On 07/03/14 11:58, Rick Stevens wrote:
On 03/06/2014 01:54 PM, Rolf Turner issued this missive:I have a Toshiba Satellite L850 laptop. Recently I attempted to make use of "Google Hangouts" for communicating with some colleagues. When I attempted to start a "video hangout" I was informed that the "device" was not working and that I appeared *not* to have a camera. (After some appropriate clicking I got a message to the effect "Looks like your camera isn't working properly.") I had never tried to do anything involving camera facilities before (I'm not usually that sort of bear) but I had just assumed that there was a camera in the machine. There *is* a lens in the lid, just above the screen. Furthermore, according to Toshiba's website, this laptop has a 1 megapixel webcam built in. So: How can I get the damned thing to "work properly"? Is there something I need to do to switch it on? Does it need "drivers" installed? If so, do there exist drivers that will work under Linux, specifically under Fedora 17? Please try not to be *too* cryptic in your responses! There are many lacunae in my knowledge and many acronyms and pieces of jargon bewilder me! Thanks for any help and advice.Most laptop cameras are internally attached to one of the USB buses in your machine, so as the root user you could try an "lsusb" and see if your camera appears in that list. On my Dell: [root@golem4 ~]# lsusb Bus 002 Device 004: ID 8087:07d9 Intel Corp. Bus 002 Device 003: ID 8086:0189 Intel Corp. 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 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 1bcf:2980 Sunplus Innovation Technology Inc. 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 The "Sunplus" item is my webcam. See if you have an application called "Cheese" on your desktop. On XFCE, it's "Applications Menu->Multimedia->Cheese". That's a fairly lightweight camera application and will tell you if the camera is working or not. If it is working, then there may be an issue with Hangouts working with your machine (although it _should_ just use the /dev/video0 device by default).
When I do "sudo lsusb" I get:
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 003 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 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 003 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 001 Device 003: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
No sign of anything camera-like as far as I can see.There is no "Multimedia" item under my "Applications" tab and no sign of "Cheese" anywhere that I can find in the menus. However there are some signs of "Cheese" on the system (as revealed by "locate Cheese". So I tried just starting from the command line by simply typing "cheese", and up popped a window, all black, with "No device found" in white lettering in the centre. So it's not a Hangouts (or Skype, which I have also tried) issue.
I seem to up against a brick wall here, unless someone can come up with some other idea(s).
cheers, Rolf Turner
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