Questions tagged [usb-device]

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Microphone not showing up as input device in settings, only in pavucontrol

I have an audio interface, a UMC404HD, that I use both for my speakers and for my microphone. It's plugged in via USB cable. This used to work under Ubuntu 20.10. However something seems to have gone ...
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0answers
27 views

freshly installed hp smart tank 500 not working

I have installed a HP Smart Tank 500 on Ubuntu 20.04. First, I downloaded and installed HPLIP via command line (ver. 3.21.4), I selected the "automatic" option for installation and, picking ...
4
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0answers
46 views

Fingerprint reader fails in 9 out of 10 times

I'm using Ubuntu 21.04. Ther procedure for recording fingerprints works alright. Pam authentification works too. According to lsusb I get Bus 001 Device 006: ID 04f3:0c28 Elan Microelectronics Corp. ...
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0answers
28 views

How to use seccomp with udev correctly?

I am trying to block devices via udev. I added some code which wraps this service and eases its usage. Is using seccomp necessary to this service in order to limit the system calls used by the devices ...
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0answers
117 views

Wine does not recognising my USB keyboard. I tried wine regedit as well. What do I do?

My keyboard (Cosmic Byte Triton) does not have a Linux written driver. To configure it properly I installed its Windows driver via Wine. But Wine is not able to detect the keyboard. The app keeps ...
4
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1answer
2k views

Using DSLR camera as a webcam

I am trying to use my Canon DSLR as a webcam, on an Ubuntu machine. The camera does not show up as /dev/video*. The camera shows up in hwinfo --usb: 19: USB 00.0: 10f01 WebCam [Created at usb.122] ...
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0answers
36 views

USB devices not working

I am new to Linux and I am facing a bit weird issue. I have a total of 6 USB slots on my system, 4 on the back and 2 on the front. The 2 front USB ports are not working at all and the 4 back USB ports ...
2
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1answer
1k views

Usb wifi dropped out / rtl8192eu-linux-driver on UBUNTU 16.04

The wifi device TP-LINK TL-WN823N was previously working, as in previous thread: TP-Link TL-WN823N v3 wifi dongle not detected But now it is not detected again. I re-followed the instructions in the ...
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0answers
38 views

How to list device activity

I want to list or display all the activity generated by an external device. For example, all that I copied to and from it with detailed information: size, places, etc.
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0answers
27 views

Why does Ubuntu 16.04 write e2fs USB memory stick when only browsing?

Single partition memory USB stick. Formatted via mke2fs. I plug it in and browse, then eject. I have to wait for Ubuntu to finish writing to it. Whaaaat ... ?
0
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1answer
1k views

ALFA usb wifi dongle not showing up in ifconfig

Recently built a PC, everything's working fine, except for the wifi dongle. I was told to get a PCI wifi card, but the slots aren't far enough on motherboard, and connecting a graphics card takes up ...
2
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0answers
661 views

VirtualBox - USB Devices for Win10 guest

As many others, I cannot access USB devices from my Ubuntu 18.04 (using KDE desktop) host in a Windows 10 VirtualBox (v5.2.22) VM. Of course, my Ubuntu OS user is member of the VBoxUser group (I did a ...
1
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1answer
527 views

USB connection to MOTO E2

How to connect MTP devices via USB on Ubuntu 18.04? I am not able to connect my motoe2 to ubuntu 18.04.
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0answers
490 views

Connected to iSCSI Synology NAS, but can't see devices in Ubuntu

I've got a Synology NAS which I'm trying to connect to via a bootable Ubuntu USB. I can see the Synology's targets and I'm connected to them. However, I can't seem to see any of the volumes using ...
2
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1answer
12k views

Logitech C922 webcam not detected on Ubuntu 18.04LTS

I just got a Logitech C922x (USB) webcam which I need to install on Ubuntu 18.04LTS. I tried on Cheese and on Skype, but it says that the device is not detected. Any idea? Thanks a lot for your help. ...
1
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1answer
145 views

Air mouse not working if attached directly to USB, but it works if attached using a HUB

