For questions related to modules, the ones that control and orchestrate how the kernel should communicate with the hardware

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Fingerprint and NFC reader on Dell Latitude E7450

Is there any solution to get the fingerprint reader and the NFC reader to work on a Dell Latitude E7450? I have been looking for a way to get them working since the E7450 2015 was released. ...
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426 views

(32) Ad-Hoc mode is not supported by this device. - 13.10 on i5 NUC

Not sure if this is an Ubuntu issue or intel issue. Any insights will be appreciated. I have an intel NUC (D54250WYK) w/ intel 7260 wireless adapter and Ubuntu 13.10. I can connect to my local wi-...
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770 views

Fujitsu S1300i advances document but doesn't scan

I'm using a Fujitsu ScanSnap S1300i. Using sudo as a temporary workaround to minimise any permissions problems: $ sudo sane-find-scanner found USB scanner (vendor=0x04c5 [FUJITSU], product=0x128d [...
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0answers
1k views

Intel display controller unclaimed

I have just reinstalled Ubuntu 12.10 on my Optimus laptop with Intel Ivy Bridge and Nvidia 650M graphics cards. I have set up Bumblebee following this guide: http://www.webupd8.org/2012/12/use-nvidia-...
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0answers
57 views

Why is the motherboard temperature is high when idle , but is normal under Windows?

I have a Lenovo y50-70 with the following specs: CPU: Intel® Core™ i7-4720HQ CPU @ 2.60GHz × 8 Graphics: Nvidia GeForce GTX 960M and Intel HD Graphics 4600 I have installed Ubuntu 16.04 ...
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0answers
95 views

Wireless disconnect issues Ubuntu 16.04 with RTL8821ae

I've been having trouble with my Wifi ever since I installed Ubuntu 16.04 two months ago. There are several posts similar to this one on the forums, however I've not found any that work for me. Here ...
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1k views

Fresh Ubuntu 16.04 install with Nvidia GTX 1070 is crashing

I am one of the lucky people who received a MSI GTX 1070 Gaming X already, and so I decided to upgrade from 14.04 to 16.04 via a fresh install. The installation completed without any problems, and ...
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273 views

How to solve laptop GPU overheating problem in Ubuntu16.04

Module Thinkpad W540. Spec: intel core i7 4800mq, Nvidia Quadra K2100M. Problem: I tried fresh installs of Ubuntu16.04, Kubuntu16.04, Ubuntu Gnome 16.04, and all of them suffer from the problem of ...
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82 views

Trying to get dual monitors working 14.04 LTS & Radeon HD 4850

I have Ubuntu 14.04 LTS running on a desktop PC and recently got a second monitor. I cannot seem to make Ubuntu 'detect' that second one. I ended up here: https://help.ubuntu.com/community/...
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96 views

Ubuntu wifi usually not working on boot, needs kernel module restart

After installing Ubuntu on my netbook, an F205TA, wifi seems to be not working correctly. Usually wifi is not working after boot, but starts working after one or more tries of: sudo modprobe -r ...
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0answers
1k views

No UMS support - Radeon 3450

I just performed a clean install of 14.04 on my Dell Vostro 420 with Radeon 3450. I get to grub, click to boot with Ubuntu, and then black screen. If I boot in a recovery mode with low graphics mode,...
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477 views

ubuntu 14.04 logs out randomly

After installing new graphic card (Radeon HD 3450) Ubuntu 14.04 keeps logging out randomly, for example it logs out when I use the command : unity --replace && setsid unity I tried installing ...
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0answers
593 views

Screen tearing with Nvidia Prime

I've installed Nvidia-346 (that also installed Prime) and prime-indicator from the ppa:nilarimogard/webupd8 repository in Ubuntu 15.04. Whenever I switch from Intel to nVidia I get a general screen ...
4
votes
0answers
1k views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
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0answers
2k views

External PCIe USB 3.0 Controller NEC Corporation uPD720200 not recocnized since the upgrade to 14.04

I use an external USB 3.0 PCIe card. It used to work like a charm on 13.10. But ever since the upgrade to 14.04 hot-plug doesn't seem to work any more. It used to work before. Only when this card is ...
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784 views

Conexant Modem running under Ubuntu 12.04 LTS

I've bought a USB 56k Dailup-Modem for using HylaFax later on. The Modem gets recognized by the system via lsusb as follows: Bus 006 Device 002: ID 0572:1329 Conexant Systems (Rockwell), Inc. But ...
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0answers
1k views

Does Ubuntu support NFC hardware on Nexus 7?

