Ubuntu 20.04 – Boot Problems

I was a Windows user for a long time. But i found Ubuntu 20.04 more good. So, i switched to it ( Dual Boot) . The only problem with Ubuntu is boot problems. I frequently end up stuck on the boot screen.
I updated my kernel and ubuntu stopped working. It get stuck on reboot.

Sometimes, i type in terminal sudo reboot to reboot my pc.
The logo of ubuntu comes. After few seconds black screen come and then again ubuntu screen come. Then a forever black screen come.
After, this i changed some Grub file settings ( of splash screen) it worked. But then my Nvidia X server settings became empty. Then i switched to newer Nvidia driver. Then black screen came.

I don’t know, i fix a bug to get another bug in Ubuntu. Sometimes, i just reinstall ubuntu.

gnome – how can i use amazon kindle on ubuntu 20.04 LTS?

The version of my system is ubuntu 20.04 and of wine is wine-5.0 (Ubuntu 5.0-3ubuntu1)

Pictures screenfetch 
                          ./+o+-       liuqin19980818@liuqin19980818-ThinkPad-X2100
                  yyyyy- -yyyyyy+      OS: Ubuntu 20.04 focal
               ://+//////-yyyyyyo      Kernel: x86_64 Linux 5.4.0-54-generic
           .++ .:/++++++/-.+sss/`      Uptime: 7h 1m
         .:++o:  /++++++++/:--:/-      Packages: 2300
        o:+o+:++.`..```.-/oo+++++/     Shell: zsh 5.8
       .:+o:+o/.          `+sssoo+/    Resolution: 1440x1700
  .++/+:+oo+o:`             /sssooo.   DE: GNOME 3.36.4
 /+++//+:`oo+o               /::--:.   WM: Mutter
 +/+o+++`o++o               ++////.   WM Theme: Adwaita
  .++.o+++oo+:`             /dddhhh.   GTK Theme: Yaru-light (GTK2/3)
       .+.o+oo:.          `oddhhhh+    Icon Theme: Papirus
        +.++o+o``-````.:ohdhhhhh+     Font: Roboto 11
         `:o+++ `ohhhhhhhhyo++os:      Disk: 61G / 143G (45%)
           .o:`.syhhhhhhh/.oo++o`      CPU: Intel Core2 Duo P8600 @ 2x 2.401GHz
               /osyyyyyyo++ooo+++/     GPU: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
                   ````` +oo+++o:     RAM: 2761MiB / 7858MiB

and i can not use it with this picture
enter image description here

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
    CRTC:       0
    CRTCs:      0
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
    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
    CRTC:       1
    CRTCs:      1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
    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?

grub2 – “This is not a bootable device ” after installing Ubuntu 20.04

Ubuntu boot file
Not a bootable device
I’m Using HP notebook – 15-bs576tx.
I recently bought a wd ssd of 500gb SATA M2. I backed up everything that was on my 1TB HDD. Clean wiped everything and started to Install Ubuntu. Installation finished no issues there. But I’m not able to boot into Ubuntu directly. It shows “This is not a bootable device ….. Grub rescue”
But if i restart and change the boot device to “Boot from EFI file” and select the “grubx64.efi” from the Ubuntu option shown in the EFI menu it boots up perfectly.
Is there any way to directly boot into Ubuntu rather than going into boot devices and changing these ?
PS: I have checked a lot of these questions on the internet , but i couldn’t find any that helps. I tried almost every solution i found but nothing helps.

Alternative popup notifications on Ubuntu 20.04 – Mate?

Since the upgrade to 20.04, I have switched to Mate due to it being the most similar interface Gnome (flashback) which is what I used on 18.04 and no longer works correctly.

I am trying to work out a way of changing the notifications for things such as emails, messages on skype, discord and other social media stuff as well as music tracks playing.

The area I’ve looked is in the Mate Control Centre and “Popup Notifications”. I have it at the top right which is the default, but there are a couple of things I can’t find a way to change. The program seems very restricted regarding options. It shows up to 5 notifications at once, one under another which I consider to be excessive. On 18.04 and gnome flashback, it showed one notification and wouldn’t show another if it was still there which kept things minimal.

Mate Control Center “Popup Notifications” Preview test

The other problem is that I can’t find a way to keep the notifications brief such as only showing a certain number of characters. I’m used to it limiting the length and ending the words with several dots so that the popup sign never exceeded a certain size and was consistent. Now it at times is huge.

This is an example below of an overly long track name on Spotify that is hardly just a notification on the top right any more. I understand that is the track name, but why can’t the notifications all be the same size?

Excessively long “notification” for a music track that is playing

The same happens if a link or long message is shared via chat and sometimes, one message can take up nearly 25% of my desktop space. All I need is a brief notification, not seeing the entire message at once as well as sometimes multiple at once. It also doesn’t pop up every time so it seems somewhat unreliable.

Are there any add-ons I can install that are more reminiscent of the old Gnome (flashback) that are specifically for notifications or is there something more obvious in the preferences I’m missing?


networking – Random network disconnects (Ubuntu 20.04)

I recently had to move my lab ubuntu server (20.04) to another VLAN. Technically, the entire network bit it and I had to reset it all up and I cleaned up some VLANs in the process. The IP is assigned by the router and I’ve confirmed that the server has picked up the new IP. For the most part the box is available and connected to the network. However, the connectivity frequently drops. Once it drops it typically comes back within a minute or so with no intervention. It’s driving me nuts. I’ve pulled the box and stuck on my desk with a keyboard and monitor attached so I can try and diagnose when the problem occurs but I’m not exactly sure how to do that. Any thoughts here? I upgraded from 18 to 20 in the magical hopes it would solve the problem. I might just wipe and reinstall. The box is only running docker so that might be an easier path.

boot – The ubuntu 20.04 stucked at the starting screen

Ubuntu stucked as my computer shut down automatically I think because of some power failure i tried going to recovery mode f.. I dont remeber command its not working showing an error that the disk is mounted and when I tried to reboot again the ubuntu again stucked at the spinning symbol any solution for this ?
And I had installed the sys yesterday and its showing disk space full although i have allocated 90 gb to it i think some process stucked and it happen, I am beginner at the ubuntu anyone please help!!

io – VCD read fails in Ubuntu 20.04, while it doesn’t in Windows 10

In Windows, I may read a VCD’s content and play it without any problem. On the same machine and the same drive, in Linux (Ubuntu 20.04), it’s not read and I get I/O error. The size if also reported differently. In Windows the AVSEQ01.DAT file size is 724MB and in Linux it’s 625MB!
I think it’s a trick to prevent the VCD to be able to be copied. Maybe if I would install older versions of Windows than 10 I would encounter the same problem as Linux does. It seems that Windows 10 knows the trick and overcomes it, but Linux doesn’t, although it’s just a guess and I’m not sure about it.
Any idea?

Topaz Signature pad on Ubuntu 20.04. Any help?

I have a Topaz Signature pad that I was able to use via Windows, but I can’t get it to work on Ubuntu 20.04. Any help? I see that Topaz Systems does offer the following: a C Library and a SigPlus Java API. Apparently, the company only does coding for Windows and Mac environments.

I am a novice at Linux and Ubuntu, but I can learn rather quickly. I would love to incorporate this pad into obtaining signatures for signing online forms. Any thoughts / suggestions?