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• Windows 7 immediately disconnects a USB drive

  - by Daniel Saner

  I am having a problem with Windows 7 x64 consistently disconnecting one specific USB mass storage drive immediately after it is connected. The drive in question is a Cowon C2 digital music player which works in standard mass storage controller mode (i.e. no device-specific drivers needed/available). When I connect the player, Windows plays the "USB connect" sound and the device appears (under its correct name) in the device manager, but it never appears as a drive. The player itself displays "USB Connected" for a split-second before reporting that it has been disconnected again. Since the player, by design, reboots after it has been disconnected, Windows plays the "USB disconnect" sound before restarting the whole cycle once the player has powered back on. I am connecting the player through an Intel X79 Chipset motherboard (Gigabyte GA-X79-UD3) to Windows 7 Pro 64-bit. The player used to work fine the first few times I connected it, showing up as an external drive; it only recently stopped working. It is not a problem with the player, since it works fine when connected to another computer, even such running the exact same operating system. It is also not a problem with the USB controller, since the issue is the same on both the Intel USB 2.0 and the Fresco Logic FL1009 USB 3.0 controller ports. I have also not had the problem with any other drive so far. Among the things I have tried so far: Disabling USB legacy mode in BIOS Disabling energy-saving power down for all USB controllers in Windows' device manager Removing and reinstalling Windows' USB mass storage driver Removing and reinstalling Intel and Fresco Logic USB controller driver Restoring the player to factory defaults None of these made a difference. Again, the player used to work fine on the exact same system just days ago; I didn't install any new hardware or drivers on it since then. I would be very grateful for any hints on what else to try. Edit: Here is another new hint; I found out that when I connect the drive before booting Windows, it is available in Windows Explorer as it should, and does not automatically disconnect. If I remove and reconnect it though, the infinite connect/disconnect-loop starts anew.

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• How do I get an Enter USB TV Box TV tuner aka Gadmei UTV302 to work?

  - by Subhash

  Has anyone had any success in using the Enter USB TV Box from Enter Multimedia? It comes bundled with software that works in Windows. I have had no luck using it in Ubuntu 10.10. Update 1 Here is the output from lsusb Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse Bus 004 Device 002: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 006: ID 1f71:3301 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub I can't find the Enter USB TV Box listed in this. In the dmesg tail command, I found something that seems to be related to the card: usb 1-5: new high speed USB device using ehci_hcd and address 6 usb 1-5: config 1 interface 0 altsetting 1 bulk endpoint 0x83 has invalid maxpacket 256 Update 2 From Windows I learned that this USB TV tuner uses some chipset from Gadmei corporation. All computer stores in India sell Enter USB TV Box if you ask for an USB TV tuner. No other brand seems to be interested in this market. Update 3 I learned that this TV tuner is rebranded version of Gadmei UTV302 (USB TV Tuner Box). Update 4 I tried adding em28xx as the chipset (as suggested by user BOBBO below) for the tuner but that did not work. I went back to my Pinnacle PCTV internal card. I don't think the tuner referred by UbuntuForums (Gadmei UTV 330) and the tuner that I have (Gadmei UTV 302) are the same. My USB tuner is several times bigger. My tuner seems to be a newer device with a newer tuner chip. I will submit details of this device to the LinuxTV developers this weekend. Update 5 I opened the tuner box and found that it uses a tuner from a Chinese company - Tenas. Model is TNF 8022-DFA. Update 6 Tuner chip specs (retrived from supplier directory) for Tenas TNF 8022-DFA. Supply voltage: true 5V device(low power dissipation) Control system: I2C bus control of tuning, address selection Tuning system: PLL controlled tuning Receiving system: system PAL D/K,IF(Intermediate Frequency): 38MHz Receiving channels: full frequency range from channel DS1 (49.75MHz) to channel DS57 (863.25MHz); Use Texas Instruments SN761678 IC solution, with mini install size Update 7 Reverse side of the circuit board. Picture of the TV tuner

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• Advice: USB Monitoring Programming

  - by Kashif

  I need an advice about USB programming in linux. i have to design a USB monitoring program that 'll keep checking usb ports of a linux cent os. as soon as a usb or external hard disk is connected, this program will shoot an email to some specific person about detail of usb (as size, mount on, time). when usb is disconnected, it will again shoot an email to some person with same kind of information. mean while this program will also write logs in syslog/messages with name of programing for easy tracking. Now I want ask that what is best way to develop this program. as I'm new to this field so i know nothing about it? either i should use perl, bash scripting or some other language? I have no idea what is right way to adopt coz this program will keep running all the time to keep a check on usb ports. I know few commands in like lsusb, fdisk (to check attached usb) and df -h (to get detail of usb) but dont know how i can achieve using these commands that i am thinking. also one more thing that in future i also need to modify this program for ubuntu and Citrix XenServer and it should be same everywhere.

