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• Lenovo G580 Brightness Error caused by unsupported updates. How to revert?

  - by Arjun Bajaj

  I just installed the 64-Bit version of Ubuntu 12.04 on my newly bought Lenovo G580. The brightness control was working properly using the Live CD and when I first started the installed version. Then I updated Ubuntu and restarted my laptop, and suddenly now, I can't change the brightness. I think its caused by some update. And then I went and checked my update settings, and saw that Unsupported Updates were enabled by default. So now I need to fix this brightness issue somehow. What should I do to locate the wrong update and remove it? I don't even mind removing all the updates right now. Thanks for the help. :)

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• Will a Wubi install of Ubuntu effect my Windows installation in anyway? [closed]

  - by Oddysee

  Possible Duplicate: What are the benefits of a disk install vs. Wubi? And can I migrate my settings easily? Having never tried a Linux OS before, I want to dabble and take a look at one. Ubuntu seems like a good distro to go with (due to how popular it is) and I want to use Wubi to try it out. I just wanted to know if anything I do while trying out Ubuntu will effect my Windows Installation or the files pertaining to it in anyway? If so, is it potentially Windows breaking?

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• Unable to mount samsung galaxy S3 via USB

  - by dez93_2000

  Connecting as either MTP or PTP: neither allows one to see pictures saved as default by phone camera to DCIM folder on external SD card. Similar problems with previous models (e.g. S2) were solvable by 'usb utilities' in wireless & networking settings, but this is no longer present. Other suggestions have mentioned uninstalling various libraries... but i don't wanna just start cutting stuff without knowing it'll help. Any thoughts? Seems like a pretty epic fail from google & samsung. There's not even a linux section on the relevant google site... despite android's usb driver being part of the linux kernel which powers android. Boo!

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• How do I disable the new invisible border feature (ruins Compiz' Grid plugin)?

  - by Ike

  A new feature was added recently that adds an invisible border around the windows to grab for resizing (although i thought the new resize grip solved any big issues). This annoys me because it destroys the usefulness of the grid plugin of compiz.. i'm not sure if the border is part of compiz or gnome, but i'd like to know how to disable it. i couldn't find any options in ccsm or the window settings in gnome. See the screenshot to see how much waste is caused. These windows should match up instead of having blank space surrounding all of them.

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• FormatDate in Display Item Form Webpart

  - by H(at)Ni

  I've faced an issue that I wanted to display the date in the format of ('MMMM dd') that is retrieved from a sharepoint list in an arabic site collection. So, after googling this issue, I've found out that a possible solution to my poblem is using the function ddwrt:FormatDateTime that can be used as long as you'll include the following namespace xmlns:ddwrt="http://schemas.microsoft.com/WebParts/v2/DataView/runtime" My purpose was solved by writing this line of code in my xsl code behind for the webpart : ddwrt:FormatDateTime(string(@StartDate),3073,'MMMM dd') but that worked only if the webpart is inserted into an English site . After trying to search but in vain, I started to use my guesses that ended up doing something like that: ddwrt:FormatDateTime(ddwrt:FormatDateTime(string(@StartDate),3073,'dd/MM/yyyy'), 3073, 'MMMM dd') And the cause of the problem was that sharepoint parses the date as 'MM/dd/yyyy' which I think could be related to server regional settings, so I had to force it to parse the date in arabic-Egypt format as 'dd/MM/yyyy' in order to get the correct 'Month Day' format as expected.

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• No boot record when installing 13.04 from USB on WinXP

  - by Phil Leslie

  I'm replacing WinXP with 13.04 on an older PC using wubi.exe on a USB stick. I had no problem changing the BIOS on another system that was a bit newer but when I change the settings on the older PC to boot from USB, I get a DOS message saying "Searching for boot record...Not found" & asked to try again. I don't have the ability to boot from a live CD so is there a reason why I can boot from a USB on a newer computer but can't from an older one? Both have options to choose to boot from USB, but the older one can find no boot record. The system was built on 12/13/01 by American Megatrends. Since I don't have enough "reputation points" to post the screen shot image, you can see it at http://img.photobucket.com/albums/v633/boonevillephil/1029131748-00.jpg.

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• Loss of privileges when enabeling auto log-in to encrypted home folder

  - by reav

  I use Ubuntu 11.10 with Gnome Shell and have an encrypted home folder. I enabled auto log-in through the system settings/users-admin menu, as I expected it didn't work (because of my encrypted home folder/user I suspect). But now I don't have privileges to mount my eksternal hard-drive, and I can no longer disable the auto log-in function, since the un-lock button in users-admin menu is grayed out. It seems like my users privileges has been degraded. Does any one have an solution to how I disable auto log-in and regain my privileges?

