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  • Why does nothing work after I randomly changed some file permissions?

    - by Josh B
    Ok so last night i was trying to set permissions to some folders in my File System, since apparently im not an admin on my own computer. And now everything got messed up today and i don't know what to do.. I lost my internet, the icon is not showing in the taskbar anymore. I lost my sound, there is no sound devices listed when i go into the sound menu. I can not log into root anymore, it gives me "sudo: must be setuid root" I can not plug anything in anymore, it will not recognize flash drives or external hard drives. It gives me a Internal Error message everytime i log in It doesn't let me log into the Grub screen anymore on boot up. What did i do? I have a lot of files on here i wish to put on a flash drive but it won't recognize it.

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  • Alt + Tab window switcher preview stoped working

    - by umpirsky
    It just stopped working. After I boot Ubuntu it does not work. When I run unity --replace it works again, but after restart problem occurs again. And that happens on every reboot. I have some startup apps, but I don't think that can be the problem. Any idea? UPDATE: Looks like I had some problems with firefox causing Alt+Tab to stop working. After reinstalling firefox and computer restart it works.

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  • Wireless Disabled (Network Manager)

    - by Peter Kihara
    Am Having issues with My Wireless 1 My laptop had dual boot windows 7 and Ubuntu 13.04 I upgraded to windows 8 and after the first 2-3 reboots all was working well in windows and ubuntu then my wireless in ubuntu stoped working saying "wifi is disabled by hardware switch" the hardware switch has no effect I removed network manager installed new firmwares and still nothing the wifi was not working in a moment of testing I installed wifi radar and this can detect the wireless signals and at one point it connected but still Network manger still says disabled. My Laptop is a HP Pavilion dm4 2070us with Wireless Centrino N 1000 I have updated to 13.10 thinking it would fix it but still nothing

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  • Install 12.10 using Logitech Keyboard and mouse with bluetooth dongle

    - by Ryan
    I'm trying to install 12.10 on my system, but my mouse and keyboard are not working during installation. I use the Logitech MX5500 Bluetooth mouse+keyboard combo with a Bluetooth dongle. My keyboard and mouse work in my UEFI bios, and during the Windows 7/8 installation. My keyboard also works in the Ubuntu screen that allows me to set options, install, use the live cd, etc, before boot. I'm wondering if anyone knows a way to get this dongle working during the installation process so that I can actually install 12.10. Thanks.

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  • how to add programs to ubuntu without internet access

    - by captainandcoke
    I don't have internet access at my home and it takes me about a half hour to ride my bike to the library. I have downloaded .deb files to try to install at my home computer but everyone I have downloaded says it can't install because it depends on package X. The next day I will download package X and it will require package Y. Is there anyway to find out what ALL the sub-dependencies are for deb files? I have tried to boot from USB or External Hard drive on the library computers but the security settings prevent this. Also, I do not know anyone with a Linux computer.

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  • Fail to load Ubuntu11.10 onto ASUS PC 1015PX

    - by strugglingbadly
    My new ASUS 1015PX has the usual windows on the SDA1 partition - 100Gb, followed by SDA2 - 15Gb - with the recovery for windows, SDA3 with 183Gb for drive 'D' for windows. ASUS uses SDA4 - 19Mb for it's own use. 11.10 on an USB will load Ubuntu on a try basis and it seems OK, but every time I attempt an install, Ubuntu quickly shuts down and the restart process begins. Repeat endlessly. I've tried 10.4 netbook but that will not boot at all with the machine reporting - unknown keyword in config file gfxboot vesamenu.c32: not a COM32R image. I've gone through the above about 6 times each with the same results. I have also tried the above with the partitioning unchanged, and using gparted, with SDA3 formatted to ext4, windows 'D' reduced to 8Gb providing a 175Gb unallocated space - all to no avail. Please help

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  • replacing Zorin OS 8 with ubuntu 14.04

    - by Paul John
    I was trying to replace Zorin OS 8 with ubuntu 14.04 (32 bits). What I have tried: I took an empty pen drive and downloaded Ubuntu 14.04 iso file on to this pen drive. I then restarted my laptop (Lenovo N 3000) and pressed F12 I then selected the USB drive in the boot options. After sometime I got the Zorin flash screen again. I know I am "fundamentally" wrong in the manner how I am executing this installation process. If you could please provide me a stepwise instruction.