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• USB Harddisk not working on dual boot windows7/8

  - by Jesper

  Yesterday I installed Windows 8 on a machine that already had Windows 7. They are on dual boot and both systems work fine. The problem is that inserting a USB hard disk in either system does nothing. If I connect a USB mouse or mobile phone, they work fine, so the USB plugs are active/working and the USB hard drives that I am trying to connect work on my other laptop just fine. I have tried to uninstall all USB-related items in Device Manager and let them reinstall upon restart, but that didn't help. The USB drive does not show up in disk management either. The strange thing is that it is exactly the same situation on both windows. USB mice etc. work just fine and USB hard drives do not. Any ideas on solving this problem would be great. ...Don't know if it is important, but this is a Toshiba Tecra R950 Laptop. EDIT: I have found out that my other USB HD (Western Digital) works on this laptop, but for my StoreJet Transcend and Adata "something" does not work. All three work on another Windows 7 laptop. Sizewise the WD is in the middle at 400 GB. The StoreJet is 640 GB and the Adata is 200 GB.

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• Virtual audio driver for Windows?

  - by Ognjen

  Is there any (possibly free or open-source) virtual WDM audio driver for Windows, with additional processing plugins, which would add one more layer between windows applications and actual sound card's WDM audio driver, allowing to: Add software DSPs to general audio output. I would like to be able to use custom effects, like compressor, or stereophonic-to-binaural converter for listening online's streaming media on headphones, etc. Connect its output to some custom buffer instead of the sound card. For example, to be able to record audio, or to send audio via wireless connection to some other wireless source? Virtual audio driver was just my idea how to solve these issues - if you know other way, please share your knowledge. I need this for Windows 7 and/or Windows XP.

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• Audio doesn't work on Windows XP guest (WS 7.0)

  - by Mads

  I can't get audio to work with on a Windows XP guest running on VMware Workstation 7.0 and Ubuntu 9.10 host. Windows fails to produce any audio output and the Windows device manager says the Multimedia Audio Controller is not working properly. Audio is working fine in the host OS. When I open Multimedia Audio Controller properties it says: Device status: The drivers for this device are not installed (Code 28) If I try to reinstall the driver I get the following error message: Cannot Install this Hardware There was a problem installing this hardware: Multimedia Audio Controller An Error occurred during the installation of the device Driver is not intended for this platform Has anyone else experienced this problem?

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• How to format a USB stick

  - by VictorL

  My USB stick looks dead : victor@X301A1:~$ umount /dev/sdc1 victor@X301A1:~$ sudo mkfs -t vfat /dev/sdc1 mkfs.vfat 3.0.12 (29 Oct 2011) mkfs.vfat: unable to open /dev/sdc1: Read-only file system victor@X301A1:~$ sudo hdparm -r0 /dev/sdc1 /dev/sdc1: setting readonly to 0 (off) readonly = 0 (off) victor@X301A1:~$ sudo fsck -n /dev/sdc1 fsck de util-linux 2.20.1 dosfsck 3.0.12, 29 Oct 2011, FAT32, LFN /.Trash-1000/files/sans_titre Start does point to root directory. Deleting dir. /.Trash-1000/files/Bus CAN Start does point to root directory. Deleting dir. Reclaimed 190903 unused clusters (781938688 bytes). Free cluster summary wrong (1001897 vs. really 1383698) Auto-correcting. Leaving file system unchanged. /dev/sdc1: 8052 files, 566660/1950358 clusters Is there anyway for me to recover my USB stick ? Thank

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• USB install from second internal hard drive in a MacBook Pro

  - by aaron.anderson

  I am trying to install Ubuntu (among others) on a second internal hard drive on my MacBook Pro. I have an 80 GB internal SSD with OS X on it, along with a 750 GB internal HD with a few partitions, one of which being for Ubuntu. I currently have rEFInd installed for switching between the OS's. I was wondering how one would go about installing Ubuntu from the USB install stick. I have followed the instructions on creating a bootable USB. Once this is bootable, could I just hold the Option key on startup, and it should appear in the menu? Or am I missing something?

