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• When computer turns on: keyboard/mouse/monitor don't work?

  - by dave

  the computer is barely good,at least i think..features Intel core 2 4 GB ram Nvidia Radeon 9600 512 mb Gigabite motherboad (the others i can't remember).. Used this computer for 3 years with no problem...The problem started one day after while it froze everything, then I shut down with removing the electricity power. A few hours later, I tried to log in to the computer but nothing moved. Nor keyboard nor mouse nor monitor worked, I was thinking that should be a delay so I left it some time. After a minute it turned off without my help around 30 seconds then it turned on automatically, but was the same problem like before and it goes again and again...any suggestions? If more info/specs required, let me know.

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• How can I monitor network usage by process on Mac OS X?

  - by psmith

  Is there any way to find out which process using how much internet bandwidth on Mac OS X Lion? I'm on mobile internet now, which is not very fast, so it would be nice if I can tell that for example, Chrome using 10kB/s, and Skype using 2kB/s. I can see the total amount of traffic in Activity Monitor, but it is not enough for me. I'd like to use an existing application, not interested to write an app like this. And I'm not interested in the actual traffic, only the number of bytes transferred and received by each processes.

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• Xubuntu dual monitor broke display

  - by Arman yaraee

  After I used Settings Display to enable my second monitor, my first display is not working anymore either. So I enabled both, then clicked save configuration since it was working and boom it crashed. Now when I start up, I can see the screen which I type my password but it goes black after that! When I boot into recovery mode it works fine but in Settings Display I don't see HDMI at all to disable it. Is there anyway to restore all display setting to default? (I can Ctrl+ALT+F1 and type commands but xrandr returns no results over there) EDIT I should clarify that system bios is set to laptop display

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• Ubuntu Gnome 14.04 - 100% CPU usage alternating between cores

  - by AwDeOh

  I've noticed my Ubuntu Gnome 14.04 has been getting a bit sluggish lately - things like Gnome Shell overview animation are jerky where they were lightning fast, Elder Scrolls Online is stuttering and dropping to low FPS where I previously had a solid 50-60 fps. Out of interest I looked at the CPU History, and when running nothing but the system monitor, I was getting this: That was 15 minutes ago. The 100% load seemed to be alternating between the cores. PC specs: i3 2130 processor. 8gb DDR3 RAM. ASUS P8-Z77M motherboard. Samsung 128gb SSD I've been trying to reproduce the problem, and while I'm not getting the 100% any more at idle, the system monitor is showing an average load of about 20-30%, that's with just Chrome and the System Monitor open. Oddly, if I touch nothing, it'll average out to about 20% - if I start moving the mouse around and do some typing, it's closer to 40%. Is this normal? Any help appreciated, I wouldn't even know where to start here..

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• Convincing Upper Management the need of larger monitors for Developers

  - by The Rubber Duck

  The company I work for has recently hired on several developers, and there are a limited number of monitors to go around. There are two types in the office - a standard 15" (thankfully flatscreen) and a widescreen 23". No developer has a machine capable of a dual monitor setup, and the largest monitors went to the people who got here first. Three or four new senior level developers only have a 15" monitor to work on. To make matters worse, there are perhaps a total of 25-30 DBAs/Testers/Admin types in the company who all have dual screen 23" setups. We have brought the issue to management, and they refuse to take away large monitors from people who have been here for years for the sake of new employees, even if they are senior level. We have pitched the idea of testers sacrificing a large monitor for one of our small ones, but they won't go for that either. What can I say to management to illustrate the need of monitors for developers?

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• dual display breaks unity

  - by dougleduck

  I find that most of the time, when I plug in my Dell 19" monitor with an HDMI lead, unity can't decide on the configuration; it will switch between different resolutions, and setups every 2-30 setusecond until I either ctrl-alt-backspace or unity crashes so I have to hard boot. Alternatively all the windows decorations and unity get killed. My setup is 11.10 64 bit,Dell Vostro 3550, AMD Radeon HD 6630M 1GB, Intel Core i5-2520M processor 2.50 GHz with integrated graphics card Currently I don't think the Radeon graphics card is working properly, but I'm not sure.

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• Erratic display behaviour on 12.04 using an Asus Zenbook

  - by Azarias R

  When I first plugged in my 23 inch monitor through the mini-VGA port, everything worked...both display were detected, and worked. On the second or third plug in, the internal display would turn off, and only the external display would work. When I try to 'detect monitor', I got "could not set the configuration for crtc 63" a few times. Now, when I plug in the external display, I get a screen full of orange color on the external display, and the laptop display turns off. The only way to get things back is to force turn off the laptop and restart. Unplugging/replugging monitor doesn't work, and seems like ubuntu crashes. Can anyone help?