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• Change clock resolution to 1000 Hz

  - by Ricky Robinson

  I am running Ubuntu 12.04 and I need to change the clock resolution to 1000 Hz (now it's 250 Hz, the default value). I understand that I have to set it and then recompile the kernel, as for example described here. It's not clear, though, how I can do it from the terminal, as for instance the suggested make menuconfig won't work. Any tips? My current settings are: $ cat /boot/config-3.8.0-29-generic | grep HZ CONFIG_NO_HZ=y CONFIG_RCU_FAST_NO_HZ=y # CONFIG_HZ_100 is not set CONFIG_HZ_250=y # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_MACHZ_WDT=m

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• HP 510 laptop doesn't suspend when I close the lid

  - by Yuri

  I have an HP 510 laptop with Ubuntu 12.04. I have all the correct settings for suspending when the lid is closed, as far as I can tell, so I think it's a problem with detecting the event. The way it "should" be detected, from what I can see, is a little hardware switch that is pushed when the lid closes. This switch manually puts off the backlight, and sends the suspend signal. All I can think is that the signal isn't being properly interpreted. Can anyone suggest a fix? Update: I tested whether the button was actually working based on the suggestion by josinalvo, and I found that in the directory /proc/acpi/button/lid/ there is no LID directory. There is, however, a C1CF folder, and in it is a state file. When using the this file instead of ID, I discovered that, no, when I close the lid, the state does not change.

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• Why must I restart for HDMI audio?

  - by David Shochat

  I have a System76 Lemur Ultra laptop, which has an HDMI port. When I plug in the HDMI cable, it is recognized immediately for video, but not for audio, i.e., it does not show up in the Output tab of the Sound Settings dialog. However, if I do a full restart with the cable plugged in, then it does show up and can be selected. I've also discovered that manually killing and restarting pulseaudio with the HDMI plugged in will force it to be recognized as an available audio output. So my question is, what is broken here? I've thought about writing a bug in launchpad, but I don't know which component is malfunctioning. Is it the kernel? ALSA? Pulse Audio? Something else? By the way, the same bug seems to exist in reverse, namely if I disconnect the HDMI, it is still listed in the Output tab until I again restart the OS. This is 12.04 LTS.

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• horizontal line across screen at startup

  - by Debbie Poole

  I recently ran an upgrade from 12.04 to 12.10 and was using Nvidia current tested drivers and all seemed ok at first. Then suddenly every time I started the computer and shutdown, the graphical plymouth logo changed to text.The only changes I made to try to correct this issue were; sudo apt-get --purge remove nvidia-current nvidia-settings sudo apt-get --purge autoremove sudo apt-get clean sudo apt-get update sudo apt-get install nvidia-current and this made no change at all to the display. Then I read somewhere that Nouveau drivers may be the answer, so I installed them to use instead, and hey presto, the shutdown screen displays the Plymouth splash. However with startup, I get a stable purple screen, for a while, and than a thick black horizontal line appears, really ugly-looking, and then the loging screen appears to be ok. Can I correct the login screen same as the shutdown screen?

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• Internal and external API architecture

  - by Tacomanator

  The company I work for maintains a successful SaaS product that grew "organically" over the years. We are planning to expand the line with a suite of new products that will share data with the existing product. To support this, we are looking to consolidate business logic into a single place: a web service layer. The WS layer will be used by: The web applications A tool to import data A tool to integrate with other client software (not an API per se) We also want to create an API that can be used by our customers that are capable of using it to create their own integrations. We are struggling with the following question: Should the internal API (aka the WS layer) and the external API be one in the same, with security and permission settings to control what can be done by who, or should they be two separate applications where the external API just calls the internal API like any other application? So far in our debate it seems that separating them may be more secure, but will add overhead. What have others done in a similar situation?

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• 'Invalid or corrupt kernel image' error while booting from USB stick

  - by steve

  I got the Ubuntu 11.10 32-bit edition and i used Unetbootin to write the ISO to a usb stick.After that i tried to boot from the stick,having changed the BIOS boot settings,and when the first interface shows up with the choices of istallation,whatever choice i select i got the message"invalid or corrupt kernel image".I use a netbook with windows 7 on it.I tried different usb sticks but same again.I also tried Universal USB installer instead of Unetbootin but same again.Any idea of what happens?I am using ASUS 1000H.The USB doesn't work in one more PC i tried to,but i also tried a second USB to both of the two computers and same again. I downloaded the ISO image once again and follow the same procedure but same again

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• How do I fool 12.10 to think it uses Unity2d in order to get the resolution my screen can use?