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• Installing Ubuntu on a computer with USB 3.0 hardware

  - by Matt

  I'm installing Ubuntu 10.10 32-bit version on an HP Envy 15. I get the same problem these people have here: "unable to find a medium containing a live file system" error when installing but the question was never resolved. I spent so long researching and got so frustrated that I took my computer down to a shop and asked them to install it for me. It took them a while but they managed to get it installed. The reason for this error they had said was because Ubuntu didn't have the USB 3.0 drivers it needed to install properly. I'm reinstalling Ubuntu yet again and I've run into the same issue so my question is: does anyone know.. a) Where to get these USB 3.0 drivers? b) How to get them installed when installing the Ubuntu OS? Thanks, Matt

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• question about 12.10 32 bit syslinux 4.06 EDD 2012-10-23 usb direct boot

  - by logan

  alright so guys i am trying to do a direct boot for Ubuntu 12.10 (as stated in the topic) i have been trying to do a direct boot for about ten minutes now. so i have to do a direct boot because my original OS has a corrupted kernel (i am trying to fix a friends laptop) Toshiba satellite C655D-S5518 anyway getting back to the main point when i put the usb in everything starts up fine it loads the usb then it goes to this screen saying "SYSLINUX 4.06 EDD 2012-10-23 Copyright (C) 1994-2012 H. Peter Anvin et al." also getting a blinking line (as if i could put something in however when i try to type it does not show up so im guessing its telling me it is loading) However i am not getting a corrupted file or any kind of file error so im guessing my main question is, is this normal? and if so how long does it take for this to be done and what are the steps proceeding this? sorry guys if this is a dumb question i am new to the Ubuntu party haha thanks Logan.

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• usb devices unacessible

  - by Dustin

  I have a funny thing happening with my USB devices. They are detected and show up as they should but I cannot write to them, I can read the files in them. I cannot change the Group folder access. It keeps reverting to none when I try change it. However when I start a guest session and copy a screen shot to the USB I can, but cannot in my regular administration session. Why cannot I change the option and why does it behave properly in a guest session but not normally? Anyone know how to help me out here? I am using Ubuntu 12.04, 32-bit.

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• Usb Live No hardisk

  - by sergey simeonov

  Ok so i own a toshiba laptop , and the thing is my hdd went bad,but i had a usb flash drive with i live cd Ubuntu on it. Now i dont have and hdd plugged in my laptop im only with a flashdrive. My question is how much memory does this live cd support cause my flash drive is 32 gigs and after about 1.5 gigs of downloads a screen shows up and tells me that i dont have enough space left. the other thing is i dont have money to get a hdd right now so i wanna use this flash drive for now but can i somehow customize the cd thru the live edition so i could have programs that i need after restarts i tried with Customization Live Cd but when i run it , it stops and in my terminal it says could not execute not enough space. So if anyone can tell me what can i do with this problem im having with space on my live Usb ubuntu.

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• Help making TP-Link Wireless USB Adapter TL-WN723N work consistently

  - by Savvas Katseas

  I've only recently made the jump to Ubuntu, using 11.10/64 as my only desktop OS. Everything seems to be working fine, except my USB Wireless adapter, TP-Link's TL-WN723N which is randomly connecting and disconnecting. The connection time appears to be random, too: I've experienced hours of connectivity and lots of connections/disconnections. I've tried searching for a solution, but what I find doesn't concern this specific USB adapter. I'd like some help identifying the problem... I've also recently switched to using a D-Link router as a wireless hub, which creates its own wireless/n network. Unfortunately this didn't solve my problems, as the new n network can be joined, but there's no connectivity to the internet. I know that's not much info to help others solve my problem, so please let me know of what else I can provide to make this a better question -- and possibly help others facing similar trouble. lsusb reports that I'm using Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter

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• how to disable usb storage in ubuntu 13.10?

