Questions related to the Nvidia graphics and motherboard chipsets and the related drivers.

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3 views

why is glxgears faster without optirun

glxgears seems to be much faster when using my integrated graphics chip, than when I activate the graphics card using bumblebee's optirun or primusrun. When I run glxgears with optirun, I get ~1250 ...
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0answers
8 views

Unable to make double screen configuration work

I am having problems with my video setup. I have a laptop (ubuntu 14.4) with a Nvidia Geforce GT-420M and a screen with 1366x768 resolution and I often connect to it a 22'' full hd monitor. As long as ...
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1answer
64 views

Resolution issue with Ubuntu 14.04.1 [Dual Boot with Windows 7]

I installed Ubuntu 14.04.1 along side my Windows 7 operating system today. My Windows Partition works perfectly fine, the GRUB menu works perfectly fine, and I've installed any updates for Ubuntu that ...
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0answers
7 views

Nvidia detects non existent display

Hi I am on Ubuntu Gnome 14.04.1. I tried the default driver for a while but the performance wasn't satisfactory so decided to install nvidia driver. The problem is nvidia detects two displays and ...
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2answers
26 views

Cuda 6.0/PyCuda. 'ImportError'

I had Cuda 5.5 with pycuda working great, but then I needed to upgrade to CUDA 6.0. Now when I try to run a sample PyCuda program I get this : ImportError: libcurand.so.6.0: cannot open shared ...
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0answers
12 views

Is Asus X550LD a good choice for running Ubuntu?

I've been thinking of buying the Asus X550LD. I primarily use Ubuntu as my OS of choice. I wanted to know if this model and ASUS in general is a good buy for running Ubuntu. I've been searching for ...
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0answers
40 views

Ubuntu freezes after login when I tried to reboot after installing nvidia drivers

I've installed Ubuntu for the first time yesterday and was still configuring and installing my daily apps, when that happened to me. I've already tried some other options: *reinstalling unity ...
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1answer
18 views

How to install zotac gt 210 graphics card driver in Ubuntu 13.04?

I tried many idea from ubuntu 13.04 support, googling but cant found better support. I want to install graphics driver as mention in title, but dont know how? I have Zotac Nvidia Geforce G210 1GB ...
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0answers
16 views

14.04: VMware Workstation + dual boot

I've successfully dual-booted Win 8.1 + Ubuntu 14.04. What I'd like to do at this point is run my Ubuntu partition in Workstation. I successfully booted the login screen, but after logging in the ...
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0answers
23 views

Ubuntu 14.04 + gnome-session-flashback + nvidia drivers - Xorg needs to restart after login for proper graphics

I just installed Ubuntu 14.04 LTS with gnome-session-flashback. I installed ccsm (compiz setting manager) and nvidia drivers. When I login, I get no crashes nor error messages, but all the windows ...
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0answers
18 views

Nouveau driver has low brightness/contrast

Why nouveau looks with less brightness and/or contrast than nvidia proprietary driver? I use Ubuntu 14.04 in a desktop with a Nvidia GeForce GT 640. I had this problem in the past too with other ...
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0answers
18 views

Graphic drivers just stopped working

I am very new to the Ubuntu community, I just installed 14.04 on my laptop one week ago. Until yesterday, I was using a double monitor configuration with my own laptop's screen plus a full-hd tv and I ...
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0answers
20 views

Ubuntu 14.04 DIsplay Problem

I'm running ubuntu 14.04 on a Thinkpad T530 machine with nvidia NVS 5400M graphics. When I boot to ubuntu, I always stuck at the dark purple screen with 'ubuntu' at the center and five red dots under ...
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0answers
11 views

Installing nvidia drivers [duplicate]

alan@alan-P43G:~$ sudo apt-get install nvidia-340 Reading package lists... Error! E: Read error - read (5: Input/output error) E: Problem opening ...
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0answers
37 views

Nvidia driver issues with 14.04

Background - nomodeset was required to install Ubuntu. Nvidia GT525M graphic card driver issues Cannot get past the login screen if installed, Cannot change resolution if not installed (it has ...
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0answers
8 views

Firefox crashes after nvidia and cuda update on 14.04

I recently added CUDA to my laptop to be able to develop some parallel code I want. All went smooth and I managed to run the CUDA tests/samples with no problem. My computer seems to work fine apart ...
0
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1answer
24 views

Removed all Nvidia drivers and Ubuntu won't boot

I installed a new Raedon R9 290X after upgrading from my old Nvidia GTX 570, installed the AMD Catalyst 14.6 drivers and everything booted fine but games where a little laggy. I decided to remove the ...
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0answers
21 views

How do I troubleshoot non-working graphics?

