130
votes
Accepted
Right click not working on Ubuntu 18.04
For instance, to right-click method on touchpads without a physical
button you need to perform a two-finger click (just tap anywhere with
two fingers). Clicking in the bottom right area of the ...
74
votes
Accepted
How to install latest HPLIP on my Ubuntu to support my HP printer and/or scanner?
Installation
Currently there are no PPAs with newer hplip packages.
But user can download and install binary from HP as described in their manual.
Before you proceed you should remove any hplip ...
49
votes
xbacklight: No outputs have backlight property - No /sys/class/backlight folder
Check your /sys/class/backlight folder. If you can see an intel_backlight folder there and still you are getting the above error then creating a /etc/X11/xorg.conf file with the below configuration ...
43
votes
Right click not working on Ubuntu 18.04
I too had this issue with an HP Omen.. I downloaded the gnome tweaks and it fixed the problem.
Open Ubuntu software (orange briefcase) and type in the search "gnome tweaks".. launch the program and ...
40
votes
Accepted
Why does "Airplane Mode" keep toggling on my HP laptop in Ubuntu 18.04?
In GNOME Shell, "Airplane Mode" is automatically activated on boot for many HP laptops, when the screen is tilted sideways, or when the lid is opened/closed. The following is a fix for HP ...
38
votes
Accepted
HP LaserJet won't print (16.04 LTS)
Run command : sudo hp-setup -i and then follow the instruction for installation but first delete the printer that you added.
32
votes
Printer problems after installing Ubuntu 20.04
Try sudo hp-setup -i. At least for USB. That finally helped me with a HP LaserJet Pro P1102w.
24
votes
How to perform a HP BIOS upgrade with only Ubuntu?
This method worked fine on an HP EliteDesk 800 G2 TWR when I tested.
I guess this method is not supported by HP, so I add this warning: a BIOS upgrade, if failed, can break your computer!
...
21
votes
HP printer install fail
you should run this
sudo apt-get install python3-pyqt4
and for Ubuntu 18.04, you will need both pyqt4 and pyqt5
sudo apt-get install python3-pyqt5
font: https://help.ubuntu.com/community/...
21
votes
Accepted
How should I install HPLIP binary/proprietary plugin/driver for my HP printer or printer+scanner?
For HPLIP from APT make sure that you have installed hplip-gui package. If it is not installed - install it with:
sudo apt-get install hplip-gui
According to official HP documentation we need to ...
16
votes
Accepted
How to install HPLIP on my Ubuntu to support my HP printer and/or scanner?
Currently Ubuntu have the following HPLIP versions in universe pocket:
bionic (18.04LTS): 3.17.10+repack0-5
focal (20.04LTS): 3.20.3+dfsg0-2
hirsute (21.04): 3.21.2+dfsg1-2
impish (21.10): 3.21.6+...
15
votes
Accepted
How to turn off my ubuntu web camera?
Thank you guys, the problem is gone.
- I used the command : lsof | grep video0 to find the software using my webcam. It was FireFox.
- I just restarted FireFox, and then the webcam turned off.
15
votes
Accepted
Cracking and popping sound from left side of headphone on Front Left/Right sound test
The post by Robert Joynt in the Crackling and popping sound when using headphones Launchpad bug report solves the issue. I'm quoting the post below (code formatting my own):
I've managed to
fix this ...
14
votes
WiFi adapter not found in Ubuntu 18.04
First, try to connect with the wired Internet connection (or you can use Mobile Tethering) and use the following commands to install missing Wi-Fi drivers.
Clone the repository (use your Terminal):
...
14
votes
Can't Detect HP Printer with HPLIP
Open HP Device Manager > Setup, then choose Network/Ethernet/Wireless network. Then, click Advanced Options.
Choose Manual Discovery and type the IP Address.
After that, click Next.
Then, your ...
