Questions tagged [troubleshooting]

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Trouble with Upgrading! [duplicate]

I had previously problem with updating but idk how I solved it and now again can someone please help me! I am using ubuntu server 22.04.3: https://i.stack.imgur.com/6Mydj.jpg
user21196187's user avatar
-5 votes
0 answers
74 views

Error in logging into Ubuntu 20.04

Error in logging into Ubuntu 20.04. I am facing an issue and unable to open Ubuntu account to do any activities. Please resolve the issue as I have tried with multiple commands but still it didn't ...
Pikaschu's user avatar
0 votes
0 answers
23 views

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? ...
masterkadaj's user avatar
1 vote
0 answers
70 views

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 ...
Raviteja K V N S's user avatar
0 votes
0 answers
193 views

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 ...
Aman Sinha's user avatar
1 vote
1 answer
201 views

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 ...
Stefan Miljković's user avatar
3 votes
1 answer
1k views

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 ...
boonslang's user avatar
0 votes
0 answers
49 views

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" ...
boonslang's user avatar
0 votes
1 answer
371 views

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 ...
jgomo3's user avatar
  • 716
0 votes
0 answers
69 views

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. ...
Nickh129's user avatar
0 votes
1 answer
265 views

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 ...
arrangegrassseeds's user avatar
0 votes
0 answers
39 views

Certain areas suddenly became unclickable in Ubuntu 23.04

Some areas on the top right under the battery indicator (especially for close, maximize, minimize) suddenly became unclickable when opening any app, but when opening File Explorer the area returned to ...
Peter Kristiawan's user avatar
0 votes
0 answers
196 views

Slow internet connection How to investigate?

About 2 days ago the internet on my laptop (dell vostro 3550/Ubuntu 22.04) suddenly became pretty slow. The internet is working fine when I connect from an Android phone. So, how can I investigate the ...
Lucas Rocha's user avatar
1 vote
1 answer
442 views

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 ...
Mete's user avatar
  • 27
0 votes
1 answer
186 views

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 ...
Sergio Pantano's user avatar
3 votes
1 answer
827 views

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 ...
AngeM's user avatar
  • 33
0 votes
0 answers
20 views

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 ...
Karen Hobbs's user avatar
0 votes
0 answers
3k views

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? ######################################################...
Spar's user avatar
  • 101
0 votes
1 answer
350 views

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 ...
Paulo Cesar's user avatar
0 votes
1 answer
292 views

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 ...
user1625422's user avatar
0 votes
1 answer
604 views

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 ...
Rob Hills's user avatar
0 votes
0 answers
217 views

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 ...
Austin's user avatar
  • 1
1 vote
2 answers
1k views

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 ...
user avatar
1 vote
2 answers
748 views

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 ...
cactus's user avatar
  • 21
2 votes
0 answers
250 views

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 ...
Dev chimp's user avatar
0 votes
0 answers
61 views

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 ...
himnaejah's user avatar
0 votes
3 answers
21k views

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 ...
Abindra Raj Dangol's user avatar
-2 votes
1 answer
54 views

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 ...
tomeraz's user avatar
  • 101
0 votes
1 answer
3k views

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 ...
Henry Stanley's user avatar
3 votes
1 answer
912 views

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 ...
bigdawg710's user avatar
5 votes
4 answers
6k views

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?
cocomac's user avatar
  • 3,338
0 votes
0 answers
487 views

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 ...
SuperLeo's user avatar
3 votes
1 answer
671 views

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 ...
Error404's user avatar
  • 7,380
0 votes
0 answers
25 views

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, ...
Seth Martineau's user avatar
2 votes
0 answers
67 views

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 ...
Arthur Z's user avatar
0 votes
1 answer
457 views

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 ...
Will's user avatar
  • 2,282
0 votes
1 answer
106 views

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 ...
prateek's user avatar
1 vote
1 answer
128 views

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....
hulkingtickets's user avatar
0 votes
2 answers
292 views

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 ...
Arden Rasmussen's user avatar
1 vote
1 answer
92 views

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 ...
matt.'s user avatar
  • 113
6 votes
3 answers
7k views

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 ...
skyking's user avatar
  • 393
0 votes
1 answer
3k views

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 ...
RiddleMeThis's user avatar
  • 1,076
0 votes
0 answers
15 views

apt-get detects no package [duplicate]

I have a problem which is probably linked to the internet problems. I have an ubuntu 14.04 LTS as a partition on MBP, and I have very recently got the Wi-Fi driver working. However, it is very slow. ...
John K's user avatar
  • 455
0 votes
1 answer
303 views

unable to format sony usb 8gb drive

when i inserted the drive the files are appearing like this but when i rightclicked on that path it is showing create folder and create file options.but when i tried to create it it is giving an ...
ashok's user avatar
  • 271
3 votes
0 answers
507 views

Bluetooth stopped working suddenly

I am not able to see bluetooth symbol on the panel. I checked with Unity Tweak Tool and there is a tick mark for bluetooth. Further, I ran the command sudo service bluetooth status and it gave ...
Tasdik Rahman's user avatar
0 votes
1 answer
597 views

Can't install steam on ubuntu, i'm on a chromebook

I installed Ubuntu on my chromebook with sh -e ~/Downloads/crouton -r trusty -t kde I thought that all was good in the world, but when I install steam from their website, run it through the ...
Casey Stadick's user avatar
17 votes
10 answers
108k views

How to fix blank screen with mouse pointer on Ubuntu install reboot?

I am trying to re-purpose my Dell Inspiron 8600 with Ubuntu 14.04 to be used as a low scale HTPC. Here is what I have done so far. I have created a live USB for installation. I had to force pae ...
Jason's user avatar
  • 171
3 votes
1 answer
7k views

Sanddisk drive write protected

My sanddisk usb write protected i tried ashokkrishna@ashokkrishna-Lenovo-B560:~$ sudo mount -o rw /dev/sdc1 /mnt mount: block device /dev/sdc1 is write-protected, mounting read-only # sudo mkfs -t ...
ashok's user avatar
  • 271
0 votes
1 answer
312 views

Minetest crashes when checking the "public server list" box

I think this has something to do with libjsoncpp. There is a patch, a .diff file but I don't know how to use it. Please help, it worked fine when I installed Ubuntu with wubi.exe. Please help, I don't ...
Hex Luther's user avatar
1 vote
1 answer
236 views

Cannot make a screenshot using Print-key on Gnome 3.10

I use Ubuntu 14.04 with GNOME shell 3.10.4. Pressing the [Print]-key will cause the screen to shortly turn dark - as it seems to be custom on Ubuntu for capturing a screen. But afterwards there is no ...
Raffael's user avatar
  • 3,771