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2 votes
0 answers
325 views

Ubuntu 14.04 USB ports randomly fail

My GF has a Dell Vostro 3558 notebook that came with preinstalled Ubuntu 14.04 LTS system. Recently USB ports randomly fail. There's no pattern about it, no matter if the laptop is on charger or on ...
Moha's user avatar
  • 199
4 votes
0 answers
2k views

Built-in webcam not detected on Ubuntu 14.04 LTS

I'm having trouble getting my built-in webcam to work. I want to understand more about how drivers work and how a built-in webcam can be detected in the terminal or found. Here is my lsusb output: ...
Tsang Clement's user avatar
5 votes
1 answer
6k views

lsusb is not working on Ubuntu?

I have an Ubuntu server version (14.04 up to date LTS). I mostly use this machine over SSH. Yesterday I typed in lsusb and the machine gave me the following error: unable to initialize libusb: -99 ...
user avatar
1 vote
0 answers
3k views

My USB 3.0 port doesn't work

Something is very wrong with usb support on Ubuntu. So, I have 2 USB 3.0 ports on the motherboard, along with 4 USB 2.0 ports and also 2 USB ports on my front panel. USB 3.0 isn't working and running ...
user2563892's user avatar
2 votes
0 answers
3k views

How to distinguish between identical USB's

I have this system where I have 8 USB RFID readers which I would like to distinguish from one another. Here's a snippet from lsusb Bus 002 Device 011: ID 05fe:1010 Chic Technology Corp. Optical ...
Nicolai Anton Lynnerup's user avatar