13
votes
Printer problems after installing Ubuntu 20.04
If the printer was working for you with hplip before, just uninstall ippusbxd package:
sudo apt remove ippusbxd
The problem, at least in my case, was that ippusbxd was automatically creating a ...
12
votes
How to get Intel Dual Band Wireless-AC 3168 work on Ubuntu 16.04?
Connect to the internet by some other way and install the 4.8+ kernel
sudo apt update
sudo apt install linux-generic-hwe-16.04
You also need firmware for this device. Update your system by
sudo apt ...
12
votes
How to install latest HPLIP on my Ubuntu to support my HP printer and/or scanner?
Until a few weeks ago, the latest HPLIP driver version, available at HP Developers - HP Linux Imaging and Printing, was 3.18.12. At Ubuntu 16.04 official repository, the available version was 3.16.3.
...
12
votes
Accepted
Suspend not working properly (cannot wake up) on Ubuntu 20.04 with NVIDIA
I suspect that your problem is related to the latest NVIDIA update, which installs nvidia-driver-460. There is currently a bug with this version and some versions after it. You can subscribe to the ...
11
votes
Ubuntu 20.04, simple scan does not detect scanner
I have found a workaround for this problem that has really annoyed me for three months now on my HP Envy 4500 with embedded scanner connected via USB (printing was affected too).
Several bug reports ...
10
votes
How to turn off my ubuntu web camera?
If the webcam behaves weirdly, not automatically turning off for example, you can:
To disable the webcam run:
sudo modprobe -r uvcvideo
It removes the module from the Linux Kernel.
To re-enable ...
10
votes
Accepted
How do I install drivers for the RTL8821CE Network Controller on Ubuntu 20.04?
This fixed the No Wifi on my ASUS D509DA laptop, Ubuntu 20.04.1 LTS:
First Ensure that you disable Secure Boot in the BIOS(See snip below)
NOTE: I did not have do Step C as I had already disabled ...
9
votes
Ubuntu and HP scanning
Step 1: Install hplip-gui
This app does not show up in Ubuntu Software Center. However, it can be installed from the terminal or synaptic. To install it from the terminal open a terminal by pressing ...
9
votes
Accepted
How can I install Ubuntu 16.04 LTS Server on an HP ProLiant ML10 v2 Server
There are several posts about this problem over the past several years, but none that comprehensively describe the process for the ML10 v2, so I thought I would document my findings for those who want ...
9
votes
Accepted
Printer stack on processing - failed to read ppd file
This warning means that the hp-check script doesn't have the permission to read this file.
You can simply change the permissions like this (open a terminal):
$ sudo chmod 644 /etc/cups/ppd/HP-...
9
votes
Accepted
Disable discrete graphics card permanently
Open a terminal and execute :
sudo nano /etc/default/grub
Add radeon.modeset=0 to the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
so that it reads : GRUB_CMDLINE_LINUX_DEFAULT="quiet ...
9
votes
"System program problem detected" after login?
Can you open the terminal? (ctrl - alt - t) If so, try:
sudo rm /var/crash/*
https://ubuntuforums.org/showthread.php?t=2176406
I think this was the same problem.
9
votes
Ubuntu 18.04 doesn't see the HP scanner
I have just finished a long install/uninstall session in order to solve similar scanning problem. I can not say this is the best approach but I can give a few points I hope this saves someone time.
...
9
votes
Using HP Laser 107a with Ubuntu 20.04
Here's how I got my HP Laser 107a to work on my freshly installed Ubuntu 20.04.
Step 1: Remove ippusbxd as mentioned in the previous answer.
sudo apt purge ippusbxd
Step 2: Download and install the ...
8
votes
How to get GRUB to be the default bootloader instead of Windows Boot Manager on a UEFI laptop?
I have a Samsung laptop with Windows 10 already installed and I was trying to install Linux with multiple instances; Ubuntu 12.04, 14.04, and 16.04. I used Boot-Repair and changed Boot Priority in my ...
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