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• Issues with Dz77BH-55K Motherboard and i7 processor on 12.04

  - by Naveed

  I just built a computer with Intel's DZ77BH-55K motherboard with i7-3770 processor. On 12.04, 11.10, and 11.04 and Linux Mint 12, the computer has been really laggy. The graphics aren't working (choppy effects, bad resolution) and the keyboard and mouse inputs are even laggy and unreliable (skips keystrokes). I'm not sure what the problem is or what I can do to fix it. I tried sudo apt-get install mesa-utils but nothing changed. I've also messed around in the BIOS but no luck there either. Any ideas? Could it possibly be a hardware issue?

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• Hotkey to shut down from login screen?

  - by Skizz

  I used to run 9.04 on my server and used to be able to use Alt-T, Alt-S to shut the system down from the login screen. It was using a KDE login screen. Now I've upgraded to 10.04 and use the Gnome login screen and I can't see any keyboard shortcuts to shutdown the server. Is there a shortcut and if so, what is it? Further info - I would normally shut down the server without turning on the monitor, which was easy using the keyboard shortcuts. Doing it with a mouse is not so easy without the monitor being on.

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• Ubuntu scrollbars don't render on Cygwin X server

  - by David M. Karr

  I have an ubuntu 12.0.4 desktop. I have a Win7 laptop running Cygwin. I can display windows from the Ubuntu box on the Win7 laptop using the Cygwin X server, but the window is somewhat "degraded". Specifically, scrollbars are not rendering properly. I've used Ubuntu before, but this is the first time I've seen these odd scrollbar popups that are used in 12.04. I'm guessing the Cygwin X server is having trouble rendering that for some reason. In the Cygwin view, I see the slightly thicker vertical bar, but when I hover the mouse over it, nothing happens. I'd really prefer to get conventional scrollbars. Can I configure Ubuntu 12.0.4 to do this, which might result in Cygwin being able to display them?

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• How do I make my volume indicator operate in decibels instead of percentage?

  - by ethana2

  When I want to adjust the volume of anything I'm doing, I find that using the volume controls built into Ubuntu is little but confusion. When the volume is around 100%, dropping it several increments has almost no effect on apparent volume, but when it's around 0%, the effect of one click of my mouse wheel is probably a good 3 decibels. I have observed this behavior on tens of different UC's, since I convert about one Ubuntu user a month (NE team contact). This has proven so frustrating to me that I tend to use the volume knob on my guitar amp ( mono audio :| ) instead of the volume indicator. What can I do to make my volume indicator behave properly until this is fixed? I want each volume increment to be one half or one third decibel. Is there a different piece of software I should use for system volume configuration perhaps?

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• Lenovo Thinkpad R500 having problems resuming

  - by Nicolas Raoul

  Yesterday I installed Ubuntu 11.04 from scratch on my Thinkpad R500, leaving the default power management settings. Yesterday I closed the lid, and this morning when I opened it the laptop resumed correctly. Today during lunch the laptop went to sleep without me closing the lid, and there was no way to wake it up by typing ESC or moving the mouse or TrackPoint. No disk activity at all. When I briefly pushed the POWER button, the laptop rebooted completely, losing my opened applications. Is it a known problem with Natty/Lenovo Thinkpad R500/ATI? Any idea what could fix the problem?

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• Gnome3 pointer barrier not working with dual monitors

  - by Nathan

  I have a dual monitor setup using Gnome3. Misc Info : In the past I used Fedora, there was a pointer barrier between my two monitors in the upper left corner so that I can hit the hot corner when moving from the right monitor to the left monitor. Problem : However, with my new Ubuntu installation, the barrier no longer exists and my mouse pointer glides straight to the next screen. This makes that hot corner nearly useless. I've looked around, messed with the values in /usr/share/gnome-shell/js/ui/layout.js, but I can't figure out how to make the pointer barrier work. may someone suggest hot to get the full utilization of hot cornet.

