Ubuntu :: CD/DVD And USB Drive Devices Inoperative?
May 30, 2010
After installing Ubuntu 10.4, and rebooting, my cd/dvd and usb memory drives did not operate. An example of this problem is as follows: Upon inserting a cd or flash drive into my machine it would attempt to read the device but would fail. It would not display an icon on the desktop for either device. Upon opening Places>Computer the device would be displayed there. If either device were selected, and an attempt made to open it, the machine make another attempt to open and fail again.Ubuntu 10.4 was a clean install. I then did a clean install of Ubuntu 9.10 with all updates and everything worked fine, then upgraded to Ubuntu 10.04 with the same results.
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Aug 20, 2011
I can't get the microphone in my Logitech C310 Webcam to work at all. I'm running OS 11.3 x32-bit & KDE 4.4.4. The webcam works fine in Windows XP with Skype and Pidgin, so I know the hardware is good. I ran some searches, but I'm still not all that sure what it is that needs to be fixed. Following the troubleshooting steps yields the following: I've tried testing with commands like,
Code:
arecord -vv -f cd test.wav
and get only random noise. The Microphone responds to room noise in the Pulseaudio volume control app, but is otherwise dead in Linux. I've checked the mic settings in Kmix, and pavucontrol, and nothing is muted or turned all the way down.One thing that's a little different from the threads I've checked is that I can't run a test recording in arecord when pavucontrol is running - arecord will stop with an error like this:
Code:
bruces@linux-zho5:~> arecord -vv -f cd test.wav
ALSA lib pcm_dsnoop.c:593:(snd_pcm_dsnoop_open) unable to open slave
arecord: main:654: audio open error: Device or resource busy
I am not sure if this is normal behavior or not, so I thought I'd mention it.
Info from the:
Code:
/usr/sbin/alsa-info.sh
script is located here: http://www.alsa-project.org/db/?f=c9...cfd56ab704e4cf
rpm -qa '*alsa*'
alsa-utils-1.0.23-1.8.i586
[code]....
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Feb 18, 2011
Flash (via Firefox) was working until a day or so ago, but now the content that is supposed to be viewable with Flash simply sits there and does nothing or comes up as a blank screen. I've tried several web pages, all with the same problem. Every indication, including the Adobe test page, shows that Flash is installed, although the Firefox page for "Manage Content Plugins" lists "Gnash SWF Player"as the application for x-shockwave-flash. If I try to install Flash again, I'm told that it's already installed. I can disable it in Firefox but I don't see how to remove it altogether so that I can reinstall it. How can I get my Flash content working again?
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Sep 20, 2010
Block Users from USB Drive/Devices and CD-Rom I am using Ubuntu 9.10- the Karmic Koala(64 bit) in my company. I would like to block the users(except Super user) from using USB Drive/Devices and CD-Rom for security resons and to prevent my employees from copying data.
In Users Settings, I tried unchecking some items in User Privileges tab but it didn't work.
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Apr 1, 2011
I am trying to write a script to modify /etc/fstab that will add entries for a number of partitions on different disks.
The only thing that I do not know how to do is to obtain a unique id such as the ones in /dev/disk/by-id/ to address by from a given partition (ie /dev/sdb1). In my fstab I noticed that in installation the system added fstab entries that are unique (in /dev/disk/by-id/)
I could simply do /dev/sdb1 and so on, but I would prefer a unique identifier so that each mount point is tied to a partition on a specific and unique physical drive.
i need this to be script-able if possible, if not I would still like to know.
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Dec 7, 2010
I'm working on a server and noticed that the to RAID5 setup is showing 4 Raid devices but only 3 Total devices. It's on a fully updated CentOS 5 system that only has three SATA drives, as it can not hold anymore. I've done some researching but am unable to remove the fourth device, which is listed as removed. The full output of `mdadm -D /dev/md2` can be see below. I've never run into this situation before.Anyone have any pointers on how I can reduced the Raid Devices from 4 to 3? I have tried
mdadm /dev/md2 -r failed
mdadm /dev/md2 -r detached
but neither work and since there is no block device listed I'm not quite sure how to get things back in sync so it's only seeing the three drives.
/dev/md2:
Version : 0.90
Creation Time : Tue May 25 11:07:04 2010
Raid Level : raid5
[code]....
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Feb 12, 2010
I would like to disable USB devices,so that i can restrict copying files from my system...How to do this?
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May 25, 2010
I'm running Lubuntu 10.04 on a Thinkpad T41. I had been running for a week before realizing that my USB devices (card reader and thumb drive) were not being recognized. I thought that the issue might be related to my aging Thinkpad but I installed the hard driveat is running Slackware and I had no issues with USB devices. I reinserted the hard drive with Lubuntu and was unable to recognize any USB devices.Has anyone else noticed this issue? If so, is there a fix for this issue?