I was wondering if the NFC hardware on Nexus 7 is supported by Ubuntu. As I understand, the Nexus 7 contains the PN544 chip set. I installed the PC/SC service (pcscd) which works with external USB ...
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0answers
69 views

New to Ubuntu - 16.04 black screen AMD Radeon card

Yet another person confused by the ATI/Radeon drivers changes. To explain, I set up my son's slightly oldish laptop with a fresh install of Ubuntu after I discovered that he hadn't run system updates ...
3
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0answers
60 views

Ubuntu 14.04 crashes when watching youtube videos

My copy of Ubuntu 14.04 LTS just won't stop crashing when viewing YouTube videos but the worst part is that the problem is inconsistent because I can sometimes go days without any problems and other ...
3
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0answers
38 views

Ubuntu can't boot with ACPI on - Samsung NP700Z4AH Notebook - Radeon HD 6750M

I've installed Ubuntu 16.04 in a Samsung Notebook but can't boot without disabling acpi. I appended acpi=off to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub and updated grub options with update-...
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0answers
55 views

16.04 with Radeon R7 370 graphics card has slow and stuttering graphics

I recently installed 16.04 64 bit. every window I open or interact with stutters and goes through its animation extremely slowly. Opening the Unity search takes about five seconds, going through ...
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0answers
145 views

Bluetooth adapter not found in Ubuntu 16.04

Since my upgrade to 16.04 the OS does not find the bluetooth-adapter anymore. The Laptop is an Acer Aspire V5-573G and all i can find about the bluetooth adapter is this: "Bluetooth Qualcomm Atheros ...
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votes
0answers
97 views

Black screen on boot when any NVIDIA drivers installed

I have a machine with Ubuntu GNOME 15.10 and an NVIDIA GTX 970 graphics card. For the last few months it was working fine with nvidia driver 352.63 and CUDA 6.5 installed, however I recently tried ...
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0answers
31 views

Visual glitches when rotating display - ATI Radeon

When rotating my display with xrandr --output DVI-0 --rotate left (or right or inverted), i get this weird, sort-of screen tearing effect that doesn't show up in screenshots. (Image shows output of ...
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0answers
166 views

How to launch a single application on Nvidia card with proprietary driver on 16.04

At the very beginning of the support of Optimus technology on Ubuntu, there was Bumblebee, that could launch a single application on the dedicated Nvidia card, while leaving the rest of the system on ...
3
votes
0answers
255 views

Asus g501 Multitouch not working on 16.04

I just did a fresh install of Ubuntu 16.04 but the multitouch doesn't work which makes it very hard to work. Here are the issues I'm facing; Since the left and right click buttons are part of the ...
3
votes
0answers
163 views

Problems with display resolution

I have just installed Ubuntu 16.04 and I have a problem with the display resolution of my monitor. My monitor can go up to 1440x900, but I am unable to see this option in Displays, with it instead ...
3
votes
0answers
636 views

Install Open Source AMDGPU driver on 16.04

How could I switch from using the "radeon" open source driver to the "AMDGPU" open source driver? I have man packages for both, tried setting an xorg.conf for Driver "amdgpu" but to my understanding ...
3
votes
0answers
48 views

Triple Monitor Setup Problem (specifc, could not find an answer)

Despite my sincerest efforts to avoid asking a question that thousands of others have had similar issues -- alas, I am not skilled enough in Linux to diagnose this myself and no other solution attempt ...
3
votes
0answers
2k views

16.04 Nvidia proprietary driver problems

On 16.04 xubuntu fresh install, I have an Nvidia Gtx 980 and an apple 30" 2560x1600 display, after installing proprietary nvidia drivers, I get two problems, the first, I can't log in during the ...
3
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0answers
798 views

Intel NUC No Sound - ubuntu 16.04

This problem seems to be fixed with these instructions for previous versions https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS Does anyone knows if .deb (amd64) file will be uploaded for ubuntu 16.04? ...
3
votes
0answers
192 views

Installed Cuda toolkit 7.5, but libcudart.so.5.5 remains

After installing Cuda Toolkit 7.5 on Ubuntu 14.04 (via apt-get of .deb file, followed by update of nvidia driver to 352.63), nvcc --version, NVidia-smi, and cuda samples work as expected. 7.5 is ...
3
votes
0answers
1k views

How to use HP 355 G2 fingerprint reader ([138a:0050] Validity Sensors, Inc.)

I just bought a new HP 355 G2 laptop and I'm trying to figure out how to make the built-in fingerprint reader. I have tried installing Fingerprint GUI, but it tells me there are no devices found. ...
3
votes
0answers
82 views

How can I begin to track down this Wi-Fi problem?