I'm running Ubuntu 14.04.1 on a desktop computer. It has worked flawlessly for a few months, but since doing a standard apt-get update + upgrade and rebooting, I am no longer shown my desktop after ...
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1answer
39 views

Missing ubuntu drivers for GT 730 in Ubuntu 14.04

I have clean Ubuntu 14.04 and using MSI Nvidia GT730 video card. By default Ubuntu installed nouveau driver and it is in use right now. I want to install nvidia proprietary driver, but I do not see ...
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0answers
83 views

Dual monitor setup, why does NVidia 340 Prime only detect one monitor?

I'm using: Alienware M14xR2 laptop running Ubuntu 14.04 2 * DELL U2412M monitors attached via HDMI and Mini Display Port Optimus graphics (Intel + nVidia GeForce GT 650M) running with nvidea-340 and ...
1
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0answers
21 views

How to check and set Refresh Rate with Nvidia Graphics Card

When I tried to update from Ubuntu 12 to Ubuntu 14 I got a warning message against updating stating that your machine does not have 3D support for running the unity desktop environment. My graphics ...
0
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1answer
30 views

Ubuntu 14.04 x64 display issue

I am having Acer Aspire 5742Z Model-PEW71 laptop with NVIDIA GeForce GT 540M.I have installed Ubuntu 14.04 x64 with dual boot with Windows 7. After installation it was working good. I installed Java ...
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0answers
40 views

Need ability to switch between AMD and NVIDIA drivers with script file

So I'm trying to basically take Kali Linux (penetration testing distro) and install all of it's packages (without more than one program that does the same thing) and install them into Ubuntu. I ...
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0answers
26 views

error: [XORG] (EE) NVIDIA(GPU-0): Failed to initialize DMA using bumblebee

I have gone through every question on Xorg errors I could find and googled for this DMA error, but none seemed to solve my issue. This is my notebook cnfiguration: Intel i5-4200U @ 1.6GHz 8GB DDR3 ...
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3answers
265 views

How to find out which NVIDIA GPU I have

I'm trying to use the information in this page to optimize my GPU performance. For that, I need to know which NVIDIA GPU I have. I tried the command sudo lshw -C display and I'm getting the ...
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0answers
30 views

Xubuntu 14 Nvidia drivers problem

I have a Nvidia Geforce GT740m on my Dell vostro 5470. I've been having troubles with graphic drivers. When I use software&updates to seek for additional drivers it'll give me several selections, ...
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0answers
26 views

Upgrade to Ubuntu 14.04: Blank desktop

I just upgrade my Ubuntu to version 14.04, but the desktop after logging in is blank (no sidebar, no menu bar). I can open tty with Ctrl+Shift+F1 (F2) and log in, so I did try some solutions posted in ...
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0answers
39 views

14.04 Nvidia Drivers

I have suffered the Nvidia drivers conflicts with suspend/resume in the past, and again with 14.04, both ubuntu and kubuntu. The latest update of 14.04 now causes the PC to reboot upon resume from ...
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0answers
30 views

OpenGL GLX context not using direct rendering (Steam)

I have been using Ubuntu 14.04, configuring it with themes and such, and decided to install Steam to play Team Fortress 2. Whenever I launch steam, I get an error that says: "OpenGL GLX context is ...
0
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2answers
40 views

Ubuntu failing to install on seperate HDD, blank screen, flashing cursor

I have downloaded Ubuntu 14.04.1 desktop ISO and burned it to a bootable cd and have made a bootable usb drive using both Universal USB Installer and Unetbootin. I have tried mutliple ways to attempt ...
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0answers
14 views

How to make Nvidia logo always visible before login screen?

After installing Nvidia drivers from the manufacturer's website, I sometimes get a nice Nvidia logo (full screen) right before the login screen appears, and sometimes I get straight to the login ...
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0answers
26 views

14.04 won't fully shut down laptop [closed]

Okay so I recently did a clean install for Ubuntu 14.04 and Everything has gone well so far. But I've been having an issue where after the system shuts down it will still stay powered on. So the ...
0
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1answer
36 views

Unity3D Warning Updating from Ubuntu 12 to 14

When I try to update from Ubuntu 12 to 14 I get the following warning: Running the 'unity' desktop environment is not fully supported by your graphics hardware. You will maybe end up in a very slow ...
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1answer
42 views

Ubuntu freezes on the login screen after i close my laptop lid Ubuntu 14.04

I experience a Bug where the login screen doesn't work correctly after I closed the laptop lid. When i open it again the login screen appears and I can move the cursor but I cannot click anything or ...
0
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0answers
23 views

“deviceQuery error cudaGetDeviceCount returned 10 invalid device ordinal” on Ubuntu 14.04 Dell XPS 15

I am trying to install nvidia_340 driver and cuda on my Dell XPS 15 with GeForce 750M and Ubuntu 14.04.01 LTS and following install instructions here and here I am running into problems using ...
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0answers
30 views

How to use multiple Xscreen?

