Questions tagged [troubleshooting]
Do not use! This is a very general tag - please use a more specific tag to describe your problem.
148
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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 ...
1
vote
1
answer
161
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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 ...
2
votes
1
answer
226
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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 ...
- 29
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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
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147
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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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69
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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
answer
139
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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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33
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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 ...
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161
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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 ...
1
vote
1
answer
263
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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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88
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Microphone input not working in Ubuntu 22.10
I am with Ubuntu 22.10 and my microphone doesn't work. I have output sound on the computer, but doesn't receive any input. The input device is a Comet Lake PCH-LP cAVS.
When I turn on my Bluetooth ...
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1
answer
169
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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 ...
3
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1
answer
558
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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 ...
- 33
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20
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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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2k
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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?
######################################################...
- 101
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52
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Boot gets hung up Ubuntu 22.04.1
I have been trying to find a fix for this but my laptop gets hung up on boot and freezes into a black screen. These are the failing boot.log parts but it seems from researching this page and the web ...
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334
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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 ...
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1
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226
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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 ...
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1
answer
523
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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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212
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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
answers
711
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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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2
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212
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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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61
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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
17k
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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
52
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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 ...
- 101
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1
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3k
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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 ...
3
votes
1
answer
767
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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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4
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5k
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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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468
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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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638
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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 ...
- 7,130
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25
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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, ...
2
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answers
60
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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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1
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423
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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 ...
- 2,225
0
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106
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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
answer
128
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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....
- 111
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2
answers
291
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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 ...
1
vote
1
answer
92
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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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6
votes
3
answers
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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1
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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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15
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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. ...
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299
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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 ...
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3
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506
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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 ...
- 447
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1
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591
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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 ...
17
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10
answers
104k
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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 ...
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3
votes
1
answer
7k
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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 ...
- 261
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310
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 ...
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1
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234
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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 ...
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-2
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1
answer
877
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14.04 microphone noice buzzing sounds
My Microphone started acting up badly this morning has a loud buzz, it has got to be software it was working fine last night installed updates and shutdown last night and boom here we are, oh and i ...
1
vote
1
answer
2k
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General tips/ strategies for troubleshooting driver issues?
Before I ask a question about each of the multiple driver issues I am having, what are some things I can do to either attempt to fix the issues myself or to at least provide helpful information in my ...
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