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USB device hierarchy in SYSFS

I am trying to figure out the USB device hierarchy represented by SYSFS. I see the following /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/ 0000:00:1a.0 -- represents the USB Host ...
0
votes
1answer
32 views

What are the possible causes of a ghost USB device appearing then disappearing?

About half an hour ago Windows informed me it was trying to install software for an "Unknown Device". However, it failed. Using the Control Panel I checked the device's properties, and discovered that ...
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0answers
11 views

Trying to test streaming app on mobile device with throttling

I need to throttle the bandwidth that is sent to the mobile device (android 4+) I am using my Windows 7 laptop as a wireless hotspot as I do not have access to the wifi. I am connecting my mobile ...
0
votes
1answer
58 views

No access via cygwin to USB connected device (Samsung Galaxy tab II)

In Cygwin, I am used to being able to have access to a USB-connected device via a drive letter. For example, my Droid X2 appeared as E://, so I could do: $ cd E:/<something>/ and get access ...
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0answers
164 views

USB not registering on Linux

I have a usb with a hidden cdfs partition that I want to purge, but when I plug it into my linux box, it doesn't register. fdisk -l only shows my hard drives, and the usb doesn't auto-mount. I pulled ...
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0answers
55 views

Mobile Device Center does not launch on connecting phone

I have an HTC mobile phone running WinMobile 6.5. When I plug it into my laptop (USB connection) which is running Windows 8, the OS recognises that a device has been connected but does not launch ...
0
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0answers
42 views

Hardware device not detecting on Windows 7 - detects only on reboot

I am trying to connect a data connector (USB like hardware device to connect internet), but it not detecting the device, I have installed the device driver software came with the device. Issues is ...
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0answers
22 views

How to get windows 7 to remember connected devices on a network

Is it possible to get Windows 7 to remember devices (e.g. computers) that have connected to a wireless / wired network even when they are offline in a kind of "Offline" section? 3rd party program ...
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0answers
35 views

Autohotkey - get recording Volume of default device's mic

I have already googled and found this: http://www.autohotkey.com/board/topic/21984-vista-audio-control-functions/. But this library dont gives what i want: i want to get the real-time recording volume ...
0
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0answers
79 views

How to uninstall driver using pnputil?

In the device manager - I can successfully uninstall a driver I have, but using PnpUtil doesn't work: pnputil -f -d oem11.inf Why is that ? Some more info: The driver was initially installed ...
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1answer
48 views

USB Driver for Windows [closed]

I want to make a usb driver in c for windows. I have good background in c and c++. Can anybody suggest me how should i start my development?any suggestion?
0
votes
1answer
56 views

USB disconnect sound as I go away from PC, and I'm not touching anything as I get up

My computer is an Acer notebook connected to a HDTV. When I get up and walk away from the computer almost every time I hear the disconnect USB device sound after a few seconds. How is this ...
8
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1answer
258 views

Linux - Creating Virtual Audio Device

My question here is rather simple. How does one create a purely virtual audio device in ALSA that would be capable of: being used as an audio output destination, being used as an audio input source, ...
0
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0answers
31 views

msys-1.0's dd on windows

msys-1.0 (MinGW) has an implementation of dd usable on windows (dd.exe) but windows does not have file representations of drives to use with dd. Or does it? Afaik dd operates on files. Is there a way ...
0
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0answers
46 views

I have seen some tutorials that lead you to add a device ID into the valid IDs in the drivers of another device. How does this work?

Let's say I have a generic bluetooth adapter, and the default drivers don't support A2DP. So I download some drivers for another bluetooth adapter that do support A2DP. First, when I try to install ...
-1
votes
1answer
139 views

Windows XP Service Pack 3 installs unknown devices

The other day I decided to rebuild the software on my PC. starting with Windows XP, I did a fresh install, and proceeded to install all of the drivers until there were no "Unknown Devices" in the ...
1
vote
1answer
131 views

Multiple USB devices failing to install

I recently bought an audio interface (Presonus Audiobox USB) and had trouble installing it on my computer. At first, I thought the problem came from the sound card itself because the drivers didn't ...
0
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0answers
42 views

How to make “COM1” not accessible for non-administrators?