  - by Konstapel Kask

  On a laptop (model older) I have two screens (one built in, one external). I wish to use them both at the same time, but the settings app complains: Requested size (2944, 1080) exceeds 3D hardware limit (2048, 2048). You must either rearrange the displays so that they fit within a (2048, 2048) square or select the Ubuntu 2D session at login. The problem though, Unity 2D has been discontinued. I have forced Ubuntu to render Unity in 2D mode (with the help of echo export UNITY_LOW_GFX_MODE=1 >> .xprofile in accordance to this askubuntu post. But the error message still remains. How can one get the resolution that my computer supports? Or, how can I assure Ubuntu that it truly does use a 2D session?

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• How do I customize Alt+Tab behaviour?

  - by David Oneill

  GOAL: I would like to make the little menu that pops up when I press Alt+Tab to gain the ability to jump to a particular window by pointing my mouse at one of the icons. This is the behaviour that my Mac OSX laptop has. The Situation I use Xfce, with the default windows manager (XFwm). I currently have Ubuntu 10.04 and 11.10, although I plan on updating both to XUbuntu 12.04 once the dust settles (probably mid-may?). (Clarification, for my current setup, I installed Ubuntu, then added xfce manually after the fact). So, a series of related questions. How do I set this up? (If this is not possible, please answer the following questions to help me learn) Is the Alt+Tab a function of the desktop environment, or the windows manager, or some other piece? (IE if I switch to using some other tool, could I potentially get this) Are there any customizations that are available either from settings or add-on applications that would allow me to change the behaviour of that menu?

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• My webcam is not working with Google+ Hangout, can I make it work?

  - by suli8

  I just got an invitation for Google+, the video conference feature "hangout" is the first feature I checked out, and unfortunately the webcam is not working, the mic and speakers work ok. When I started it, it recquired me to install a new version of Google Talk plugin 2.1.7.0. It seems that now the gmail chat and the chat within empathy( that used to work) does not work either. in the settings of the webcam in google hangout window my only option, is gspca driver. Notice that my cam had problems with skype, and i had to go around it by env LD_PRELOAD=/usr/lib/libv4l/v4l2convert.so skype How can I make it work?

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• All video thumbnails fail to be generated

  - by Forage

  Not a single video thumbnail is being generated and shown in Nautilus. The folder ~/.cache/thumbnails/fail/gnome-thumbnail-factory/ keeps getting filled for all of them. I tried removing all the thumbnails from the folder, reinstalling the gstreamer-plugins-... and totem packages, changing the thumbnail settings (Always, 4 GB) in the Preview section of the Nautilus preferences. All to no avail. Some recommend to install packages like libxine1 and ffmpegthumbnailer but this didn't not solve it either. There used to be an .xsession-errors error log file generated in the home folder in previous version of Ubuntu but that doesn't seem to be the case any more. I'm running Ubuntu 12.10 GNOME remix (x64) with the GNOME3 ppa packages installed. What could be the cause of the problem and how can I fix it?

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• How can I change the wallpaper using a Python script?

  - by furtelwart

  I want to change my wallpaper in Ubuntu 11.10 (with Unity) in a small Python script. I found the possibility to change it via the gconf-editor in /desktop/gnome/background/picture_filename. With python-gconf, I'm able to change the necessary values. Apparently, the gconf string is not read out. If I change it (either via a script or via gconf-editor), the wallpaper remains and in the menu of "Change wallpaper", the old wallpaper is shown. How am I able to change the wallpaper for Unity via a Python script? The following code does work. Apparently, the gsettings are only applied, if some Gtk code is executed. #!/usr/bin/python # -*- coding: utf-8 -*- from gi.repository import Gtk, Gio class BackgroundChanger(): SCHEMA = 'org.gnome.desktop.background' KEY = 'picture-uri' def change_background(self, filename): gsettings = Gio.Settings.new(self.SCHEMA) print(gsettings.get_string(self.KEY)) print(gsettings.set_string(self.KEY, "file://" + filename)) Gtk.Window() print(gsettings.get_string(self.KEY)) if __name__ == "__main__": BackgroundChanger().change_background("/home/user/existing.jpg")

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• My Generation Drivers DropdownList Empty

  - by hmloo

  I just installed MyGeneration 1.3.1 on my Windows Vista, and when I try to setup the default settings there are no drivers to select from. but it's OK in my Windows XP machine. At last I got the answers from search engine, it is caused by multi .Net Frameworks coexist and MyMeta.dll is registered by the .Net v2.0 while it should be registered with the .Net v4.0. So we have to manually register the dll. Please follow these steps: 1. Run Visual Studio Command Prompt (2010) with "Run as Administrator". 2. Enter the command "regasm.exe "C:\Program Files\MyGeneration13\MyMeta.dll" /tlb: MyMeta.tlb" 3. Exit Command Prompt when successfully registered. 4. Run MyGeneration and the proplem should be disapear. Hope this helps. Thanks for reading.

