Questions tagged [troubleshooting]
Do not use! This is a very general tag - please use a more specific tag to describe your problem.
158
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Shutdown and Restart Issue on Dell Optiplex 7040: Need Help!
I'm experiencing a strange problem with my Dell Optiplex 7040. The startup goes smoothly, but things get complicated when I try to shut it down.
When I turn off the computer, it doesn’t completely ...
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1
answer
31
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On boot after I said yes it shows yyyyyyy on the left side
I have a Lenovo ThinkPad T440p laptop that I bought secondhand. It does not boot. It just shows [initramfs] On boot after I said yes it shows yyyyyyy on the left side of the screen. What do I do now? ...
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1
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UUID changed && Droping to shell
Help a linux beginner!!
Last thing I did on my ubuntu was trying to uninstall Wine and trying to pass a few files to my external drive. I might have fucked up some partition while doing that, but smt ...
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How to troubleshoot pymol downloaded from repository?
In my Ubuntu device 24.04 LTS I am downloading pymol from repository by using sudo apt-get install -y pymol. I am successfully installing pymol but whenever I am trying to open it, its shows nothing ...
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Can someone help me with google chrome error showing profile in use?
The error message is as follows,
terminal-dogma@banshee:~/Softwares$ google-chrome
[37887:37887:0808/165922.595508:ERROR:process_singleton_posix.cc(353)]
The profile appears to be in use by another ...
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59
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Spam In Terminal and code editors ^[[2~^[[2~^[[2~^[[2~^[[2~^
I’m encountering an issue with my Ubuntu system where unwanted characters like ^[[2~^[[2~^[[2~^[[2~^[[2~ start spamming in the terminal whenever I begin typing. This issue continues until I press ...
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1
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148
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How can I solve the problem"dpkg was interrupted"
when I try to run the command "sudo dpkg --configure -a " it didn't go anywhere after saying "Pregenerating ConTeXt MarkIV format. This may take some time..."
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192
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Integrated Fingerprint Sensor not recognized by Ubuntu
I'm having trouble getting the fingerprint sensor on my laptop working on Ubuntu. The fingerprint sensor is integrated into the touchpad. Here are the details:
System Information:
Laptop model: ...
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26
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How to set Ubuntu Loaded USB as boot option through BIOS
My pc is black screen after the loading screen. I'm trying to set the usb with Ubuntu as the first boot option so i can get into the computer. I've tried going to boot options -> add boot option -&...
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1
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158
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Enter key "stuck" after opening application after 24.04
When opening a new program such as Firefox Ubuntu keeps spamming the Enter key.
For example, if I am in Visual Studio Code, about 100 new lines are created.
I haven't experienced this issue before. I ...
- 123
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1k
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Ubuntu 22.04 and 24.04 wake up immediately (fixed)
Yesterday, I installed a clean installation of Ubuntu 24.04. At first, the sleep feature seemed to work properly. Then I installed some packages (both snap and deb packages). Today, I noticed that ...
- 277
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Why won’t Ubuntu make it past the boot messages screen?
After trying to install dependencies for FUSE (and forgetting for an hour and a half that apt install exists) I restarted my PC and it no longer boots on any kernel. I attached a photo of what I get ...
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30
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nil pointer warning on wsl start
Good day, everyone!
After upgrade wsl from 1 to 2 I've started to recieve a warning on wsl start:
: nil pointer evaluating template.Data.Command
Any ideas what is that and how to solve this problem? ...
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0
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99
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Home folders are appearing on the desktop
Every time I login to Ubuntu, I see all the Home folders: Documents, Downloads, Videos, Music, etc. are all appearing on the desktop with red cross mark. It is not a shortcut, if I delete them on the ...
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421
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Wifi icon is not displaying in Ubuntu 20.04
In Settings app -> Network category, I am not getting wireless connection section and also the wifi icon is not displaying neither in the top right dropdown menu nor in the network Settings. In the ...
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1
answer
257
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WiFi randomly crashing every 15 seconds
I just installed Ubuntu on my own 2 days ago. I noticed that my wifi randomly crashes every 15 seconds or so. I have no clue how to fix it whatsoever. Thank you in advance!
EDIT: Thanks for viewing my ...