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• Dual display setup - only one displayed after logon

  - by oneofthemany

  During boot process my desktop shows both Monitors, but after log I only get one. I'm using Ubuntu 11.10 When I go into Displays its still only shows on Monitor. Here is my graphics card details: 01:00.0 VGA compatible controller: nVidia Corporation G72 [GeForce 7300 LE] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Dell Device 0405 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at dd000000 (32-bit, non-prefetchable) [size=16M] Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at de000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at dfe00000 [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: nvidia Kernel modules: nvidia_96, nvidia_173, nouveau, nvidiafb

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• Does this use of Monitor.Wait/Pulse have a race condition?

  - by jw

  I have a simple producer/consumer scenario, where there is only ever a single item being produced/consumed. Also, the producer waits for the worker thread to finish before continuing. I realize that kind of obviates the whole point of multithreading, but please just assume it really needs to be this way (: This code doesn't compile, but I hope you get the idea: // m_data is initially null // This could be called by any number of producer threads simultaneously void SetData(object foo) { lock(x) // Line A { assert(m_data == null); m_data = foo; Monitor.Pulse(x) // Line B while(m_data != null) Monitor.Wait(x) // Line C } } // This is only ever called by a single worker thread void UseData() { lock(x) // Line D { while(m_data == null) Monitor.Wait(x) // Line E // here, do something with m_data m_data = null; Monitor.Pulse(x) // Line F } } Here is the situation that I am not sure about: Suppose many threads call SetData() with different inputs. Only one of them will get inside the lock, and the rest will be blocked on Line A. Suppose the one that got inside the lock sets m_data and makes its way to Line C. Question: Could the Wait() on Line C allow another thread at Line A to obtain the lock and overwrite m_data before the worker thread even gets to it? Supposing that doesn't happen, and the worker thread processes the original m_data, and eventually makes its way to Line F, what happens when that Pulse() goes off? Will only the thread waiting on Line C be able to get the lock? Or will it be competing with all the other threads waiting on Line A as well? Essentially, I want to know if Pulse()/Wait() communicate with each other specially "under the hood" or if they are on the same level with lock(). The solution to these problems, if they exist, is obvious of course - just surround SetData() with another lock - say, lock(y). I'm just curious if it's even an issue to begin with.

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• Dual NVidia graphics cards in Ubuntu / xorg.conf mania

  - by John Zwinck

  I have two NVidia graphics cards: Quadro NVS 295 (PCI Express, dual DisplayPort outputs) GeForce FX 5200 (PCI, DVI and VGA outputs) I have three identical monitors, two on DisplayPort and one on DVI. I'm on Ubuntu Hardy (and cannot currently dist-upgrade for separate reasons). I use the "nvidia" driver. What's new is the GeForce card and the third monitor. I currently have the dual DisplayPort monitors working fine. Here are the display-related parts of my xorg.conf: Section "ServerLayout" Identifier "Default Layout" Screen "PCI-Express Screen" 0 0 # adding this makes X fail to start: Screen "PCI Screen" 0 Inputdevice "Generic Keyboard" Inputdevice "Configured Mouse" EndSection Section "Module" Load "glx" # not sure why/if this is needed EndSection Section "Monitor" Identifier "DELL 2408WFP" Option "DPMS" EndSection Section "Device" Identifier "NVIDIA Quadro NVS 295" Driver "nvidia" Option "RenderAccel" "true" Screen 0 BusID "PCI:2:0:0" EndSection Section "Device" Identifier "NVIDIA GeForce FX 5200" Driver "nvidia" Option "RenderAccel" "true" Screen 1 BusID "PCI:6:4:0" EndSection Section "Screen" Identifier "PCI-Express Screen" Device "NVIDIA Quadro NVS 295" Monitor "DELL 2408WFP" Defaultdepth 24 Option "TwinView" "True" Option "UseEdidFreqs" "True" Option "MetaModes" "1920x1200 +0+1200, 1920x1200 +0+0" EndSection Section "Screen" Identifier "PCI Screen" Device "NVIDIA GeForce FX 5200" Monitor "DELL 2408WFP" Defaultdepth 24 Option "TwinView" "True" Option "UseEdidFreqs" "True" Option "MetaModes" "1920x1200 +0+0" EndSection I use nvidia-settings to configure my monitors, and it does not show the second GPU. lspci, though, shows: 02:00.0 VGA compatible controller: nVidia Corporation Unknown device 06fd 06:04.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] Which is where I got the BusID settings for the two devices (when I just had one device, I didn't have any BusID listed...and adding the BusID hasn't broken anything). What am I missing? How can I make nvidia-settings show my second GPU so I can then configure its monitor?