Under Windows, the access rights of any file can be changed at the administrator's will. Provided that a process started by a non-administrator, the process called CreateFile("com1", ...); to open ...
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2answers
80 views

Windows does not install any drivers for storage devices

I have Acer Aspire 4253 laptop with windows 7 and fedora 17 installed. Recently Windows encounters errors while installing device drivers for storage devices. It fails to install drivers for pen ...
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0answers
34 views

Installing driver from custom file

I recently began reading about the autorun.inf entries on Microsoft's website. I read the section about [DeviceInstall]. It seems to give the 'device' being inserted the capability to install its own ...
0
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0answers
27 views

Why does 3G modem create several ttyUSBs?

My 3G modem creates 3 ttyUSB devices in /dev. I can connect using ttyUSB0. What are the rest of them for? Are there any useful applications of them? Thanks!
0
votes
2answers
78 views

make permanant change to /sys/devices/platform/

I'm configuring my thinkpad's trckpoint using the following command: sudo echo -n 120 > /sys/devices/platform/i8042/serio1/serio2/speed sudo echo -n 255 > ...
-1
votes
1answer
28 views

resolutions of different devices [closed]

I am making a responsive website, and I don't know how small the screen should go before switching to a view for a different device. what are the ranges of resolutions of devices like phones, ...
2
votes
0answers
303 views

Kinect Motor Device Not Detected

I'm trying to install a kinect on Ubuntu 12.04. Unfortunately, lsusb shows that the motor device is not detected : Bus 002 Device 009: ID 045e:02c2 Microsoft Corp. Bus 002 Device 010: ID ...
1
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2answers
315 views

USB pen drive not detected

I have an HP Pro 3130MT running Windows 7. My USB pen drives work fine on any other computer except this one. Sometimes is says something like "..device driver installation failed" and sometimes it ...
2
votes
1answer
155 views

What does the output of fdisk mean?

I've got a flash drive and I want to understand the properties of it as is outputted from fdisk. I inserted it and check the dmesg and I could see that it was mounted as /dev/sdb1 so I ran fdisk to ...
0
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0answers
83 views

Why is Windows 7 constantly detecting secondary monitor as attached and detached in a loop?

I attached a 2nd monitor to my computer (both via HDMI cables, although one is via DVI to HDMI adapter since graphics card [NVidia GeForce GTX 550Ti] has only one mini HDMI out and 2 DVI outs), and if ...
0
votes
3answers
730 views

Windows 8 Devices - Shortcuts

Just bought a cheapo 15.5 Vaio with Windows 8 pre-loaded. I was able to pair it with a Philips wireless headset and it was great. Thing is, each time I want to use this headset, I need to do this ...
-1
votes
1answer
70 views

Run Audio Devices at same time win7

Is there possible too use: exempel: Spotify on one sound card and a game in annother sound card? at the same time?
1
vote
1answer
105 views

FreeBSD seems doesn't see my dlink wlan at all

I have a PC with a Dlink wireless PCI device in PCI slot. The LEDs are blinking, but when I boot FreeBSD I can not see the device in dmesg. Why? is it a BIOS issue? It's pretty ancient hardware. I ...
0
votes
3answers
3k views

What is device COM-MID1 in my router settings?

I see this listed in my home router: Device : COM-MID1 It has an IP address, but is not connected. Could this be anything to do with me trying to connect a TV to my home network? Just in case it's ...
2
votes
1answer
95 views

What exactly are device drivers and INFfiles?

I know that a device driver is a piece of software that enables the OS to communicate with a piece of hardware, but recently I've heard about INF files and have gotten quite confused. Some sources say ...
1
vote
1answer
86 views

nVidia Device missing in my Vaio

I own a Vaio VGN-SZ38GP which came with two gfx cards, nVidia and Intel. Display is regulated through the stamina-speed switch present on the laptop. Stamina switch is for Intel gfx and speed switch ...
0
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1answer
60 views

Accessing computers on second router from first router

For some reason, the IP addresses of devices connected to my second router are invisible to the system connected to the first router. For the second router however, I can view the systems connected ...
3
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2answers
58 views

On Linux, is devices order constant?