3
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1
answer
5k
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gdm.service preventing boot
I'm using Ubuntu Desktop 23.10. I've tried every suggestion in this thread as well as many others online, but I cannot get back into the Ubuntu GUI/GNOME desktop environment. I'm using Ubuntu 23.10 ...
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49
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Can't install .deb files (or any packages, it seems) [duplicate]
I just installed ubuntu, and anytime I try to open a .deb file, it just opens up in the archive manager. When I try to open with another application, there's no option for "software install" ...
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1
answer
545
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Webcam stoped working after upgrading from 20.04 to 23.04
I have this USB webcam that was working fine until I upgraded from 20.04 to 23.04.
The webcam still works on Ubuntu 22.04 (I've just tested it on another machine).
UPDATE: I also tested in 23.10 and ...
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71
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Can't access any websites on wifi. I used to be able to before it auto updated [duplicate]
Edit 2: the advice on the similar question (which didn't look like quite the same problem) didn't help. Still can't get any websites to work.
I'm using Ubuntu 22.04.3 on an old Dell Latitude E3410. ...
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1
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622
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System randomly closes apps
I am experiencing some odd behavior with my Ubuntu 22.04. I installed this about 3 weeks ago and if I am using my browser and vscode together and I am not using a vpn, then both my browser and ide ...
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1
answer
699
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I connect to the router but cannot connect to the internet Ubuntu 20.04
I am having an issue with connecting to internet over my home network. I can definitely connect to the router, I can send ping to the router address, I can even see that my laptop is connected to the ...
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258
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After a few hours of non-use, Ubuntu 22.04 freezes
I want my Ubuntu 22.04 to stay on all the time. But after a few hours of non-use, the system freezes completely, locks the mouse, keyboard, and requires a physical reboot.
How can I find out what is ...
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1
answer
1k
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How do I know if Ubuntu 22.04 has any virus?
I have a Windows / Ubuntu 22.04 dual boot. I get screen artifacts as shown below.
At that moment, what I restarted Ubuntu. When it turned on, it no longer appeared and, until now all the applications ...
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At grub rescue> prompt but the keyboard is not responding although it's connected [duplicate]
I'm running Ubuntu 20 or 21. I had rebooted because stupid Firefox froze. Honestly I do not know what message was, duh did not record it. I rebooted and received a message of chassis intrusion ...
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3k
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Wi-Fi Adapter Not Found Ubuntu 22.04
Wifi Adapter not found in recently installed Ubuntu 22.04.
Here is the script I just run (I tried to remove some sensitive data):
Can anyone help?
######################################################...
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366
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Ubuntu 22.04 got messed after some software upgrades
Moments ago I upgraded some packages in my Ubuntu 22.04 (the software updater asked me to upgrade some packages and I said yes).
I noticed that oddly some of the packages in the software updater were ...
- 71
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1
answer
428
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Clicking Upgrade for LTS 22.04 not working
I've been prompted everyday since the latest LTS has become available and when I click to upgrade nothing happens. I've looked online and followed guidelines for updating and upgrading my system ...
- 21
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1
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820
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Failed to reboot after upgrade from 20.04 to 22.04 - is LVM the problem?
AFAICT, my problem is different from others with this same title.
My computer is a HP Proliant MicroServer.
It was running Ubuntu Desktop 20.04 without any problems and was fully up to date before I ...
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240
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cannot adjust brightness
I slide the brightness slider under the volume control in the upper right corner, but no avail. I hold the fn key and tap F8 and F9 with no change in screen brightness. Keyboard backlight control ...
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2
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1k
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Trouble Running Ubuntu 20.04 on Windows 11 Surface Book 2: Trying to the green and blue part to match my instructor's
I am taking the Google IT Support Specialist course on Google, I am using Ubuntu 20.04, with a Surface Book 2, with Windows 11 capability, and I need help with trying to get my code to follow that of ...
user1612247
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2
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831
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Ubuntu 18.04 LTS slow boot and problems after update
I have ubuntu 18.04 LTS installed in my machine. Since the last update (kernel 4.15.0-176-generic) the machine is very slow to boot (login) and there are problems after the login (slow and laggy).
At ...
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322
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PC restarts after playing a vlc video for some time --troubleshooting
I've bought a new pc setup a couple of days ago and installed Ubuntu on the machine. When I play a certain video, it restarts after a while on VLC. Playing videos on YouTube doesn't cause this problem ...