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• Color Calibrate Dual Monitor XP SP2

  - by Laramie

  This topic has been touched on before but not really answered. I have a dual monitor system and the colors differ wildly. I currently live Buenos Aires where color correction hardware costs premium prices. I do some graphic design, but don't require a pro-level calibration. That said, I'd like my monitors to be set as close to "true color" as possible. I've located the useful and free Monitor Calibration Wizard, but it seems to adjust the entire system internally at startup. I could use the Microsoft Color Control Panel Applet to set a different ICC or ICM profile for each monitor, but the Monitor Calibration Wizard outputs its own format for profiles.

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• Font configuration on Linux dual-head configuration with DPI's at 90 and 150:

  - by Jason Tholstrup

  I have a laptop with a 15" screen and a resolution of 1920 X 1200 and a 22" external monitor running at 1680 X 1050. This means the laptop runs with a dpi of 150 and the monitor runs at a dpi of 90. Is there anyway to get the fonts on the laptop to be readable while keeping the fonts on the monitor from being gigantic?

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• Old CRT screen's high resolution doesn't work anymore on windows 7

  - by Mixxiphoid

  One year ago I decided to switch from Windows XP to Windows 7. I had a 17" CRT monitor with a screen resolution of 1600x1200 which worked fine on Windows XP. While installing Windows 7 everything went well until Windows 7 was going to install the video card its driver. Windows 7 puts the screen to its recommended resolution and my screen became black. I waited a few minutes to be sure the installation was finished. I turned off the computer by hand and restarted the computer on a resolution of 800x640. When windows 7 was done installing I went to screen resolutions and the resolution of 1600x1200 was on the top of the list with '(recommended)' next to it. I tried putting it on 1600x1200 but again my screen went black. I installed all windows 7 updates including the video card driver from the NVidia site (NOT from Windows 7). I tried about everything to make it work on 1600x1200 but with no succes. The highest resolution I got with the crt monitor was 1280x1024. I had a TFT screen which had 1280x1024 as max resolution and had better colors, so I used that one till today. My video card is 9600GT and my power supply is beyond sufficient. I even tried to install the driver I had on XP to see if it worked, but no results. I tried classic mode on windows 7, changed the dpi, the frequentie and the monitor settings, but nothing worked. I really like a vertical resolution of 1200, but it seems today I'm bound to all those standard monitors with a resolution of 1980x1024... Can anybody explain to me what the cause is that it worked on Windows XP but not on Windows 7? And maybe a solution to the problem (I actually gave up on getting it fixed...) Thanks a lot in advance. SOLUTION I downloaded the according monitor driver and installed it. Next I rebooted my computer on low resolution (800x640) and connected the CRT monitor. When Windows 7 booted successfully I went to computer management and 'update the driver' of my monitor. I manually selected 'Generic PnP monitor' and made that one active. I want to advanced settings at 'Screen resolution' and selected the mode '1600x1200 (32-bit) 80 Hertz (95 Hertz did not work). Now I had my resolution on 1600x1200. I repeated the earlier step to select the original monitor again instead of the Generic monitor. Quite a way to solve this problem, but it worked! Thanks a lot you all.

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• Color Calibrate Dual Monitor XP SP2

  - by Laramie

  This topic has been touched on before but not really answered. I have a dual monitor system and the colors differ wildly. I currently live Buenos Aires where color correction hardware costs premium prices. I do some graphic design, but don't require a pro-level calibration. That said, I'd like my monitors to be set as close to "true color" as possible. I've located the useful and free Monitor Calibration Wizard, but it seems to adjust the entire system internally at startup. I could use the Microsoft Color Control Panel Applet to set a different ICC or ICM profile for each monitor, but the Monitor Calibration Wizard outputs its own format for profiles.