For example will sda2 be sda2 on every boot? What about NICs? Will eth0 always be the same card?
2
votes
1answer
49 views

Computer to act as keyboard

Title explains it. Imagine this example, Host computer connects to a Client computer via male/male usb connection. Client computer acknowledges this connection as a new device, in this case a ...
5
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6answers
3k views

Windows 8 constantly plays the Device Connect sound

On my PC, Windows 8 keeps playing the Device Connect sound (Windows Hardware Insert.wav) - a slightly discordant sequence of 3 notes. This is at least every 1-2 minutes, but can be up to every ten ...
1
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1answer
73 views

Track down internet PCs communication using network media devices? [closed]

We have a little argue here about is there a way for internet providers to trace your traffic using the network media devices they are using. Some of the folks say that if you are using an other ...
3
votes
3answers
310 views

How can I make a local USB audio device function as a “play-to” device supported by windows 8?

As a followup to this question: How do I use different audio devices for different apps in Windows 8? I can play music from the XBox Music app on a different computer or network speakers via the ...
0
votes
2answers
40 views

Is it possible to set the device containing a linux root filesystem to always be detected as a specific block device?

I have a bootable linux thumb drive meant to deploy linux OS images and I've been having problems with the thumb drive occasionally changing the /dev/sd device it mounts as, wreaking havoc with the ...
1
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2answers
1k views

Windows 8 will only recognize the Blu-Ray drive, if the Windows 8 disc is present at boot time

If I have the install disc in the Blu-Ray ROM drive at boot time and subsequently remove the disc and replace it with Blu-Ray media, everything functions as I’d expect. However, if I have no media ...
3
votes
2answers
92 views

How do internet services determine the device type?

I'm at my partner's lodgings at her university, and they use a proxy (I think, at least) running Ask4. I don't know the exact structure of their network, but it's likely to be some sort of proxy. The ...
1
vote
1answer
245 views

What is the difference between /dev/usb, /proc/bus/usb and /sys/bus/usb?

In terms of content, what is the difference between these 4 folders? /dev/usb /proc/bus/usb /sys/bus/usb /sys/class/usb_device I found many symlinks between those folders, many redundant ...
0
votes
0answers
46 views

Which disk is \Devide\HarddiskX\drX?

I'm randomly getting errors in the System Log about a "Controller error on \Device\Harddisk3\DR3"; this may be of course a driver error, a NTFS error, or, more seriously, a failing disk. But I have ...
1
vote
1answer
65 views

Show unused device driver

When we plug in the usb game pad, it installs the device driver and starts to show up in the device manager. Can we somehow extract the driver from the device and install it such that it shows in ...
2
votes
4answers
2k views

I have no sound on my computer The speaker icon has a red x on it and it says: No audio output device is installed

I have no sound on my computer The speaker icon has a red x on it and it says: No audio output device is installed. I have done everything step by step following the Window Help and support, Compaq ...
1
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0answers
47 views

Why is My USB ports not connecting anything?

When I open my Device Manager to my Sony Vaio under Other Devices there is a Base System Device with a yellow Exclamation point beside it, What could that driver be because I cant connect anything to ...
1
vote
4answers
2k views

USB 3.0 ports backwards compatibility problems with 2.0 devices?

I see some info on the net that suggest that I should be able to get my USB 2.0 devices to work in 3.0 ports. I only have two 2.0 ports on my new computer, and six 3.0 ports. I have installed ...
1
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0answers
50 views

User interface navigable via game controller [closed]

I am not sure if this is the most apt place to ask this question, but I looked through all the sites so here goes. I am repurposing an old desktop as a media center PC using Ubuntu(for the time ...
3
votes
2answers
240 views

How is /dev/zero created and how can I make variants like /dev/one?

I read the mknod man page, which is (as far as I can tell) what you would use to make a character device like /dev/zero, but I don't see how you would get it to yield an infinite stream of zero bits ...

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