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• Developing a computer system based on Nand2Tetris [on hold]

  - by Ryan

  I recently finished a book called Nand2Tetris (nand2tetris.org) where I built my own computer system from scratch with its own machine language, assembly code, and a high level language called Jack that's translated to Hack binary. However, I feel like the "computer" I built throughout the course of this book (called the Hack computer) is a bit too simple for various reasons: 1) There are only two registers (D and A), whereas most computers have much more 2) Peripheral devices like mouse and keyboard have to be directly implemented 3) Peripheral devices use a pre-planned shared memory map to communicate with the CPU instead of using interrupts (which aren't covered at all) 4) Jack (the high level language) code doesn't compile to Assembly code directly, instead it compiles to an intermediate language, which in turn gets translated to Assembly. 5) There is no ROM or permanent storage device, everything is stored in RAM 6) No support for colored monitor, networking or sound I would like to build a more complicated computer system now based on what I've learned from Nand2Tetris. Does anyone know of any good resources or books to get started on this? (BTW by computer system I mean software that can emulate the hardware of a virtual computer with its own unique instruction set)

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• Convert Your Workspace to Standing Height for $22

  - by Jason Fitzpatrick

  If you’d love to try out a standing workstation but you don’t want to shell out $$$ to buy or build one, this simple $22 project will raise up your workspace surface on the cheap. All you need is a LACK side table, some shelf brackets, a shelf, and some screws. The side table goes on your desk, the monitors go on the side table, and the keyboard and mouse go on the shelf (mounted to the brackets that have been positioned at the perfect height for your forearms). Hit up the link below for more pictures, tips, and a downloadable build guide. IKEA Standing Desk for $22 [via Unpluggd] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• WUBI install not completing on Dell Latitude D600 using 10.04 and 10.10

  - by Dennis

  While trying to install a dual boot from LiveCD, WUBI seems to go through all the steps correctly. It unpacks everything, reboots, starts to finalize the install, brings up the install slide show and seems to do everything necessary. The slide show disappears and what is left is what would normally be the background, however there is no login, no panels, no response to any input or keystrokes. Using 10.04 I had a mouse cursor (working) with 10.10, not even that. In 10.04 The only way to reboot is to shutdown using the power switch. When it reboots it goes through the "finalizing install" phase again. In 10.10 if I hit the power switch it brings up a shutdown menu that doesn't respond to the keyboard, but does shutdown when the 60 seconds expire.

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• Laptop buttons not working on a Dell Latitude e6400

  - by Ido

  I have install Ubuntu 12.10 64 bit on my Dell Latitude E6400 laptop. I have the latest bios version for my laptop (A32) which I downloaded from the official Dell website by checking updates that matches the service tag on my laptop. I'm having serious problems with all the mouse buttons on my laptop. The right-click button doesn't work at all under any circumstance. The left click button only work when clicking on icons in the left side-bar and in the top menu (like clicking on the power icon in the top-right corner or clicking on the file menu). However none of the buttons work in any of the applications even simple one like the file browser (home folder). For example when I try to click on a folder inside nautilus it doesn't work or when I try to click on the "x" close icon to close the window it also doesn't work. Can you help me figure it out?

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• White lock screen in Gnome 3.4

  - by kedmond

  I'm using Gnome 3.4 on Ubuntu 12.04. I've noticed that my lock screen is white. If I move the mouse, click, or begin typing my password, my wallpaper appears in the background with the password prompt window, as you'd expect. But I don't think the default lock screen is supposed to just be a white screen, is it? How do I fix this? I can't seem to find anyone else with this problem and I don't know what I need to reinstall or change. Thanks!