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• HDMI and DVI connected monitors not in dual view on Windows 7 (Intel onboard Gigabyte)

  - by Nux

  I have a HDMI to DVI cable which is connected to one monitor (HDMI is on PC side) and DVI-DVI connected to other monitor. This seems to work up until the system is fully loaded (the startup logo animation is shown on two screens). When and after I log in only one monitor is active (HDMI-DVI). I'm also unable to detect the other monitor (DVI-DVI). Any ideas what might be wrong with the setup? Also when I uninstall the Intel Graphics driver both screens are on, but only duplication works. GA-Z68A-D3H-B3, Intel Z68 Chipset, with fresh VGA driver (15.26.1.64.2618).

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• touchscreen in dual monitors but not as primary

  - by bazzjedi

  Hi, I have been looking for information about using a second monitor but thought of using a touchscreen will a touchscreen monitor work in dual set up, but not set up as main monitor which is the question. Can't find any information on this only when others set it has main. only this piece If you mean do the touch screen features still work on the other machine, the answer is yes. Past that, you can even see some of the touch screen features on a non touch screen monitor (just not the multi touch features!) For example, on the taskbar, click (without releasing) on any icon and then drag the mouse up, and you will see that it does the same as using your finger and dragging up. link|flag answered Feb 5 '10 at 15:14 Wil 47.4k125 have hp 2510 main thinking of hp2310ti touchscreen as secondary, grafic card geforce gtx 295- windows 7 professional regards bazzjedi

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• License Requirements for Including Dual-Licensed Open-Source Software

  - by Rick Roth

  How do you opt into one software license and not the other when the distributor gives the consumer more than one choice? For example I would like to use the DataTables JavaScript library in my web application. According to their web site, "DataTables is dual licensed under the GPL v2 license or a BSD (3-point) license." Furthermore, the source code of the JavaScript library has this text that calls out both licenses: /** * @summary DataTables * @description Paginate, search and sort HTML tables * @version 1.9.4 * @file jquery.dataTables.js * @author Allan Jardine (www.sprymedia.co.uk) * @contact www.sprymedia.co.uk/contact * * @copyright Copyright 2008-2012 Allan Jardine, all rights reserved. * * This source file is free software, under either the GPL v2 license or a * BSD style license, available at: * http://datatables.net/license_gpl2 * http://datatables.net/license_bsd * * This source file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details. * * For details please refer to: http://www.datatables.net */ Finally, the web pages with the licensing text (e.g. the DataTables BSD license page) has this statement: "DataTables is made available under both the GPL v2 license and a BSD (3-point) style license. You can select which one you wish to use the DataTables code under." My specific question is "how do you select which one you want to use." In my case, I want to only use the BSD license and I want to make it explicitly clear that I do not opt into the GPL v2 license in any way. How do you do that and have it hold up to legal challenge?

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• PCI-e SEALEVEL dual serial card not recognized on Ubuntu 14.04

  - by kwhunter

  New to Ubuntu, running 14.04. I have trouble with the serial port setup, I have a plug-in PCI-e SEALEVEL dual serial card that is not recognized. user1@WSIWORKSTATION2:~$ dmesg | grep tty [ 0.000000] console [tty0] enabled [ 1.577197] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 1.943326] tty ttyprintk: hash matches [ 17.240880] ttyS4: LSR safety check engaged! [ 17.241589] ttyS4: LSR safety check engaged! [ 17.242354] ttyS5: LSR safety check engaged! [ 17.243058] ttyS5: LSR safety check engaged! [ 17.243918] ttyS6: LSR safety check engaged! [ 17.244485] ttyS6: LSR safety check engaged! [ 17.245195] ttyS7: LSR safety check engaged! [ 17.245830] ttyS7: LSR safety check engaged! [ 17.246554] ttyS8: LSR safety check engaged! [ 17.247191] ttyS8: LSR safety check engaged! user1@WSIWORKSTATION2:~/Desktop/seacom$ lspci -d 135e: -vvv 02:04.0 Bridge: Sealevel Systems Inc Device e205 (rev aa) Subsystem: Sealevel Systems Inc Device e205 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- SERR- Capabilities: However, the manufacturer's drivers won't install: 1. user1@WSIWORKSTATION2:~/Desktop/seacom$ make install ---------------------------------------------------------------- Installing seacom suite. ---------------------------------------------------------------- --Installing utilities-- /usr/bin/ld: skipping incompatible ../../lib/libftd2xx.a when searching for -lftd2xx /usr/bin/ld: cannot find -lftd2xx collect2: error: ld returned 1 exit status make[2]: *** [setusb] Error 1 make[1]: *** [install] Error 1 make: *** [install] Error 1 2. user1@WSIWORKSTATION2:~/Desktop/seaio$ make install ---------------------------------------------------------------- Installing SD suite. ---------------------------------------------------------------- *Compiling SeaIO Library source file: digitalIoDevice.cpp gcc: error trying to exec 'cc1plus': execvp: No such file or directory make[1]: *** [digitalIoDevice.o] Error 1 make: *** [install] Error 1 I was not able to find a solution, so if anyone can help it will be much appreciated. PS Have some troubles with formatting my post, apologies...