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  • Gnome 3 - Old fashioned buttons and menus

    - by vigs1990
    I've upgraded to Gnome 3 and the problem I'm facing is that when I restart, sometimes the menus and buttons look old-fashioned like this: whereas sometimes, it looks modern and neat like this: Notice the differences between the two: here are a few differences: The menu bar (notice the difference in fonts, dark grey color of Snapshot1 vs the light grey color in Snapshot2 in the background) The file navigation bar bellow the menu bar (notice the 'Home' button there and also the left arrow button) The left-hand side navigation bar (font, background color and color of selected folder) The old style look effects the GTK aspects of the interface, such as the menu, buttons, mouse pointer etc. Another observation is that changing the GTK themes does using gnome-tweak-tool when the old style look is loaded does NOT work. However, this works when the regular look is loaded. How can I ensure that the old-fashioned look does not load on boot?

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  • MacBookPro 7,1 can only see one cpu

    - by gozzilli
    On a MacBookPro 7,1 running ubuntu 11.10, System monitor only sees 1 core (instead of 2). cat /proc/cpuinfo | grep 'cpu cores' also gives: cpu cores : 1 I followed this guide and added acpi_apic_instance=2 to the line with GRUB_CMDLINE_LINUX_DEFAULT, but that doesn't seem to change the situation. What can I do? I'm using rEFIt, installed under MacOS, and running in dual boot with MacOS. After the rEFIT menu, I'm still presented with the GRUB menu (I'm assuming that's normal). I saw similar posts on this matter, but could not fix my problem with what they suggested. EDIT: With the method mentioned above the computer runs sometimes with 1 core and other times with 2. Why is that? How can it be fixed?

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  • How to make my microphone unmuted on startup?

    - by fiktor
    Every time I boot the microphone is muted. I want it to be unmuted instead. Of course I can do it by 6 easy steps every time: press sound icon in the upper right of the screen. press "Sound settings..." item in the bottom. wait about 10 seconds until a window loads. switch to input tab. uncheck "Mute" checkbox near a microphone icon. close the window. But I want it to be unmuted by default. I guess that in linux world this should be changing 0 to 1 in some line in some configuration file, but I don't really know, where is this line located.

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  • Booting from Live USB leads to command line instead of menu

    - by Alek
    I'm trying to install 12.04 x64 from a USB stick. I created the Live USB as per instructions from ubuntu.com, however, after choosing to boot from USB I get stuck with a command line, titled GRUB. When I type "install", it replies that "no kernel is loaded". On my other PC everything is fine, the Live USB boots just fine. The one I'm trying to install to has UEFI mobo - maybe that's the problem? However, fiddling with UEFI settings in mobo setup (UEFI/Legacy) has no visible effect.

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  • Please Help to bring back power to my machine

    - by Acess Denied
    I Have a samsung N150plus netbook That I have been using for a while now. I left it on and plugged to a wall outlet and went to bed. I dual boot ubuntu and win7. I tried to update the win7 to sp1 and I dozed off. I woke up and saw the machine has been booted to ubuntu and logged in as guest, which translate to mean one of my room mates have tried to use the machine and they all have denied using my machine. I tried to reboot to windows and then it appears to have no cpu, hard disk and cpu fan activity. only one led seems to come on when i plug it in. its only the led that indicate the machine is powered on powers steadily. I really cant afford to buy a new machine now and I need the machine to complete my last project in school for my last year. Help Please

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  • eepc 100h ubuntu 12.04 external monitor higher resolution modes force a rotated display

    - by Acky
    Hi I have a eeepc 1000h netbook. I've just installed ubuntu. I mainly use an external display (samsung ta350 full hd 22 inch affair) but when I select 1080 from the dropdown list, my only options are for a rotated portrait. My neck's non too supple, so tilting my head for extended periods is not really viable. :-) Any ideas on making ubuntu display 1080 normal landscape? It must surely be possible. My gparted boot cd does it perfectly. Any help greatly appreciated. Cheers!