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Jun 19, 2010
For some reason my USB devices just stopped working. I'm on my laptop, so I really don't need a USB Mouse but I like to use it. I also can't use my flash drive. The Command lsusb sees it. It will see both the mouse and my flash drive. I don't have any other devices to test, but I would like to know that they would work when I need them. The strange thing is it also used to work. I don't know what changed.
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Mar 1, 2011
I can't access my USB devices via Computer, yet I can generate a list with:
Code:
lsusb
Output:
Code:
Bus 002 Device 004: ID 05a4:9866 Ortek Technology, Inc.
Bus 002 Device 003: ID 04d9:1203 Holtek Semiconductor, Inc. MC Industries Keyboard
Bus 002 Device 002: ID 047d:1029 Kensington Mouse*in*a*Box Optical Elite
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 0a48:5014 I/O Interconnect Mass Storage Device
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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Mar 15, 2011
usb devices inserted after bootup aren't being automounted and opened. For the life of me, after much googling, I can't get them to work. the ehci_hcd, uhci_hcd and ohci_hcd modules are not loaded, but those were from some old posts, and I don't know how relevant they are to me.But if I insert the usb before startup, ubuntu now recognises and automounts any usb device.before the recent kernel update ( **.2 my wifi dongle would be recognised. but after,it seems as it too isn't being recognised.for the meantime, I am keeping a small unused usb device plugged in the back of the tower.
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Aug 6, 2010
I have problem with Ubuntu 10.04 and DP43BFL motherboard.
In PCI port i have two LPT card, but in Ubuntu i can't see it. Windows on the same computer show this devices, but Ubuntu don't.
lspci
Code:
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
[Code].....
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Feb 3, 2010
When copying files to USB storage of any sort, Nautilus has started hanging after a few files (varies from 1-200 files and a few MB to over 5GB on various occasions), failing to unmount the device, and eventually throwing up an I/O error and freezing.
If I kill/restart Nautilus and reconnect the device it can still be read but comes up as read-only. I can't copy files to the device again, and attempts to erase and reformat it fail in both Ubuntu and Vista. Oddly enough XP will reformat the device, after which it works properly again.
Please help! I could deal when it happened to my USB key but I just bollocked my mate's portable drive and he's a bit pissed off Seems to be happening on all my USB ports.
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Mar 2, 2010
Not long ago I lost all sound, but I got it back eventually-the system wasnt snesing my usb speakers.
Now its stopped recognising them again and I cant remember how I got it back before.
How do I find a list of USB devices?
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Mar 4, 2010
I am just getting started with Ubuntu and love it so far. It has breathed new life into an old Compaq Presario V2000 and once I get up to speed on it I hope to start running it on all the rest of our machines.
The only major problem I am having is that none of the USB devices I have plugged in are being detected. From what I have seen online I should be getting a notification and should be able to view the devices at Places/Computer but so far, nothing. Googling this problem it appears that individual devices often don't work but I could not find anything on all USB devices not working.
Any ideas as to what I am doing wrong here?
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Apr 5, 2010
Jaunty is fully updated but SUDDENLY is not recognizing external devices (card reader, camera, DVD inserted in drawer, etc.) In other words, I cannot see my media and, therefore, cannot open it.
Anybody else having problems here? What's up? Did something go wrong in the updates?
(AMD64 running stable Jaunty 9.10 fully updated)
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Apr 27, 2010
I have a usb bluetooth dongle I've connected to my machine. The device appears just fine and using hcitool scan I can scan for device with no trouble. However blueman doesn't seem to register the device even when I force the applet to display and try add a new device it won't scan/see any of the bluetooth devices. Has anyone come across something similar or would know how I should proceed?
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May 6, 2010
I have just installed 10.04 as an upgrade from 9.10.
I am having difficulty because none of the USB drives I am using are unmounting as they should be. normally speaking when erasing data from my USB key when you come to unmounting it it will ask if you would like to send this data to the recycle bin thus giving you back the extra storage space on the device. 10.04 isnt allowing me to send these items to the recycle bin ad doesn't give the option to do this.
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May 29, 2010
i've been having this problem since lucid, in both ubuntu and kubuntu, though im currently running kubuntu wich is why i tagged it that way.I open k3b, and it immediately tells me there's no optical device/drive...Then i "wodim --devices" and it returns
Code:
wodim: Overview of accessible drives (0 found) :
well that sucks, next stop "wodim --scanbus"
[code]...