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• wine 1.4 regedit makes screen flicker on 12.04 with dual monitor setup

  - by s1lv3r

  I have a dualmonitor setup running dual 23" on 1920x1080 which has the following problem: When running any wine application (for example "wine regedit" from console) the screen flickers and the windows have artifacts like this: Also sometimes taking a screenshot using the print key will make compiz crash (starter and all window bars/menus are gone) when an wine application is started. I don't have the same problems on my notebook which has the same setup. Only difference is the notebook has ATI Graphics and this PC has nvidia. This is the output of lshw -c video: *-display Beschreibung: VGA compatible controller Produkt: G72 [GeForce 7300 LE] Hersteller: NVIDIA Corporation Physische ID: 0 Bus-Informationen: pci@0000:07:00.0 Version: a1 Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress vga_controller bus_master cap_list rom Konfiguration: driver=nvidia latency=0 Ressourcen: irq:16 memory:fa000000-faffffff memory:d0000000-dfffffff memory:fb000000-fbffffff memory:fce00000-fce1ffff I also noticed that running xrandr from console makes the screen flicker for some seconds on this PC, which also doesn't happen on my notebook. Removing one screen from the setup will stop the flickering and the artifacts inside the wine applications from appearing. Does anybody have an advice what I could try to change to make this work?

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• Is this a dual monitor reset bug?

  - by Tentresh

  My two displays are: Intel GMA x4500 Laptop (1280x800 native resolution of the built-in display) External display (1920x1080) A few minutes after I login to my dual monitor setup, it gets reset to mirror screens. If I restore the settings via the displays application, everything is fine. On each reset, the following messages are written into /var/log/Xorg.0.log: [ 60.852] (II) PM Event received: Capability Changed [ 60.852] I830PMEvent: Capability change [ 132.920] (II) intel(0): EDID vendor "SEC", prod id 12869 [ 132.920] (II) intel(0): Printing DDC gathered Modelines: [ 132.920] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz) [ 134.228] (II) intel(0): Allocated new frame buffer 1280x800 stride 5120, tiled Whereas right on startup or manual resolution reset, /var/log/Xorg.0.log reports the expected frame buffer allocation: [ 1562.382] (II) intel(0): EDID vendor "SEC", prod id 12869 [ 1562.382] (II) intel(0): Printing DDC gathered Modelines: [ 1562.382] (II) intel(0): Modeline "1280x800"x0.0 68.94 1280 1296 1344 1408 800 801 804 816 -hsync -vsync (49.0 kHz) [ 1576.740] (II) intel(0): Allocated new frame buffer 3200x1080 stride 12800, tiled Is Ubuntu 12.04 not compatible with my video card? Can this be solved within Ubuntu? I like its interface, but manually fiddling with resolution on every login is not bearable.

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• HP Pavilion 15 with AMD dual graphics - Ubuntu live environment not starting

  - by creepus

  I've had this laptop for about a day now and have decided to try Ubuntu on it and determine if I want to install it. I created a USB, it booted (Secure Boot was on, I tried with Secure Boot off to no effect), and then the problem occurred. The screen turned off for a second, turned back on to a black screen, shut off again and turned back on with a dialogue box telling me that the system had to use low-graphics mode. I clicked OK, selected low-graphics mode from the menu and clicked OK. The screen switched to the boot messages and did not go any further than this. Ctrl+Alt+DEL started rebooting the laptop though. I tried booting again, but this time I edited the boot options in GRUB to add nomodeset. This time, the laptop only booted to a black screen. Ctrl+Alt+F2 took me to a prompt, I tried startx from there, but X didn't start, complaining that it wanted kernel mode setting back. I can not seem to find any option to disable one graphics chip or the other in the UEFI setup menus. Laptop : HP Pavilion 15-E004AU. The CPU : AMD A6-4400M APU with Radeon(tm) HD Graphics The graphics chip : AMD Radeon HD 7520G + 8670M Dual Graphics. The Ubuntu version : 13.10, 64 bit. Thanks. EDIT: I tried 12.04.3 LTS, it managed to bring the desktop up. There are severe graphics glitches after about two minutes though.