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• alt+shift can't be set to toggle language

  - by Ali

  I recently did a fresh installation of Ubuntu 13.10; but there is something bothering me, which I don't quite understand. When I first tried to toggle the keyboard language(I usually switch between Persian and English) using the good old "alt+shift" shortcut it didn't work. Then, I went and checked the Keyboard shortcut settings and found out that it had been set to "super+space"(which BTW didn't work either). So I tried to change it back to "alt+shift" but it just doesn't work; when I press "alt+shift" to set it up as the toggle-language shortcut, the box automatically resets itself to its previous value(without any errors whatsoever). As far as I've checked I couldn't find any thing obvious corresponding to the shortcut "alt+shift" either. I've currently set up the shortcut as "Ctrl+space"; so I can toggle the language. My question is why I cannot set it up to just "alt+shift"?

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• Power button missing

  - by Christophe De Troyer

  An almost clean install of Ubuntu 13.10 keeps hiding the power button. I noticed before that my clock and power button were missing in the right top corner. I rebooted my system and they were back. Now I see my power button only is missing. How do I go about fixing this? I can't keep rebooting, can I? The latest thing I did was removing Ubuntu One: Removing Ubuntu One I don't think I did something that might've tinkered with these settings though.

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• Connecting Ubuntu 11.10 to Samsung LSCD TV over HDMI TV, gives screen in green and lila

  - by Gorog Imre

  I have a Dell 5720 laptop with ubuntu 11.10. I can't connect to my Samsung LCD TV (over Marantz nr 1601 AV). Audio is ok but the pictures are displayed in two colours: green and lila ! Please send me a massage how can I fix this problem ! Thanks a lot. I am very confused because I do not do anything however it comes(seldom) to the right colouring but only for a while(5minutes) and returns to the green-lila picture again when I do something else for example surfing with firefox or starting other programs ! The settings : resolutions of laptopscreenplay and TV are the same and I did not change the colour profile as well . My laptop screen is HD+ truebright (1600x900) and my TV SAmsung 1280x720 I have no idea what to do my HDMI connection to make right with the colours! How can I fix this situation to gain a stable colouring ?

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• can't ping from virtualbox ubuntu server --nat connection

  - by George

  i set up an ubuntu server in virtual box following these and these instructions.My connection worked,also ssh . Then, i signed up in dyndns.com ,i configured the router ,but in the port forward i changed the 2222 port to 80 because it couldn’t forward from 2222.My port is open and accepting connections but i don’t have any more connection from the server in the virtual box. From virtual box settings-network-port forwarding , i use: Host IP :127.0.0.1 , Host port :80 , Guest Port :22 ,Guest IP : its empty. I am not sure if i am using right the address in /etc/network/interfaces , i use 192.168.0.2 and also this address i use for the firewall rules in the router. Also,in the server /etc/resolv.conf i put that address and in /etc/mysql/my.cnf. I can ping that address but nothing more.(of course neither ssh works) Thank you

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• Wired connection stops working suddenly

  - by user90950

  I have Ubuntu 12.04.I was downloading something via aria..and then it suddenly stopped..no connection to Internet. I tried to ping the host but no reply..also tried to ping the route 192.168.250.1 but no reply got a message saying 'Ubuntu 12.04 has experienced internal error'. I restarted system but nothing is sorted out. The wired connection 'establishes' but I am not able to use Internet or ping either to host/route/8.8.8.8. The wireless is working fine and it does connect to Internet. I have a static IP address for wired connection and it does connect to Internet on Windows OS installed on this same Laptop with same IP settings.. please suggest how do i get my wired connection start working properly again..

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• eGalax Touchscreen not working Jolicloud 1.2

  - by craigsmith86

  I have an eGalax touchscreen on an Acer Aspire One running Jolicloud 1.2 I have had success getting this touchscreen to work correctly on ubuntu 10.04NBR, 11.04 and Kubuntu 12.04 and Puppy Linux, so I am pretty happy with how it SHOULD be done. However, I cannot get it to calibrate correctly or remember calibration settings. I have installed the eGalax utility (all available versions) and it does not recognize the screen. Xinput_calibrator works but the config cannot be made permanent. Problems I have identified: -Joli doesn't have an xorg.conf file and does not use xorg.conf.d for evdev configuration -Setting configs through Hal doesn't work anymore The best I can get is a poorly adjusted touchscreen with a reversed Y axis. Any help greatly appreciated

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