I have a setup with 2 different NVidia cards and 3 monitors. I was using Xinerama to unite them all under the same desktop, but some random crashes and lots of googling lead me to believe that ...
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0answers
9 views

Mouse is blinking/flickering at my built in monitor with an external monitor, please help

I am using a Thinkpad W530, and due to my works, I need to use an external monitor. I am using nouveau and nvidia-prime to switch between intel and nvidia adapter. After I connected and switched on ...
0
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1answer
27 views

Odd flickering after video driver update

I'm not sure how to describe this other than to show you guys. I captured a video and uploaded it to YouTube here: http://youtu.be/Bp25Fyy_GsI Notice how the tab selection keeps changing by itself ...
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0answers
6 views

contrast/gamma different than in nvidia-settings

Hello fellow Ubuntuers! My Ubuntu displays less bright tones (like darker greys) much darker as they should, gamma and/or brightness seem to be messed up. When I start nvidia-settings the colors ...
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0answers
41 views

Nvidia update video driver

This is a really quick question. I tried looking around, but couldn't find a definite yes or no answer. In order to update my video card driver from 331.38 to 340 or higher, do I have to remove or ...
0
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0answers
25 views

problem with update ubuntu 14.04 dell vostro 3400

my problems is the next: I have installed ubuntu 14.04 in my laptop dell vostro 3400, before the installation ubuntu did not start due to the Nvidia video (black screen), so I was reading on ...
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0answers
62 views

How to change gcc-4.9-base version without removing dependecies?

I have a freshly installed Ubuntu 14.04.1 but cannot install nvidia-331 driver because of dependencies conflict: lib32gcc1 should be installed but it conflicts with already installed gcc-4.9-base ...
2
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0answers
66 views

Secondary monitor issues with Nvidia Laptop in Ubuntu 14.04

I've got a Dell XPS 15 L502x laptop, with a NVIDIA GeForce GT540M graphics card using the Optimus duel system. I've purchased an external monitor that I can connect with HDMI to act as a second ...
0
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0answers
25 views

Unity not coming up / nouveau failed to idle channel 2

First up I am extremely fresh with linux so go easy lol.. after installing Ubuntu 14.04 64 bit on my Acer aspire the first problem I encounter is a flashing courser it doesnt seem to like being ...
0
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0answers
52 views

Zotac Zbox EN760 Won't Boot from USB

I wanted to install Ubuntu 14.04.1 on my Zotac Zbox EN760. It is using legacy boot, as both the "Win7 uEFI" and "Win8 uEFI" don't get past the purple screen (don't know the official name, the one with ...
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0answers
64 views

Ubuntu freezes when Nvidia driver is used

I just installed Ubuntu 14.04 LTS and when i check the nvidia driver (proprietary, tested) on additional drivers, my system freezes very often (keyboard and mouse both freeze), but when nouveau driver ...
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0answers
33 views

Dual monitor suddenly not working

I had dual monitors working fine on this machine for years. A few days ago, I had to borrow one of the monitors for another project. When I brought it back and plugged it in, it didn't work. Ubuntu ...
0
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1answer
96 views

nvidia driver 14.04 install fails

I recently installed ubuntu 14.04 LTS on a Dell Inspiron 9300 with a new HD. Was working reasonably well, but was getting a 'black screen of death' with messages about problems with the nouveau ...
0
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1answer
34 views

Which graphic card driver is safer?

I have an Asus Laptop with hybrid graphic card. Several days ago I installed Nvidia driver and now for time to time I change my graphic card preference(by Nvidia-Prime) between Intel and Geforce. I ...
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0answers
34 views

Getting black screen every time after loging in to ubuntu 14.04

I am facing problem, whenever I am opening Ubuntu 14.04, I am getting black screen, after which I only have to press: Alt+print screen+R E I S U B My system is Dell XPS L502X, with NVIDIA graphics ...