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• dual monitors and unity - ati radeon cards

  - by michiel

  I have a vaio laptop with an ATI Radeon video card and an external screen. I used to run dual monitors on Ubuntu 10.10 fine, but recently decided to upgrade to 11.10 via 11.04 I don't think it's the video card or the fglrx driver. It seems to be unity. When I start up, the laptop screen is normal and the external screen is all white, although I can move my mouse over it. However, the cursor becomes the big X that used to be cursor of the first versions of Xwindows. I can right click on it, and it brings up the context menu for the desktop. And then, all of a sudden, it shows my desktop background. I can continue to move my mouse over the external screen, and now the cursor is normal (little white arrow). But I can't do anything any longer (not even the context menu as before), and trying to drag a window to it (which always worked on 10.10) doesn't work. I actually really like unity. It gives me the most our of my desktop, and uses all space available, which is great. But how can I get my second screen back? I tried unity 2D, but the result is the same. Edit: I think I stumbled on this bug: https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/882143

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• Install Mac OS Lion on Macbook with existing Ubuntu 12.04 dual boot

  - by kash

  I don't usually create my own questions, because I can find what I need through other people's questions. However, this one doesn't seem to be anywhere, except in one place where someone is talking about not using Apple hardware. So here it goes. I am using Apple hardware. I have a MacBook 1,1 with Intel Core2Duo running Ubuntu Precise Pangolin flawlessly. I never considered starting with Mac OSx and dual-booting because I never liked Mac OS. Now that I'm realizing that the only way I'm going to be able to run my DAW (Reaper) nicely and use a Firewire recording interface is to run Mac OSx, I'm considering it again. I want to go the opposite direction of most people and install Mac OSx next to an existing Ubuntu installation and have a boot menu with refit. I've installed refit in Ubuntu and I've converted the .dmg file for Mac OS Lion to a .iso file. Now, should I mount the .iso in Ubuntu and run it there, or burn a DVD and restart? I'm trying to gauge how to do this without hurting my existing Ubuntu installation. I will of course keep looking for existing answers in the meantime.

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• Dual Monitor 'How To' for 12.04

  - by Kim Prince

  I recently built my own PC and was delighted with the result, except for a problem with dual monitors. After having tried a few different combinations of hardware, I think what I really need is a 'how to' explanation. My motherboard is an MSI Z77MA-G45, which has an analogue, a DVI, and a HDMI port. Initially I hooked monitors up to the DVI and analogue port and it seemed to work fine. Both screens worked independently of each other, it was great. After a few days I started turning my PC off at night, and when I tried to turn it back on it would boot into the terminal mode. I would have to turn one of the monitors off and after rebooting a few times, it would eventually boot into an X Window session. Occasionally I would see an error relating to Xorg. I upgraded the motherboard BIOS but that made no difference. Eventually, I installed a graphics card - an NVIDIA GeForce GT 520. Now it seems that my on board graphics have been disabled completely, and I am reliant on the graphics card. Furthermore, the graphics card seems to only recognise one screen at a time. (The first time I rebooted with both plugged in, it flashed up a message saying that it was auto-selecting DVI). Anyhow, I think I need some 'how to' (or perhaps 'where to'), from here. For example, is X Windows configuration the next place to look? And how do I go about configuring X Windows? (Note that in Systems Settings it says my graphics driver is 'unknown', and when I ask it to detect monitors, it sees only the one!)

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• Ubuntu Unity (64-bit) Bugs on Nvidia dual screen [closed]

  - by Kristofer

  On my work computer I have upgraded 10.04 to 10.10 and now to 11.04. Upgrades have mostly worked well and the dual screen setup is almost working. There are however a couple of annoying bugs which I tried to report but the bug reporting tool told me to ask about the bugs here. Here's what I have found: Auto-hide stops working. It doesn't seem to matter which application is maximised/covering the dock, it just stays on top. I have tested changing the autohide settings with no result. Scenario: One maximised window on each screen. If I now try to drag the window that doesn't have focus by dragging the top of the window nothing happens. I can also not give the window focus by clicking the top bar, I have to click inside the window and then I can drag the window. If I unmaximise the window with focus it does work and I can both change focus and drag the window directly by clicking the top of the maximised window. Any bug fixes coming for these issues? Any work-arounds?

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