amd64 2:1.3.0-8build3 [2246 kB] Fetched 3980 kB in 2s (1734 kB/s) Selecting previously unselected package libdirectfb-1.7-7:amd64. (Reading database ... 218652 files and directories currently installed.) Preparing to unpack .../0-libdirectfb-1.7-7_1.7.7-8_amd64.deb ... Unpacking libdirectfb-1.7-7:amd64 (1.7.7-8) ... Selecting previously unselected package libenca0:amd64. Preparing to unpack .../1-libenca0_1.19-1_amd64.deb ... Unpacking libenca0:amd64 (1.19-1) ... Selecting previously unselected package libopenal-data. Preparing to unpack .../2-libopenal-data_1%3a1.19.1-1_all.deb ... Unpacking libopenal-data (1:1.19.1-1) ... Selecting previously unselected package libopenal1:amd64. Preparing to unpack .../3-libopenal1_1%3a1.19.1-1_amd64.deb ... Unpacking libopenal1:amd64 (1:1.19.1-1) ... Selecting previously unselected package libvorbisidec1. Preparing to unpack .../4-libvorbisidec1_1.2.1+git20180316-3_amd64.deb ... Unpacking libvorbisidec1 (1.2.1+git20180316-3) ... Selecting previously unselected package mplayer. Preparing to unpack .../5-mplayer_2%3a1.3.0-8build3_amd64.deb ... Unpacking mplayer (2:1.3.0-8build3) ... Setting up libvorbisidec1 (1.2.1+git20180316-3) ... Setting up libenca0:amd64 (1.19-1) ... Setting up libopenal-data (1:1.19.1-1) ... Setting up libdirectfb-1.7-7:amd64 (1.7.7-8) ... Setting up libopenal1:amd64 (1:1.19.1-1) ... Setting up mplayer (2:1.3.0-8build3) ... Processing triggers for libc-bin (2.29-0ubuntu2) ... Processing triggers for man-db (2.8.5-2) ... Processing triggers for mime-support (3.60ubuntu1) ... lubuntu@lubuntu:/$ mplayer -ao alsa:device=hw=0.3 "/media/lubuntu/My Passport/1/2001[...]/Game of Thrones Season 4 (1080p x265 10bit Joy)/Game Of Thrones S04E10 The Children (1080p x265 10bit Joy).mkv" Creating config file: /home/lubuntu/.mplayer/config MPlayer 1.3.0 (Debian), built with gcc-8 (C) 2000-2016 MPlayer Team do_connect: could not connect to socket connect: No such file or directory Failed to open LIRC support. You will not be able to use your remote control. Playing /media/lubuntu/My Passport/1/2001[...]/Game of Thrones Season 4 (1080p x265 10bit Joy)/Game Of Thrones S04E10 The Children (1080p x265 10bit Joy).mkv. libavformat version 58.20.100 (external) Mismatching header version 58.12.100 libavformat file format detected. [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 2 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 3 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 4 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 5 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 6 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 7 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 8 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 9 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 10 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 11 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [matroska,webm @ 0x7f4baf888e00]Could not find codec parameters for stream 12 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [lavf] stream 0: video (hevc), -vid 0 [lavf] stream 1: audio (aac), -aid 0, -alang eng, English [lavf] stream 2: subtitle (pgssub), -sid 0, -slang eng [lavf] stream 3: subtitle (pgssub), -sid 1, -slang fre [lavf] stream 4: subtitle (pgssub), -sid 2, -slang spa [lavf] stream 5: subtitle (pgssub), -sid 3, -slang cze [lavf] stream 6: subtitle (pgssub), -sid 4, -slang pol [lavf] stream 7: subtitle (pgssub), -sid 5, -slang por [lavf] stream 8: subtitle (pgssub), -sid 6, -slang dut [lavf] stream 9: subtitle (pgssub), -sid 7, -slang dan [lavf] stream 10: subtitle (pgssub), -sid 8, -slang fin [lavf] stream 11: subtitle (pgssub), -sid 9, -slang nob [lavf] stream 12: subtitle (pgssub), -sid 10, -slang swe [lavf] stream 13: audio (aac), -aid 1, -alang fre, French [lavf] stream 14: audio (aac), -aid 2, -alang spa, French [lavf] stream 15: audio (aac), -aid 3, -alang eng, Commentary 1 [lavf] stream 16: audio (aac), -aid 4, -alang eng, Commentary 2 VIDEO: [HEVC] 1920x1080 0bpp 23.976 fps 0.0 kbps ( 0.0 kbyte/s) ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family libavcodec version 58.35.100 (external) Mismatching header version 58.18.100 Selected video codec: [ffhevc] vfm: ffmpeg (FFmpeg HEVC / H.265) ========================================================================== Clip info: title: Game Of Thrones Season 4 Disc 4 encoder: libebml v1.3.1 + libmatroska v1.4.2 creation_time: 2015-08-29T17:59:28.000000Z Load subtitles in /media/lubuntu/My Passport/1/2001[...]