  - by user288289

  I want to block my all my USB mas storage and allow only devices like keyboard and mouse . I'm able to do so by following the KB. But the issue is that when I connect devices like mobile phones & TABS, I'm able to access the mass storage & able to copy & paste. Disable usb mass storage Kindly advise me how could I block these mobile storage devices. Please note that I only want to block mass storage the other features like charging & android apk execution to mobile should work as usually. Please help...

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• ZTE USB Modem AC2736, connection not possible in Ubuntu 12.04.1 LTS

  - by Fredo

  It's a long post but nearly covers all my experiments and changes I did to my NM. Hope the information is complete and if there are still question, more information can be provided. I've a ZTE AC2736 USB Modem (CDMA modem) which worked fine in Ubuntu 10.04 /11.10. I recently switched to 12.04.1 (precise pangolin). after the switch the first issue I faced was to connect to internet using my USB modem (ISP: Reliance Brand: Netconnect). Tried to run the drivers provided by Reliance but they are old and won't support Kernel 2.6.30 above. since the code was not downloaded with ISO image (of 12.04) i couldn't compile the files provided in such driver. lsusb does detect it as Modem with output similar to 19d2:fff1 ZTE CDMA technologies inc. (or similar as i didn't note it down) If it is detected as USB storage it shows 19d2:fff5 (as per few online forums, i may be wrong here). I used the network Manager and configured the modem to dial #777 (default) and the ISP provided username:password combination. It tries to connect to internet (3-4 times automatically)but fails to get online. once I was able to connect in the monring hours and the message was flashed 'registered on CDMA home network'. I was able to run an update. the kernel was updated with 3.0.2 -pae OR something similar (can find out if required). I surfed the net for about 2 hours later before restarting. After the restart, again the Modem was not able to get me online. I kept trying for many times. I tried changing the setting in NM. One evening after dark I was able to connect to network with same message flash 'registered on CDMA home network' (the message was similar, i'm not precise here,sorry). I was able to surf the net for nearly 3 hours before I switched off my Laptop. I'm not able to get online after that day, It's been 3 days now. I'll try the observered theory of late/early hours sometime soon as mentioned below. Laptop configuration : Make: Lenovo Model: B480 Processor: Intel B950 RAM: 4G DDR3 HDD: 500 G Broadcom Wireless/Bluetooth/Ethernet LAN OS: FreeDOS / Ubuntu 12.04 LTS (dualboot) Kernel 3.0.2-pae Obeservation : I'm able to connect to internet in those hours when generally the speed is high (low usage by other network (wireless) users). like in early mornings or late nights. This is strange as connection should not be dependent on bandwidth usage. Any help would be appraciated to fix this issue. before I decide to cahnge the OS or ISP.

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• Mounting Samsung Galaxy S2 via USB on Ubuntu 13.04

  - by argvar

  Connecting my Samsung Galaxy S2 to Windows 7 worked seamlessly. Now that I'm on Ubuntu 13.04 I'd like to access my phone's drive via the USB cable, but that's not working. When I do plug it in I get a error message in Ubuntu: Unable to mount SAMSUNG_Android Unable to open MTP device '[usb:002,008]' Then when I unplug it I see a error message on the phone: Attention Unable to find software on your PC that can recognize your device. Service pack 3, Windows Media Player, version 10 or higher, for Windows XP or Android FIle Transfer for Mac OS must be installed. You can download and install PC Kies from http://www.samsung.com/kies in order to sync data with your device, back up data, and upgrade your device (Windows and Mac OS are supported) What can I do here to fix this? I don't want to use any special software with the phone, just access the phone's drive.

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• details on USB stick boot disk creation

  - by Deborah Shadovitz

  I am looking at this: http://www.ubuntu.com/download/help/create-a-usb-stick-on-ubuntu I need to create a boot disk to test Ubuntu to make sure it will run on a PC (Compaq Mini CQ10-120LA) I was given. I can create the boot disk off of a Mac (in English) or Windows (but Windows is in Spanish and foreign to me). Questions: 1) What format do I choose for the USB stick? (I wish the instructions stated this.) 2) What is Dash? (Will I know when I run the installer?) 3) Can I do this from a Mac or Windows computer? Or only from Ubuntu?

