Questions tagged [troubleshooting]

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2 answers
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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 ...
0 votes
0 answers
26 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 ...
0 votes
1 answer
217 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 ...
0 votes
0 answers
111 views

Issue with Tor Browser public key [duplicate]

when I run sudo apt-get update, I get the following error message: Err:3 https://deb.torproject.org/torproject.org jammy InRelease The following signatures couldn't be verified because the public key ...
0 votes
0 answers
95 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 ...
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0 votes
0 answers
54 views

root directory out of space - syslog and logdna-agent log files are filled with unknown error messages

The alerts in the log channel popped up saying root filesystem is running out of space and no write operations can be performed. On inspection using ncdu found that the /var/log folder was taking a ...
1 vote
2 answers
991 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 ...
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0 votes
0 answers
187 views

Ubuntu bluetooth can't connect to airpods and settings are crashing

I bought airpods like 2-3 months ago and i used them on my ubuntu machine and everything went fine. Im also using the for my phone and my laptop so i often switch between devices. Normally i can just ...
1 vote
2 answers
358 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 ...
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2 votes
0 answers
85 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 ...
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0 answers
20 views

SSH and Local IP Dockers do not respond, but public containers available

I'm not sure how to start debugging what's happening here, but here's what I'm observing. I have a Intel NUC running Ubuntu 20.04 as my home server. I almost exclusively access it by SSH'ing into from ...
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0 answers
51 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 ...
0 votes
0 answers
33 views

Stuck after starting Ubuntu [duplicate]

My starting gets stuck after logging into Ubuntu and not able to find a solution. Please see the image below. Can this coming from the lack of hard drive size? I have changed the display setting to ...
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0 answers
42 views

Wifi not working at all

I have a dualbooted laptop (Ubuntu and windows 10) and have never been able to access the internet on Ubuntu, I’ve tried things like reinstalling it, trying to update drivers etc. but it never seems ...
0 votes
2 answers
4k 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 ...
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0 answers
85 views

What commands to use to debug Internal Microphone?

I'm new to ubuntu systems and came across an issue where my internal microphone is not picking up any sound anymore. The microphone was working a few days ago, but now it has stopped and I'm not sure ...
-2 votes
1 answer
38 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 ...
0 votes
0 answers
2k 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 ...
3 votes
1 answer
365 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 ...
3 votes
4 answers
2k views

How do I diagnose my issue, when I'm not sure if it is a hardware or software issue? [closed]

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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0 votes
0 answers
9 views

Audio Connection troubleshoot

Am really tired of restarting my system every time an audio device is disconnected, it will mostly not be found. I wish it was as easy as plugging it in again as you would in Windows 11. for a "...
0 votes
0 answers
261 views

20.04 no internet , DNS sys broken, troubleshooting/solution req:

As in header 20.04.3 , LTS had internet and all, after reboot no more internet ping test: 127.0.0.1 is ok, 127.0.0.52 is ok (local resolvd something) gateway IP is ok (confirming the net towards ...
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0 votes
0 answers
349 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 ...
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0 answers
70 views

initramfs shows up when I use Ubuntu Studio 20.04

I have a strange problem: Ubuntu Studio is on another hard drive. I don't use it every day, but when I open Ubuntu Studio 20.04, an error with initramfs shows up. I tried to use a live CD and used the ...
1 vote
1 answer
469 views

How to troubleshoot wifi

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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0 votes
0 answers
22 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, ...
2 votes
0 answers
56 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 ...
0 votes
1 answer
362 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 ...
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0 votes
1 answer
102 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 ...
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....
0 votes
2 answers
290 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 ...
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 ...
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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 ...
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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 ...
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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. ...
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0 votes
1 answer
294 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 ...
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3 votes
0 answers
502 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 ...
0 votes
1 answer
558 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 ...
14 votes
10 answers
90k 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 ...
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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 ...
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0 votes
1 answer
309 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 ...
1 vote
1 answer
229 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 ...
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-2 votes
1 answer
875 views

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
1k views

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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8 votes
1 answer
8k views

I have 4 bad sectors on my hard disk, should I be worried?

I use Ubuntu 14.04 LTS. Here are some screenshots that depict the condition of my hard drive. It shows that my hard drive has 4 bad sectors. Is this something to worry about? Is there any way to solve ...
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1 vote
3 answers
4k views

Automatically being logged out in Lubuntu (openbox)

I get automatically logged-out every now and then of my PC. I use Lubuntu 14.04, which has openbox, LXDE. I didn't installed neither openbox nor LXDE by myself. It happens when I turn-off the wifi, ...
1 vote
0 answers
271 views

When can I suspend do-release-upgrade? What's the risk? [duplicate]

I had to suspend a running do-release-upgrade, after it was already going on an hour or so. Doing Ctrl+z was easy, the program did stop. Understanding what that means, technically, seems to be ...
0 votes
0 answers
76 views

Recent Update Issue [duplicate]

I updated my Ubuntu 12.04 server yesterday with the latest updates and now when Ubuntu starts it is in a really strange state. A purple screen comes up but there are no Unity icons and I can't really ...
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5 votes
2 answers
1k views

Advice for troubleshooting a (url) preseed file?

I'm working on my first preseed file, and to avoid having to re-burn a DVD every time I make a change, I'm hosting it on a webserver and loading it with preseed/url=... To load the preseed, I'm ...
0 votes
1 answer
969 views

Very bad FPS on DOTA 2 with Ubuntu 13.10 using HD7770

I am having very bad FPS on DOTA 2 native. I am using: Ubuntu 13.10 for X64 bit systems AMD FX-6300 CPU 8GB DDR3 - 1600MHZ Radeon 7770 GHZ Edition with 14.1 Beta Drivers What I have tried up so far:...