multiple monitors – Can’t set 2560×1440 resolution on Ubuntu 20.04 with Intel Graphics Card

So I have an HP monitor attached to my laptop as an external monitor. The documentation for the monitor says that the optimum resolution using their supplied HDMI cable is 2560×1440 @ 60 Hz. When I boot into Windows, I can get that resolution. But no matter what I try, I can’t get that resolution in Ubuntu 20.04.

I do not have a DisplayPort connection on my laptop, so I am using the supplied HDMI cable.

I’ve tried to set the resolution using xrandr --admode, but the new mode fails:

$ cvt 2560 1440 60
# 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz
Modeline "2560x1440_60.00"  312.25  2560 2752 3024 3488  1440 1443 1448 1493 -hsync +vsync
$ xrandr --newmode "2560x1440" 312.25  2560 2752 3024 3488  1440 1443 1448 1493 -hsync +vsync
$ xrandr --addmode XWAYLAND1 2560x1440
$ xrandr --output XWAYLAND1 --mode 2560x1440
xrandr: Configure crtc 1 failed

Here’s the output of xrandr --verbose:

Screen 0: minimum 16 x 16, current 3840 x 1441, maximum 32767 x 32767
XWAYLAND0 connected 1920x1080+1920+361 (0x24) normal (normal left inverted right x axis y axis) 290mm x 170mm
    Identifier: 0x21
    Timestamp:  20221
    Subpixel:   unknown
    Gamma:      1.0:1.0:1.0
    Brightness: 0.0
    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: 
    non-desktop: 0 
        supported: 0, 1
  1920x1080 (0x24) 173.000MHz -HSync +VSync *current +preferred
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock  67.16KHz
        v: height 1080 start 1083 end 1088 total 1120           clock  59.96Hz
XWAYLAND1 connected 1920x1200+0+0 (0x25) normal (normal left inverted right x axis y axis) 600mm x 340mm
    Identifier: 0x23
    Timestamp:  20221
    Subpixel:   unknown
    Gamma:      1.0:1.0:1.0
    Brightness: 0.0
    Clones:    
    CRTC:       1
    CRTCs:      1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    non-desktop: 0 
        supported: 0, 1
  1920x1200 (0x25) 193.250MHz -HSync +VSync *current +preferred
        h: width  1920 start 2056 end 2256 total 2592 skew    0 clock  74.56KHz
        v: height 1200 start 1203 end 1209 total 1245           clock  59.88Hz

Here’s the output of lspci -k | grep -EA3 'VGA|3D|Display'

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)
    DeviceName:  Onboard IGD
    Subsystem: Dell HD Graphics 620
    Kernel driver in use: i915
--
00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21)
    Subsystem: Dell Sunrise Point-LP Integrated Sensor Hub
    Kernel driver in use: intel_ish_ipc
    Kernel modules: intel_ish_ipc

And glxinfo | grep -i vendor:

server glx vendor string: SGI
client glx vendor string: Mesa Project and SGI
    Vendor: Intel (0x8086)
OpenGL vendor string: Intel

I’m running Ubuntu 20.04.1 LTS with a Mesa Intel® HD Graphics 620 (KBL GT2) card. The Gnome Version is 3.35.3 with Wayland as the windowing system.

Any advice on how to get the monitor to display the optimum resolution?

restore – How to get video and audio from DVR (WFS0.4) on a camera’s SD card?

I have an almost no-name camera from the vendor viguard. Some time ago I needed to get the recorded video from the card.

The problem is that I need to get it for about 15 days, but legally I can receive video only through the proprietary 360eyes application. Everything is aggravated by the fact that I can’t just start recording for 15 days: the proprietary 360eyes interrupts the broadcast every 10-15 minutes.

It turns out that all that remains is to receive video directly from the memory card. Using X-Ways Forensics, I transferred the SD data to a binary file, and also recorded it to another SD for experiments (unfortunately, none of the experiments ended successfully). In the end, the most useful thing I got from the file is the name of the camera’s file system: WFS0.4.

I tried to read the data using DVR Examiner, but the result was very bad: video without sound and with terrible floating noise.

I realized that I would have to write a program to read viguard’s WFS0.4 myself.

Does WFS0.4 have some specification (I couldn’t find any specification)? For example, what format the video (images) is stored in, how it is compressed, how audio is stored, and so on. All I found were bits and pieces. Maybe someone with experience?

I can’t figure out if this is a military secret or something. Well, there is almost nothing about WFS. Where did this come from? When? Who came up with the name and what does it mean?

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filemanager – Accessing Memory Card on Epson WF-7510

When I try to access the memory card in the printer, I am prompted for a password. What password? It seems to accept none that would relate to either the PC or the printer itself and it’s not clear what it wants. Pardon the double-negative but does not accept no password either.

The password popup is pre-populated with my Ubuntu user name and it shows the Domain which is actually the WiFi SSID as I am not using a domain. Neither the user name nor the domain are editable in the popup. I did enable WiFi file sharing on the printer itself and am running Ubuntu 20.10.