I've this strange problem with an air mouse of FREEWAY TECHNOLOGY on Ubuntu 16.04. If I connect the USB key using an USB-hub the device works perfectly, if I try to connect it directly to a computer ...
4
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1answer
5k views

USB Webcam microphone not working until re-plugged

I use pulseaudio + pavucontrol So I boot in with the device plugged in the USB port. I check the Input device tab in the Volume Control application (pavucontrol) I see only my GEMIX_WEBCAM_USB_AUDIO ...
3
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1answer
11k views

Identify, disconnect and reconnect USB device via terminal

I use a USB Huawei ME906s-158 device as described here. If the module looses the connection it seems to have problems reconnecting to the network. So my idea is to write some script, running in the ...
2
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0answers
163 views

How to prevent Ubuntu 16.04 LTS from forgetting Brother MFC-J6720DW scanner

I have been using Ubuntu with my Brother MFC-J6720DW printer/scanner/fax for some time. Printing seems to work all right. But Ubuntu regularly seems to forget that the scanning capability, which I do ...
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2answers
4k views

Writing to disk using `pv` seems to be fast at first and slow at the end

I was writing a kubuntu image to my usb stick using this command pv /home/manuel/Downloads/torrents/kubuntu-16.10-desktop-amd64.iso > /dev/sdb However, the output progress bar of pv was half-...
2
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0answers
721 views

Behringer Xenyx302 USB keeps disappearing

I installed Ubuntu 16.10 on my PC and nearly everthing worked from the start, except my Soundcard (Behringer Xenyx 302 USB) which keeps disappearing from the Sound Settings. I tried unplugging it and ...
3
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0answers
2k views

Android phone doesn't connect.

My android phone doesn't connect to my xubuntu pc. If I connect my phone via USB it starts charging but the pc doesn't show any reaction. I've tried different cables, all usb ports and I Restarted my ...
0
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1answer
145 views

how connect asus zendisk as400 on ubuntu

How i mount ZENDISK AS400? It dont mount hdd, only mount u3 cd image as /dev/sr0. affects all versions including Ubuntu 16.04.1, 12.04, etc. lsusb: Bus 002 Device 008: ID 0b05:17b4 ASUSTek Computer,...
2
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1answer
2k views

Intel 7260 bluetooth device (usb-device-8087-07dc) at 100% usage

My Intel 7260 bluetooth device is constanly draining battery. As per powertop: 13.9 W 100.0% Device USB device: usb-device-8087-07dc I have both bluetooth and NFC ...
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1answer
1k views

How do I get my USB to work in windows xp guest. Ubuntu 16.04 host

I have installed guest additions and extension pack and service pack 3 and user name and tried to find USB under devices tab in virtual box. Nothing showing up on guest OS.
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15 views

Pulic wifi dongle unable to authenticate

I have a problem with authentification to public unprotected non encrypted wifi network(its similar to networks you find at hotels - it routes you to a web page where you enter password) that I am ...
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0answers
1k views

USB No Devices Available in Virtualbox 5.0.16 with Host Ubuntu 14.04 LTS and Guest WinXP SP3

I have worked for three days trying everything I could read on Virtualbox and Ubuntu forums, as well as the Virtualbox user manual. Finally I have given up. Does anyone know what else to do or if you ...
0
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1answer
1k views

How to find full path for device file of usb camera connected?

i have connected my logitech quickcam E2500 and i want to know the path to the device file. what is the code to find it.
2
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2answers
2k views

How to install Jahshaka? [closed]

I found that there is a great new software called Jahshaka which is used to edit videos better than before in ubuntu. So i want to install it in my ubuntu 13.10. How to install it? I can't find it in ...
2
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1answer
271 views

How to connect USB 3.0 Pendrives?

I have a 32GB Sony Microvault USB pendrive which is USB 3.0. And When I try to connect it, it isn't yet being shown in the device. I want to make it work without formatting the drive to USB 2.0. And I ...
3
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0answers
3k views

Buetooth not working on 14.04, not shown in lspci or lsusb

I have a problem with bluetooth on a lenovo G50-70 running 14.04 with kernel 3.16 Can turn bluetooth on and off from the system tray, but it doesn't seem to activate the actual device. I've ...