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Ubuntu v20.04 troubleshooting login problem
After having some login issues, I've reinstalled Ubuntu and it seemed to work fine until yesterday night. It started having login issues again, I've entered the recovery mode and everything seems to ...
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3
answers
25k
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Got "dev/sda3: clean" message, then it got stuck there, and won't boot further
I have installed Ubuntu 20.04. Yesterday when I tried to boot my system I got an /dev/sda3: clean .... message.
It seems to check the file system but the numbers didn't change. I waited for it to ...
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1
answer
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Headphones 3.5 jack stopped adding headphones as sound output device on ubuntu 20.04
My laptop is Thinkpad E480. I was able to use headphones up until a few hours ago.
My built in speakers played sound on really low volume so I enabled over-amplification on sound settings.
Ever since ...
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1
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4k
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dns probe finished nxdomain linux ubuntu 20.04
I'm having problems with my DNS in Ubuntu. The webpage won't show up. I've been trouble shooting for hours.
I have tried clearing the cache but none of the commands work.
I have tried it this way ...
2
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1
answer
1k
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Installing drivers for Linksys Wireless WUSB6300 Adapter on Ubuntu 20.04
I am trying to get the drivers for this working on my mom's computer, I have followed every tutorial that I have found and nothing has worked properly. Can someone please help me out? I am using ...
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4
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How do I diagnose my issue, when I'm not sure if it is a hardware or software issue?
I'm having some issue. I'm not sure if it is a hardware issue or a software issue, but I'd like to determine the cause of the issue so I can fix it. How can I do that?
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504
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Ubuntu 20.04 Wifi disapears after kernel update
I have a recurrent issue with Ubuntu 20.04, which works fine otherwise. Every now and then, general updating triggers a kernel update. After rebooting, and not before, my Wifi disappears and I cannot ...
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1
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722
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How to troubleshoot wifi [duplicate]
Note:
This is an attempt to create a canonical question that covers all
instances of "not-working Wifi" issues.
If you are experiencing a not-working Wifi, but none of the following answers ...
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My Ubuntu USB Boot Drive Prompts nothing on startup?
Hello Ubuntu Community.
I'm trying to set up a USB Live Boot from my Windows 10 machine, but I'm not having any success. I've used Rufus dozens of times with varying configurations, ran block scans, ...
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Why does my mouse's USB dongle prevents the WIFI card from being recognized
I recently bought a Bluetooth mouse, and stumbled up upon a really annoying problem. After using the mouse for a few hours, I rebooted my ubuntu (uname -r gives 5.11.0-37-generic) and my Wifi Card ...
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503
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How to troubleshoot a trackpad/touchpad?
Note:
This is an attempt to create a canonical question that covers all
instances of "not-working trackpad" issues.
If you are experiencing a not-working touchpad, but none of the following ...
- 2,434
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1
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108
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Ubuntu 14.04 unable to establish Ethernet or WiFi connection
I recently installed Ubuntu 14.04 on dual boot with Windows 7 on separate HDD. I went through several threads regarding connection problems but I didn't understand them much as I have never used Linux ...
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1
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129
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Limiting the perfomance of a graphics card to prevent an error [closed]
I have a pc with some problem either with the graphic card or with it's interface.
When i use the pc at max resolution it doesn't work or get stuck. But when i reduce the resolution somewhat it works....
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2
answers
293
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Ubuntu install hangs on third menu
I am attempting to install Ubuntu 15 onto another desktop of mine. I currently have it installed on three other computers. The problem that I am having is that during the installation set up the ...
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1
answer
93
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Ubuntu - Install Alongside Windows 7
I've got Windows 7 installed on my machine with the drive split in 3 partitions, the 2 that windows makes and 1 for backup. The drive has roughly 400gb unallocated space.
When attempting to install ...
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3
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7k
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How can I troubleshoot `apt-get update` giving Hash Sum mismatch
When I run apt-get update I get in the end
Fetched 22.4 MB in 4s (4,659 kB/s)
W: Failed to fetch http://192.168.1.11/ubuntu/dists/utopic/main/binary-amd64/Packages Hash Sum ...
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3k
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USB 2.0 port not working
And that goes for every of mine External HDDs, USB 3.0 ports are working fine. When I connect mouse receiver in it (2.0), it's working fine.
lsusb output when connected to usb 2.0:
Bus 002 Device ...
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