This is not your run-of-the-mill "what's wrong with my Wi-Fi" question, I'll guarantee you that... I inherited a Lenovo Ideacentre Stick 300 and have been trying to get Windows 10 off of it and ...
3
votes
0answers
150 views

Driver installation issue: Xerox Phaser 6600

The only drivers I was able to find on the Foomatic database are the ones of a different printer (6360DX). I then extracted the PPD drivers from a win 7 driver but the printer config program is not ...
3
votes
0answers
63 views

Compile or Cross-compile open source driver for Aquaris E4.5 Ubuntu Phone

I am trying to connect an OTG USB-Ethernet adapter on the Aquaris E4.5 running kernel 3.4.67. The adapter is Cable Matters AX88179 which has open source drivers available for linux. The installation ...
3
votes
0answers
88 views

Ubuntu 15.10 Graphics Glitching

I had Ubuntu 15.10 running on an old Dell SFF tower (I think a optiplex 755). It uses integrated intel graphics. Both with a monitor attached and thru screen sharing into the computer I see the ...
3
votes
0answers
721 views

Get Broadcom Wifi Card [14e4:43ae] to work

The Wifi isn't working, I'm not able to create a new (wifi) connection in the Network Settings. As mentioned in this answer I should ask a new question, if I have PCI ID that's not listed and well ...
3
votes
0answers
237 views

Wifi keeps dropping on MacBook Pro with Ubuntu 15.10

For some reason the wifi drops periodically every 15 or so minutes. I have the Broadcom BCM4360 and using the driver installed from bcmwl-kernel source.
3
votes
0answers
301 views

tty (ctrl+alt+F1-6) black screen

I wnat to report the following Problem: When I hit ctrl+alt+F1-6 a black screen is the result. The tty is not off-screen, I tried to hold down letters to check that, but it's not the issue, it ...
3
votes
0answers
509 views

Bumblebee fail safe x after reboot [GTX 755M][Ubuntu 15.10]

When I installed bumblebee and the nvidia-340 drivers Ubuntu booted into a normal session. On the next reboot, after running glmark2 with optirun in the previous session, the normal x session would ...
3
votes
0answers
477 views

BCM43142 stops working randomly after upgrading to 15.10

My laptop is Dell Inspiron 5520, the wireless network is BCM43142 which doesn't work properly after upgrading to 15.10. It works for a while and stop working without any error or notification, after ...
3
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0answers
505 views

15.10 Problems :VLC strange screen blinking when going in fullscreen

Yesterday I moved from Ubuntu 14.04 LTS to 15.10. And now I have problems in VLC. With Nouveau drivers I have image tearing and with Nvidia drivers I have green screen blinking when going in ...
3
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0answers
272 views

Built-in webcam not detected on Ubuntu 14.04 LTS

I'm having trouble getting my built-in webcam to work. I want to understand more about how drivers work and how a built-in webcam can be detected in the terminal or found. Here is my lsusb output: ...
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votes
0answers
2k views

module verification failed: signature and/or > required key missing - tainting kernel

i am newbie in linux device drivers,after installing the driver in ubuntu 14.04 it showing the message module verification failed:signature and/or required key missing-tainting kernel for my module ...
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votes
0answers
1k views

What does “!!! Unknown header type 7f” error means?

I bought a new laptop, and I can't enable discrete graphic card. The output of lspci -k | grep -EA2 'VGA|Display' terminal command: 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [...
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votes
0answers
343 views

PCIe error in dmesg log

I checked the dmesg logs today, and I found this: [108957.958768] pcieport 0000:00:03.0: AER: Multiple Corrected error received: id=0018 [108957.958797] pcieport 0000:00:03.0: PCIe Bus Error: ...
3
votes
0answers
232 views

For a 32-bit Ubuntu 14.04 install, How to install Broadcom wireless 32 bit drivers offline

I have found the steps for doing this with the 64 bit installation of Ubuntu, and I assume that the steps are the same for the most part with the exception of the actual files used. I need some ...
3
votes
0answers
350 views

Nvidia driver not loading properly for Geforce GTX 570hd

I'm having a problem with using the nvidia driver for my Geforce GTX 570. I've tried re-installing the drivers, installing using the .sh file from nvidia's website, and using every driver available ...
3
votes
0answers
418 views

GUI restarts after wake up from suspend or boot ('Application 'compiz.desktop' killed ..)

I am facing a crash almost each time I boot my computer and sometimes that I wake it from suspend. I've looked at the logs, and what seems to appear as a critical error is this: May 21 21:25:...