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• unmet dependencies updating Intel graphics driver

  - by Nick Jacobs

  I am trying to update my graphics driver by running: sudo apt-get install xserver-xorg-video-intel But I keep getting this message: Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: xserver-xorg-video-intel : Depends: xorg-video-abi-11 E: Unable to correct problems, you have held broken packages. When I run: sudo apt-get install -f Nothing happens, because the program doesn't even get half way to installing. I am running Lubuntu 12.04 on a HP Mini 110 netbook. I have tried changing to several different ppa's but that doesn't work. I want to update my driver so that my mouse stops flickering and ScummVM stops flickering every minute.

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• Friday Fun: E7 (Mission to Save Earth)

  - by Asian Angel

  It has been another long week at work and you should take a few minutes to relax and have some fun. In this week’s game you journey to E7 in an attempt to find and destroy the deadly bomb that is aimed at planet Earth. Can you survive the journey across the planet and complete your mission? Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• How do I improve my ability to manipulate code quickly, not wpm?

  - by Steve Moser

  I have seen several questions on here about touch typing and words per minute but not about improving ones ability to manipulate text using keyboard shortcuts, bindings etc. I have tried putting a cheat sheet of keyboard shortcuts next to my monitor but I can never incorporate them in my 'flow'. I have also tried the 'just use vi and don't touch the mouse' method but that only helps me with navigating code and not editing. I would prefer to use some application (or game) to learn text manipulation. But it looks like nothing like that exists (app idea?). I'm open to other suggestions too.

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• [JOGL] my program is too slow, ho can i profile with Eclipse?

  - by nkint

  hi juys my simple opengl program is really toooo slow and not fluid i'm rendering 30 sphere with simple illumination and simple material. the only hard(?) computing stuffs i do is a collision detection between ray-mouse and spheres (that works ok and i do it only in mouseMoved) i have no thread only animator to move spheres how can i profile my jogl project? or mayebe (most probable..) i have some opengl instruction that i don't understand and make render particular accurate (or back face rendering that i don't need or whatever i don't know exctly i'm just entered in opengl world)

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• How to change screen resolution in slick2d?

  - by SystemNetworks

  I released my game for testing for both windows and mac. I'm using mac as my development workspace. My friends uses windows and the window was to big. I created a 1000*1500 Screen window. I can change the window size but that means I have to re-do all my sprite sheets again with smaller sheets. I don't want to this again but is there a way which I can make the window smaller without changing the size of my sprite and changing co-ordinates of the mouse clicks?

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• Why does 12.04 freeze when using multiple desktops?

  - by Dustin

  I am using 12.04 32-bit, upgraded from 11.10. Within the last week and a half Unity has hung on me with no option but a hard reboot, which I hate. It usually happens when I am using multiple desktops and applications and switching desktops. The screen just hangs, sometimes broken between desktops and applications, I can move my mouse but cannot click on anything. alt+f2 , HUD , super+w/s/d and alt+tab/~ does nothing, they do not activate. I let it rest for 15-20 minutes in hopes it will sort itself out but nothing. I'd hate to move to Unity 2D, but I can't risk having to do hard reboots/shutdowns, or moving to a different DE. Other information: the only PPA's I have added recently would be the word lens. 2.8GB RAM processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 127 model name : AMD Sempron(tm) Processor LE-1250 stepping : 2 microcode : 0x83 cpu MHz : 1000.000

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• the window of calender is out of the screen

  - by draw

  hi, I've been using a external 21.5' monitor for my laptop of 12.1' monitor, and moved my top panel to the right and add a new panel to the bottom edge of the screen. A screenshot of the right part of my desktop is here: http://i.imgur.com/kOHwT.png As you see, The window of the calender is out of the screen. The alt+left mouse button did not work. How do you move the calender window? update: I managed to come up with a solution to get the window or panel of cal in the screen. Just remove the panel of clock and re-add it. But unfortunately, the preferences are lost. You have to reset the preferences, such as locations... but after re-adding 2 locations, the window of cal panel was just shown as the same of the previous screenshot before.