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  • HP 655 Notebook (Ubuntu 12.04) wireless internet disabled after running updates

    - by Bastian
    Today the update-manaeger suggested that I should download some updates. So I did. After the updates were installed I had to reboot the system. After the reboot my notebook doesn't see any wireless networks. I was looking for a long time on the internet for answers but non of them applies to my case. I have the idea, it has got something to do with the kernel I am currently using (Linux 3.2.0-55). Is this one new for Ubuntu 12.04? When I boot my system I can choose to use an older kernel (linux 3.2.0-32). When I use this one the notebook does see the wireless networks. This is my network card according to the command lspci: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe Anyone an idea to fix my problems with wireless internet?

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  • CPU temperature is high on Ubuntu

    - by Kaspar
    So I have a machine which has both latest *Ubuntu and Windows 8 on it. On windows 8 my CPU temp is roughtly 26 degrees when idle. Now when I boot into Ubuntu, CPU temperature is suddenly 43 degrees when idle, plus my fans are making a lot of noise which is probably because of the CPU degrees. Why is that? Everywhere I read it says the Linux is much better at managing CPU and so on. But yet it seems something is wrong. It is a stock installation of Ubuntu 14.04 and my CPU is a Intel i5-4570

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  • ubuntu 11.10 on MacBookPro 7,1 can only see one cpu

    - by gozzilli
    On a MacBookPro 7,1 running ubuntu 11.10, System monitor only sees 1 core (instead of 2). cat /proc/cpuinfo | grep 'cpu cores' also gives: cpu cores : 1 I followed this guide and added acpi_apic_instance=2 to the line with GRUB_CMDLINE_LINUX_DEFAULT, but that doesn't seem to change the situation. What can I do? I'm using rEFIt, installed under MacOS, and running in dual boot with MacOS. After the rEFIT menu, I'm still presented with the GRUB menu (I'm assuming that's normal). I saw similar posts on this matter, but could not fix my problem with what they suggested. Any help appreciated. Thanks!

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  • Ubuntu 12.04 wont install on Macbook

    - by user92325
    I've installed Ubuntu on my Macbook before but something went wrong with the updater. So, I had to backup my HDD and format it and reinstall OS X Lion. But here's the thing: Ever since I re-installed my OS I've been trying to get Ubuntu back on the HDD. I partitioned it to 40 GB and set the file system to Ext4. I also recently created a swap partition too and it seems to install correctly. After i installed rEFIt it just has this cute little penguin sitting there. I rebooted and tried to go back to Ubuntu and the penguin still shows up but this time a black screen pops up and it asks me to insert a bootable device and press any key. I'm not sure why this is happening. This is probably the 5th time I've tried to install it. I've even used a different Ubuntu ISO but it still won't boot after the installation.

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  • Firefox OS : les premiers smartphones arrivent en Espagne et en Pologne, Mozilla veut convertir 78% d'utilisateurs de feature phone

    Le projet de « Smartphone Open Web » de plus en plus soutenu Mozilla veut prouver la puissance du HTML5 et en faire une technologie de développement natif pour mobilesLe projet de smartphone « ouvert » de Mozilla semble trouver de plus en plus de soutiens au sein de l'industrie mobile. De là à dire qu'il sera un succès, il y a une étape qui n'est pas encore franchie, mais le Mobile World Congress (MWC) de Barcelone reste prometteur pour la fondation.Première bonne nouvelle pour Mozilla, à l'occasion d'une conférence de presse conjointe, l'opérateur espagnol Telefónica a dévoilé son intention de commercialiser dès 2012 les tous premiers appareils « Open Web ». Il s'agit, en clair, de terminaux sous Boot To...