/Game of Thrones Season 4 (1080p x265 10bit Joy)/ ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 48000 Hz, 6 ch, floatle, 0.0 kbit/0.00% (ratio: 0->1152000) Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio)) ========================================================================== [AO_ALSA] Format floatle is not supported by hardware, trying default. AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample) Starting playback... Could not find matching colorspace - retrying with -vf scale... Opening video filter: [scale] Movie-Aspect is 1.78:1 - prescaling to correct movie aspect. [swscaler @ 0x7f4baf967000]bicubic scaler, from yuv420p10le to yuv420p using MMXEXT [swscaler @ 0x7f4baf967000]using unscaled yuv420p10le -> yuv420p special converter VO: [vdpau] 1920x1080 => 1920x1080 Planar YV12 A: 4.8 V: 2.5 A-V: 2.310 ct: 0.082 0/ 0 181% 32% 6.8% 41 0 ===== PAUSE ===== Exiting... (Quit) lubuntu@lubuntu:/$ xrandr --output HDMI1 --auto warning: output HDMI1 not found; ignoring lubuntu@lubuntu:/$ xrandr --output HDMI-A-0 --auto lubuntu@lubuntu:/$ xrandr --output HDMI --auto warning: output HDMI not found; ignoring lubuntu@lubuntu:/$ xrandr --output HDMI-A-0 --mode 1920x1080 --rate 50 xrandr: cannot find mode 1920x1080 lubuntu@lubuntu:/$ xrandr --output HDMI-A-0 --auto --rate 50 lubuntu@lubuntu:/$ amdgpu-pro amdgpu-pro: command not found lubuntu@lubuntu:/$ sudo apt-get install amdgpu-pro Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package amdgpu-pro lubuntu@lubuntu:/$ mesa-utils mesa-utils: command not found lubuntu@lubuntu:/$ sudo apt-get install mesa-utils Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: mesa-utils 0 upgraded, 1 newly installed, 0 to remove and 332 not upgraded. Need to get 34.2 kB of archives. After this operation, 150 kB of additional disk space will be used. Get:1 http://old-releases.ubuntu.com/ubuntu disco/universe amd64 mesa-utils amd64 8.4.0-1build1 [34.2 kB] Fetched 34.2 kB in 0s (122 kB/s) Selecting previously unselected package mesa-utils. (Reading database ... 218775 files and directories currently installed.) Preparing to unpack .../mesa-utils_8.4.0-1build1_amd64.deb ... Unpacking mesa-utils (8.4.0-1build1) ... Setting up mesa-utils (8.4.0-1build1) ... Processing triggers for man-db (2.8.5-2) ... lubuntu@lubuntu:/$ glxinfo -B name of display: :0 display: :0 screen: 0 direct rendering: Yes Extended renderer info (GLX_MESA_query_renderer): Vendor: X.Org (0x1002) Device: AMD STONEY (DRM 3.27.0, 5.0.0-13-generic, LLVM 8.0.0) (0x98e4) Version: 19.0.2 Accelerated: yes Video memory: 80MB Unified memory: no Preferred profile: core (0x1) Max core profile version: 4.5 Max compat profile version: 4.5 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.2 Memory info (GL_ATI_meminfo): VBO free memory - total: 7 MB, largest block: 7 MB VBO free aux. memory - total: 2857 MB, largest block: 2857 MB Texture free memory - total: 7 MB, largest block: 7 MB Texture free aux. memory - total: 2857 MB, largest block: 2857 MB Renderbuffer free memory - total: 7 MB, largest block: 7 MB Renderbuffer free aux. memory - total: 2857 MB, largest block: 2857 MB Memory info (GL_NVX_gpu_memory_info): Dedicated video memory: 80 MB Total available memory: 2993 MB Currently available dedicated video memory: 7 MB OpenGL vendor string: X.Org OpenGL renderer string: AMD STONEY (DRM 3.27.0, 5.0.0-13-generic, LLVM 8.0.0) OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.0.2 OpenGL core profile shading language version string: 4.50 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL version string: 4.5 (Compatibility Profile) Mesa 19.0.2 OpenGL shading language version string: 4.50 OpenGL context flags: (none) OpenGL profile mask: compatibility profile OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.0.2 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20 lubuntu@lubuntu:/$ xrandr --output "HDMI-A-0" --mode 1920x1080 --rate 50 xrandr: cannot find mode 1920x1080 lubuntu@lubuntu:/$ xrandr --output "HDMI-A-0" --mode 1920x1080 --rate 60 xrandr: cannot find mode 1920x1080 lubuntu@lubuntu:/$ xrandr --output "HDMI-A-0" --mode 1680x1050 --rate 60 xrandr: cannot find mode 1680x1050 lubuntu@lubuntu:/$ xrandr --output "HDMI-A-0" --mode auto xrandr: cannot find mode auto lubuntu@lubuntu:/$ xrandr --output "HDMI-A-0" lubuntu@lubuntu:/$ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 16384 x 16384 eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm 1366x768 60.01*+ 39.97 1280x720 60.01 1024x768 60.01 800x600 60.01 640x480 60.01 HDMI-A-0 disconnected (normal left inverted right x axis y axis) DisplayPort-0 disconnected (normal left inverted right x axis y axis) [...] lubuntu@lubuntu:~$ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 16384 x 16384 eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm 1366x768 60.01*+ 39.97 1280x720 60.01 1024x768 60.01 800x600 60.01 640x480 60.01 HDMI-A-0 disconnected (normal left inverted right x axis y axis) DisplayPort-0 disconnected (normal left inverted right x axis y axis) lubuntu@lubuntu:~$ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 16384 x 16384 eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm 1366x768 60.01*+ 39.97 1280x720 60.01 1024x768 60.01 800x600 60.01 640x480 60.01 HDMI-A-0 disconnected (normal left inverted right x axis y axis) DisplayPort-0 disconnected (normal left inverted right x axis y axis) lubuntu@lubuntu:~$ echo When an HDMI cable was first plugged in "HDMI-A-0" was "connected". The HDMI cable was unplugged then plugged back in multiple times; however, the status of "HDMI-A-0" kept being "disconnected".