All Questions
57,321
questions
536
votes
33
answers
2.0m
views
My computer boots to a black screen, what options do I have to fix it?
I am trying to boot Ubuntu on my computer. When I boot Ubuntu, it boots to a black screen. How can I fix this?
Table of Contents:
If you are trying to install Ubuntu
If you have a dual boot system
...
583
votes
12
answers
1.8m
views
How do I install Ubuntu alongside a pre-installed Windows with UEFI?
I'm absolutely new to Linux. I would like to know how to install Ubuntu alongside the pre-installed Windows 8+ OS.
Should I do it with Wubi, or through the Live USB/DVD?
What steps do I need to take ...
179
votes
3
answers
219k
views
How do I install Ubuntu?
I would like to see a full how-to guide on how to install Ubuntu.
yehhhimanshu
670
votes
15
answers
1.5m
views
How do I resolve unmet dependencies after adding a PPA?
Occasionally, when I'm installing stuff, I get an error like the following:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the ...
- 61k
408
votes
43
answers
1.9m
views
Installing Broadcom Wireless Drivers
I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible.
What are the steps to install Broadcom wireless drivers ...
510
votes
13
answers
722k
views
How to install software or upgrade from an old unsupported release?
Recently I have installed an older version of Ubuntu on my old machine. Whenever I try to install any software, I get an error saying it couldn't be found:
$ sudo apt-get install vlc
Reading package ...
- 5,253
486
votes
7
answers
67k
views
How do I report a bug?
I found a problem with an application on Ubuntu.
Questions :
How do I best report the issue?
What sort of information should I provide?
- 37.5k
433
votes
14
answers
1.1m
views
How can I repair grub? (How to get Ubuntu back after installing Windows?)
I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu.
How can I get Ubuntu back?
- 4,881
149
votes
4
answers
575k
views
How to resize partitions?
Previously, I have installed Windows 7 on my 320 GB laptop with three partitions 173, 84 and 63 GB each. The 63 GB partition was where the Windows was installed. The rest were for file containers.
...
- 1,509
381
votes
16
answers
1.5m
views
Unable to correct problems, you have held broken packages
After upgrading from 10.04 to 12.04 I am trying to install different packages.
For instance ia32-libs and skype (4.0).
When trying to install these, I am getting the 'Unable to correct problems, you ...
- 3,835
167
votes
8
answers
123k
views
How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?
For a given hardware configuration, how do I find out if Ubuntu will run on it? What considerations should I take into account when choosing an Ubuntu version and flavour such as:
Xubuntu with a ...
- 18.9k
217
votes
18
answers
1.9m
views
How to remove Ubuntu and put Windows back on?
I have absolutely no experience with Linux, and I desperately need to get my computer back up and running again with Windows.
How do I remove Ubuntu and reinstall Windows?
Editor's note: many of the ...
218
votes
5
answers
797k
views
What can I do if a repository/PPA does not have a Release file?
When updating, I get the following error message:
W: The repository 'http://ppa.launchpad.net/mc3man/trusty-media/ubuntu xenial Release' does not have a Release file.
Here, I find another statement ...
- 2,453
127
votes
3
answers
288k
views
My wireless/WiFi connection does not work. What information is needed to diagnose the issue?
Your situation
You have successfully installed Ubuntu.
You have just downloaded and booted Ubuntu live media.
The latest LTS (see also HWE) or latest non-LTS release are preferred. See the list of ...
- 8,257
223
votes
4
answers
760k
views
How do I restore the default repositories?
There are now errors when updating and I cannot install most software due to a corrupted
/etc/apt/sources.list
file. Is there a copy I can download to replace it?
The file would be for Ubuntu 12.04 ...
- 2,676
314
votes
9
answers
760k
views
How can I fix a 404 Error when using a PPA or updating my package lists?
PPA seems to be constantly offline. Whenever I use sudo apt-get update, this error is shown:
W: Failed to fetch http://ppa.launchpad.net/ 404 Not Found
How do I fix these errors?