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  • How To Run Chrome OS From a USB Drive and Use It On Any Computer

    - by Chris Hoffman
    Google only supports running Chrome OS on Chromebooks, but don’t let that stop you. You can put Chrome OS on a USB drive and boot it on any computer, just as you’d run a Linux distribution from a USB drive. If you just want to test Chrome OS, your best bet is running it in a virtual machine. This ensures that you won’t run into any hardware-related issues. Your computer may not be able to run Chrome OS properly. Note: You’ll need a USB drive with at least 4 GB of space for this. 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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  • Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) after apt-get upgrade

    - by Edward
    I'm using Ubuntu 9.1 server edition, I get this error during boot time after I ran sudo apt-get upgrade when checking my kernel version, uname -r returns 2.6.31-14-generic but when i run dpkg -l 'linux-image*' | grep ^.i I cannot find 2.6.31-14 (only contains 2.6.32*) Following the solution in the thread: Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) doesn't work for me I'm running the commands inside the Rescue mode by booting from the Ubuntu 9.1 Installation Disc Do I need to update my kernel and run update-initramfs + update-grub again? If so, how can I update the kernel? apt-get install any linux-headers/image cannot change the uname -r value Thanks!

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  • Kubuntu - Roccat keyboard does not work under GRUB and works partially in BIOS

    - by Donald_W
    The system specification GRUB boot loader OS: Windows 7 / Kubuntu 12.04 LTS Keyboard: Roccat Isku Motherboard: MSI Z77 MPower with the latest BIOS SSD/HDD: Kingston HyperX 3K (AHCI in BIOS enabled), 2 other HDDs I will provide more specific configuration if needed. The problem As stated in the topic I cannot navigate in the GRUB menu using mentioned keyboard (there is no problem when I use Logitech K360). I have tried both USB 2.0 and USB 3.0 ports. I cannot enter BIOS menu as well, however if I enter it using other keyboard, Roccat seems to work and I can navigate in the BIOS menu without any issues. Any ideas how can I fix that problem?

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  • How to use unused space in ubuntu

    - by Ravi.Kumar
    I installed ubuntu on my machine with only 80 GB of memory anticipating that I will remove it later but now I want to keep it forever (until I am frustrated with linux). I have 500 GB in my machine and now I want to use that raw 420 GB of space. How I can I do that ? with "space/memory" I am referring to secondary memory not Ram. Here is output of : sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000dcb77 Device Boot Start End Blocks Id System /dev/sda1 * 2048 136718335 68358144 83 Linux

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  • How to make Ubuntu LiveCD be able to use USB Flash drive and external hard drive?

    - by ????
    I am booting up Ubuntu 2012.04 LiveCD... and was able to do /sudo mount /dev/sda1 /mnt and be able to see files in /mnt, which is the main hard drive that can't boot up any more. So to copy files from /mnt to an external hard drive or USB flash drive, I connected a 1TB external hard drive and 2 USB flash drives to the computer, but for some reason, in "File Systems", I can't drag and drop files from /mnt into those external hard drive or USB flash drives? I can't open or look into those drives either... How to make it work?

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  • display port on x230 not working

    - by Aaron
    having problems with my new lenovo x230 - using dual montiors, only vga registers anything. This has the Intel graphics controller : 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) TO get it to even boot, had to add the nomodeset parameter to the kernel. Otherwise will not even start up X Ive upgraded my kernel to the latest 3.6 with no difference. The display section reads the monitor as the only display and labels it as laptop. Cant seem to get it to work! Any help would be greatly appreciated.

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  • How do I install Ubuntu to a USB key?

    - by badp
    If you are hurrying to reply, System ? Administration ? StartUp Disk Creator -- no, that's not what I'm talking about. I want to try Ubuntu 11.04's Unity without touching my existing Ubuntu install. To do this, I need to install the nVidia drivers first (sigh). To do this, I need changes to persist a reboot. To do this, I need to really install Ubuntu on a USB key. How do you do that? What I tried I tried to make a USB key from Testdrive, then boot from it, then choose "Install Ubuntu." The installer refused to install to the installation media itself. I tried, from my installed copy of Ubuntu: sudo kvm /dev/sdb --cdrom .cache/testdrive/iso/ubuntu_natty-desktop-i386.iso ...but the installer didn't detect the disk properly.

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