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• xmonad keyboard doesn't work

  - by Mikkel Paulson

  I'm experimenting with xmonad, which I installed from the Ubuntu Software Centre on Ubuntu 12.10. It looks cool, but when I invoke it (using xmonad --replace from the command line) my title bars disappear and my keyboard stops working. At all. The terminal stops working, the keystrokes I've seen in online "getting started" guides are ignored, and the only way for me to actually power the system off is to hit the reset button or ssh in from my phone. Ironically, my mouse still works. One guide I saw suggested replacing the default window environment with xmonad, but I'm afraid of rendering my system completely inoperable if I do that. Any suggestions?

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• Problems installing 13.10 inside VMWare Player 4

  - by Thomas S.

  In the past I had no problems installing Ubuntu 12.04 inside VMWare Player 4.0.4 on my Windows 7 Pro machine. Now I installed Ubuntu 13.10 and have a couple of problems: the default screensize (even during the installation) is gigantic I've told Ubuntu to automatically login - after reboot the gigantic screen occurs without showing anything, without doing anything on mouse clicks, Ctrl+Alt+Backspace does not work switching to console using Ctrl+Alt+F1...F6 works, but is incredible slow invoking 'sudo reboot now' does not succeed, it prints Killing all remining processes... [fail] Restoring resolver state... [ OK ] Will now switch to single-user mode root@ubuntu1310:~# invoking now 'shutdown now' will soon show the same error. What I need to do to get Ubuntu 13.10 up and running in VMWare Player?

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• openGL Camera setup for Zoom in/out centered at point under cursor

  - by user3228921

  I am trying to implement a zoom in/out navigation mode in a openGL 3dViewer. I was able to implement zoom functionality centered at screen center just by moving eye towards the center in perspective mode. Now i am trying to do the zoom centered at arbitrary position under the cursor. I am unable to figure out how should i move my camera forward and backward such that point under cursor remains at the same screen coordinates after zoom in/out. Any help would be appreciated. Below are the images which show the desired effect. Just to mention, I am working in a perspective mode with eye target and up vectors to control camera. Same effect i found in google sketchup and 'zoom to mouse position' setting in blender.

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• Visual Studio 2010 Zooming Keyboard Commands, Global Zoom

  One of my favorite features in Visual Studio 2010 is zoom. It first caught my attention as a useful tool for screencasts and presentations, but after getting used to it Im finding that its really useful when Im developing letting me zoom out to see the big picture, then zoom in to concentrate on a few lines of code. Zooming without the scroll wheel The common way youll see this feature demonstrated is with the mouse wheel you hold down the control key and scroll up or down to change font size....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How do I get one monitor on top of the other in Ubuntu 10.10?

  - by Jan

  I'm using a laptop and a monitor (wall mounted) over my laptop. I would like to reflect this physical hardware setup in my software screen setup. So that I can move my mouse upward, out of my laptop screen and use the monitor on the wall. I have been searching for a solution for a while, and I hope somone can help me out. I'm using Ubuntu 10.10 "out of the box". Side by side screen setups works just fine, over/under is doesn't work.

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• How do I disable the global application menu?

  - by Michael Ekstrand

  I'm fairly excited for Unity, as it looks like a promising new direction for Ubuntu. However, I do have a concern - will it be possible to use Unity without the global menu? I have my window manager set to focus-follows-mouse/sloppy focus, and find the productivity gains to be immense. Sloppy focus is incompatible, however, with global menus, as it is possible for the focus to change while you move from window to menu. Will Unity support an option to use window menus while still using Unity?

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• Effects of automated time tracking/monitoring [closed]

  - by user73937

  What are the effects of monitoring the developers' computer usage? (Which program they use - based on the title of the applications - and how much time in a day they use the keyboard and mouse.) Would it has any positive or negative effects on productivity, morale, motivation, etc? It will not have any direct impact on the developers' salary or their performance review it's just for curiosity. The developer and their manager will only see the results. Would it change anything if only the developer is allowed to see the results? The developer can disable the monitoring (for privacy) but it won't count as work time (in the monitoring program).

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