- 3,141
813
votes
16
answers
3.4m
views
How do I reset a lost administrative password?
I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there.
I've tried the suggestions on the ...
user9904
576
votes
52
answers
1.3m
views
Ubuntu gets stuck in a login loop
My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back.
I've read that the problem might be caused by ...
- 5,763
385
votes
23
answers
1.1m
views
Unable to mount Windows (NTFS) filesystem due to hibernation
Whenever I boot Ubuntu, I get a message that it cannot mount my windows partition, and I can choose to either wait, skip or manually mount.
When I try to enter my Windows partition through Nautilus I ...
- 4,229
565
votes
35
answers
592k
views
Unity doesn't load, no Launcher, no Dash appears
When I login, nothing happens.
I am presented with my desktop wallpaper.
No Dash, no Launcher, nothing.
- 61k
254
votes
5
answers
993k
views
How do I enable the "Universe" repository?
How do I get to the Universe Repository in supported versions of Ubuntu?
- 2,605
323
votes
6
answers
1.9m
views
How to use manual partitioning during installation?
I'd like to see the full How-To on how to use manual partitioning during Ubuntu installation. The existing guides (at least those I found here) cover only automatic part and leave untouched the manual ...
- 13.3k
190
votes
23
answers
312k
views
How do I install Ubuntu to a USB key? (without using Startup Disk Creator)
If you are hurrying to reply, System → Administration → StartUp Disk Creator -- no, that's not what I'm talking about.
I want to try Ubuntu 11.04's Unity without touching my existing Ubuntu install.
...
- 12.5k
305
votes
24
answers
674k
views
How can I install software or packages without Internet (offline)?
I have a friend who has got a computer that is not connected to the Internet. Is there any way to install software offline easily?
- 13.3k
621
votes
15
answers
1.3m
views
How do I fix the GPG error "NO_PUBKEY"?
I added some extra repositories with the Software Sources program. But when I reload the package database, I get an error like the following:
W: GPG error: http://ppa.launchpad.net trusty InRelease:...
- 16.3k
206
votes
6
answers
267k
views
dpkg error: "trying to overwrite file, which is also in..."
For example:
$ sudo apt-get install curl
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The ...
- 2,589
90
votes
9
answers
506k
views
How do I remove a malformed line from my sources.list?
I have unistalled and reinstalled the Ubuntu Software Center as per info I found in a similar thread and I got the same response about line 91 or something like that.
I just tried to upload a screen ...
- 909
1174
votes
25
answers
3.6m
views
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
I get this error when trying to use apt-get:
E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/) is ...
59
votes
3
answers
168k
views
How do I recover my accidentally lost Windows partitions after installing Ubuntu?
I have a Toshiba satellite A-200 laptop with a Vista OS on it with 4 NTFS partitions
(C:) Vista
(D:) Entertainment
(E:) Work
(F:) Sources
and I wanted to start using Ubuntu instead. So I tried it ...
- 591
762
votes
47
answers
1.1m
views
What should I do when Ubuntu freezes?
All operating systems freeze sometimes, and Ubuntu is no exception. What should I do to regain control when...
just one program stops responding?
nothing at all responds to mouse clicks or key ...
- 77.5k
133
votes
19
answers
125k
views
Can I skip over releases when upgrading?
I am currently using Ubuntu 10.04. I know there is a 10.10 release, but can I upgrade directly to 11.04? Could you walk me through the steps please?
- 1,341
53
votes
20
answers
332k
views
Unable to boot into Windows after installing Ubuntu, how to fix?
I installed Windows on my computer, followed by an installation of Ubuntu. However, now I'm unable to boot into my Windows install.
What can I do to fix this?
- 923
198
votes
7
answers
62k
views
Why don't the Ubuntu repositories have the latest versions of software?
Why are packages in the official Ubuntu repositories older than the latest (upstream) versions from Debian Sid, PPAs, the authors, etc.?
- 76.3k
52
votes
1
answer
24k
views
Will my device work with Ubuntu?