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Jun 11, 2010
I currently own an easyCAP, standard definition capture device. I'm looking into purchasing a HD capture device, but the only one which says it supports Linux in the spec is the Blackmagic Intensity Pro (PCi Card). Here is a list of the ones which I'm looking into possibly getting, but I'd like to know if I can use it to record (my Xbox 360) on Ubuntu (Studio) 10.04 Lucid Lynx, and how hard it would be to set it up.
Blackmagic Intensity Pro
Hauppauge HD PVR
AVerTV HD DVR
Blitzbox HD
Also, if you know of any other decent HD capture devices, comment and let me know
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Sep 4, 2010
I just bought a Nokia N900 and it's a beautiful device!
Naturally, since it runs Linux, it's unable to synchronize with other Linux devices. It's one of those wacky universal constants you can't seem to understand.
I've tried using SyncEvolution, which supports funambol, but it does not work. It keeps complaining about a failed authentication or whatnot.
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Sep 8, 2010
basic script on unmounting devices, as that option was removed in Ubuntu Lucid?I'm aware I can possibly recompile the nautilus source and all that, but I think a much easier method would be to just add a script for such. Something basic, like this, but that includes ALL devices that can be unmounted (such as flash drives, external hard drive, and sd/xd cards), not just disc drives. Pretty much what the right click 'Unmount' option in nautilus used to be like:
Code:
#!/bin/bash
sudo umount /dev/sr0
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Sep 14, 2010
Was just wondering if it was safe to run devices off of an unpowered USB-hub, unfortunately I do audio production and when the DC-adapter is connected I get horrible alternating hissing noises through the sound system. Was just wondering if it would be safe to connect an external mouse, keyboard and a self-powered printer to the usb-hub without drawing too much current and wrecking the system.
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Sep 30, 2010
My friend bought a new PC, and he's duel booting Ubuntu 10.04LTS and Windows 7 Ultimate. At first I tried partitioning the hardrive using fdisk in Ubuntu, but it couldn't find hda. After looking in /dev/, there wasn't hda, or any sd* devices. I looked in gparted and used the installer afterwards and both came up with nil. I installed Windows, updated the BIOS using the utility that came with the mobo, and tried seeing if Ubuntu could detect my hardrive and it couldn't. I even turned ACPI off when booting and that didn't work either.
The motherboard is a new Gigabit with 3 PCIe slots and a USB3.0.
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Nov 17, 2010
I'm looking for some help on how to troubleshoot the network on Ubuntu 10.04 64 Desktop. It's on a Acer Aspire 721. There's a wireless card but the widget in the top right says there is no network device.
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Jan 6, 2011
I just attempted to purge and reinstall ALSA (and all of it's related packages/utils) after disabling the on-board sound in an effort to use only an M-Audio Delta 1010 as the sole sound device. I've also tried to reinstall Envy24, as well as drivers for the ICE1712 chip... Now,I have no sound devices. alsamixer tells me there is such file or directory. When I go to /proc there isn't even an asoundrc file there.
I don't know what to do. I've spent the last 4 hours looking for a fix, and trying all sorts of things, even the comprehensive sound troubleshooting guide on this forum. Nothing. I got absolutely nothing. Everything goes exactly as the guide states, except after rebooting, and trying aplay -l and alsamixer, it says there's nothing installed?I have to have a sound, this machine is a DAW .End result I'm looking for is to use the Delta 1010 as the ONLY sound device.
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Feb 21, 2011
After reformatting a usb drive with gparted, no usb stick will automount when I plug it in anymore. If the usb is in place at startup, however, it is recognized and mounted.The media will show up in fdisk and disk utility, but there is no link to it in Places > Computer. I have no trouble manually mounting, but I would rather not have to go through the hassle each time I plug in my flash stick. I am running Ubuntu 10.10 64bit
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Mar 23, 2011
[URL]
In the above link am using for the Disable for USB device. how i can re enable the USB devices.
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Jun 6, 2011
Just built a box and once 10.04.2 64 bit was all installed and loaded up I realized instead of showing my Ethernet as connected it had the ol x. So when I clicked on it I got "No network devices available." The mainboard is an Asrock 890GX Pro3, link light completely out.
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Dec 10, 2010
I have an Acer Aspire 3500 laptop that I'm running 10.04 on, pretty much everything works OK, and I don't appear to have any hardware problems (I've checked using Gnome Device Manager). When I plug in a USB flash or hard drive, I don't get any drives/devices to mount, although in Gnome Device Manager the USB device appears as a USB Mass Storage Device.
Running tail -f /var/log/messages produces this:
Dec 10 19:44:31 darren-laptop kernel: [ 5800.632058] usb 1-3: new high speed USB device using ehci_hcd and address 4
Dec 10 19:44:31 darren-laptop kernel: [ 5800.765161] usb 1-3: configuration #1 chosen from 1 choice
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