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• Cannot mount one usb disc, although other mounts automatically after 12.10 upgrade

  - by Allen Williams

  Since upgrading to 12.10, switching on or attempting to mount one of my usb hard drives gives this error message: Error mounting system-managed device /dev/sdg1: Command-line `mount "/mnt/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdg1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so dmesg | tail gives (inter alia): [ 1080.727830] sdg: sdg1 [ 1080.732003] sd 8:0:0:0: [sdg] Attached SCSI disk [ 1081.383633] FAT-fs (sdg1): Unrecognized mount option "x-gvfs-show" or missing value [ 1871.160973] sdg: sdg1 The drive cannot be mounted, but is recognized by the system as a "place". I am not a technical bod; I cannot take this further myself and any help would be much appreciated.

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• usb hub not working on resume from suspend

  - by user1781498

  All the usb ports on my laptop work but when I resume from suspend some the usb ports don't work. lsusb Before Suspend: Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f3:014b Elan Microelectronics Corp. Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 002: ID 04f2:b3a6 Chicony Electronics Co., Ltd Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub lsusb After Suspend: Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f3:014b Elan Microelectronics Corp. Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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• Disable auto-mount for particular partitions on usb drives

  - by nealmcb

  I have a big USB disk with 3 partitions: one for backup and two other bootable ones for installing and testing new distros. I want the backup partition automounted on boot. But I don't want the two test partitions automounted. Despite my use of "noauto" in /etc/fstab, something (gnome?) seems to be mounting them when I plug the drive it. LABEL=mybook /srv/backup ext4 defaults 0 2 LABEL=mybook-root /media/mybook-root ext4 user,noauto 0 2 LABEL=mybook-spare /media/mybook-spare ext4 user,noauto 0 2 In previous Ubuntu distributions it seems that it was possible to configure gnome so it would avoid mounting particular partitions on removable drives like USB: gnome-mount --write-settings --mount-options noauto --device /dev/sda1 This is no longer available in Lucid (when did it go away?) Is there another way to do this now?

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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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• Help with creating bootable usb from iso

  - by Deus Deceit

  --All this is about terminal-- I know some of you will laugh, but I'm trying to install Arch Linux, since I want to learn as much as I can about linux system and how it works. I want to be an expert (maybe in 1000 years, but that's okay :)). The problem is that even tho I know how to do some stuff under linux I'm having a hard time with those names about hard drives, usb, cd, blah blah and how to access them. Big introduction and no question yet, but the purpose is for you to see where I'm standing and give me as many details as possible. And here's the question: How can I put the .iso file in a usb that will run on computers startup and allow me to install Arch linux? Details as to how to turn my pc on and hit F8 or whatever can be discarted lmao :) Ty in advance.

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• USB sound device not recognized

  - by David E. Anderson

  I have a USB sound device that used to work back when I ran other versions of Ubuntu. Now I can only partially see the device. I have tried many things I saw in Google searches, but none solve my problem. cat /proc/asound/cards sees the device as card 0 aplay -l shows C-Media USB Audio as card 0 alsamixer sees the device asoundconf list does not show the device sound preferences shows no hardware asoundconf-gtk set the device to pulseaudio, but fails with python errors ending in ValueError: too many values to unpack in the function set_default_card. I think this is the cause of my problem. The device is a Sony virtual phones wireless headphone amplifier.

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• trying live-usb 12.04.1 image on an old desktop

  - by 213441265152351

  I am trying to load Ubuntu 12.04.1 32-bit desktop image on an old desktop computer. The system shows the initial menu, but after a while, I get an error like the one in the following two screenshots (it takes a few seconds to go from one to the other in the screen): I tried to load it using the different USB ports at the back of the computer, just in case, and I get basically the same error. Find another screenshot from another try: Any ideas what might be happening? NOTES: I checked the md5sum of the iso file to be e235b63c02644e219b7bf3668f479c9e *ubuntu-12.04.1-desktop-i386.iso. I did the 'Test' on the laptop where I created the USB drive, and it loads up correctly. The desktop computer in question is an old AMD Duron 1800MHz with 512MB RAM. I ran a memtest on the computer, and all went fine.

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• How to connect 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 on how to mount a Samsung Galaxy S3 over USB?

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