I have a device on which I would like to install Ubuntu. How do I find out if Ubuntu will work on it?
119
votes
8
answers
302k
views
What are the system requirements for each flavour of Ubuntu Desktop?
I'm thinking about installing Ubuntu Desktop, but I don't know what flavor is the best for my system. What are the minimum and recommended hardware requirements? What kind of CPU? How much memory? ...
551
votes
10
answers
742k
views
What are PPAs and how do I use them?
I keep reading about Personal Package Archives ('PPAs') and people answer questions with a link to a PPA. What's the best way to use these?
There are multiple valid answers for this question ...
180
votes
14
answers
298k
views
How do I install the Nvidia drivers?
I just ordered the Nvidia GTX card. I have a dilemma, though. Should I keep using the driver which is available in "additional drivers" in Ubuntu, or should I install the driver from the Nvidia site?
...
- 8,928
132
votes
14
answers
150k
views
What hardware does Ubuntu Touch support?
With the announcement of the Ubuntu Phone OS I'd like to know what phone (and tablet) models are supported at this time.
Note from foss & Oli: We are making this the master question for all ...
- 48.4k
285
votes
16
answers
875k
views
How can I install Windows after I've installed Ubuntu?
I have Ubuntu on my laptop. Now I want install Windows 7 in a dual-boot. How can I do this?
I can't lose my Ubuntu files, and I'm afraid that I might break GRUB.
Editor's note: Current readers should ...
- 3,929
186
votes
8
answers
82k
views
I have a hardware detection problem, what logs do I need to look into?
I am trying to ask a question about getting my hardware to work but I don't know what information to add to my question to get help, what do I need to do?
Related if you don't have access to a GUI:
...
- 72.5k
693
votes
14
answers
5.5m
views
How do I install a .tar.gz (or .tar.bz2) file?
I have downloaded tar.gz files. But I don't know how to install it. How do I install this kind of file?
- 7,995
453
votes
12
answers
1.2m
views
How do I upgrade to a newer version of Ubuntu?
What are the different ways I can use to upgrade Ubuntu from one release to another?
647
votes
25
answers
763k
views
How do I free up more space in /boot?
My /boot partition is nearly full and I get a warning every time I reboot my system. I already deleted old kernel packages (linux-headers...), actually I did that to install a newer kernel version ...
- 6,745
543
votes
18
answers
1.7m
views
How can I create a Windows bootable USB stick using Ubuntu?
I'd like to create a Windows bootable USB stick, but I don't have a Windows machine at the moment to do so. How can I achieve that using Ubuntu?
- 10.9k
297
votes
47
answers
970k
views
How to fix "The system is running in low-graphics mode" error?
Note:
This is an attempt to create a canonical question that covers all
instances of "low-graphics mode" error that occurs to a user,
including but not limited to installation of wrong ...
37
votes
7
answers
30k
views
What is the proper way of creating installation media from Ubuntu iso?
This is the third time I've tried to install Ubuntu Server 14.04.03 64-bit on the same laptop, and each time it caused different problems.
Each time I wrote the same iso image to a USB flash drive by ...
- 860
340
votes
9
answers
177k
views
Are PPAs safe to add to my system and what are some "red flags" to watch out for?
I see a lot of interesting programs out there that can only be obtained by adding a "PPA" to the system but, if I'm understanding correctly, we should stay within the official "repositories" for ...
- 12.9k
220
votes
17
answers
100k
views
How to customize the Ubuntu Live CD?
I would like to customize Ubuntu live CD by installing some additional packages. I have followed the Ubuntu help wiki guide but it doesn't seem to work. Can anyone provide clear instructions?
I'm not ...
- 83k
110
votes
18
answers
293k
views
How can I install Windows software or games?
Can .exe and .msi files (Windows software) be installed in Ubuntu?
- 13.3k
436
votes
15
answers
873k
views
How do I start applications automatically on login?
How can I make an application automatically start when I have logged in?
- 25.5k