USB is a universal, general interface standard for connecting peripheral devices to PCs.

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how to read data from ps/2 (usb-mouse) similary like I read serial port from arduino?

How to read data from ps/2 (usb-mouse) similary like I read serial port from arduino ? For example when I press serial monitor in Arduino IDE or wen I type: "import processing.serial.*; ...... " in ...
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61 views

iPod headphone to USB adapter

I have a set of headphones that have controls specifically designed for the iPhone, that is, they send signals through the 3.5mm cable and they are interpreted by the iPhone. I would like to connect ...
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380 views

Virtual COM Port Using usbser.sys Keeps Dropping

I have a C# wpf application that is communicating with a device via a virtual com port over USB. This device is using the usbser.sys driver. Everything works normally as expected and communication is ...
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148 views

Matshita CW-8221 pulled from MacBook with USB adapter

Background I want to put together a little home media box on the cheap with a Raspberry Pi and some used parts I had. I have an original MacBook that bit the dust and but had a working optical drive. ...
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222 views

Wine screws up Pulseaudio and USB audio card when already playing ALSA stream

My setup is a Thinkpad T420 with Creative X-Fi USB audio card. Everything usually works fine, I can play multiple streams and arbitrarily move streams from one audio card to another. One use case ...
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114 views

Plugging USB sound card prevents Windows Screen saver from running

I'm developing an embedded Windows based device with some extra hardware (an information kiosk). I need second sound card in the device so I use USB Device like this but when I plug it in it ...
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37 views

What do files names like 'usbdeva.b_epX' mean on Linux after USB device got plugged in?

On gentoo Linux 2.6.30 I see the creation of the following character devices in /dev/usb, when I plug in a USB device: usbdev2.8 usbdev2.8_ep00 usbdev2.8_ep02 usbdev2.8_ep81 usbdev2.8_ep82 My ...
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286 views

How to disable USB access for Users group

I want to restrict access of USB ports for all users who belong to Users group in Windows 7 without using any third party software. Any help will be highly appreciated.
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304 views

Why does my computer no longer recognize keyboards?

This is an Asus All-in-One from 2010 running Windows 8. The computer froze. Upon reboot, the keyboard was not detected and would not power up (the lights would not activate as they usually do.) I ...
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186 views

USB disabled when installing CentOS 5.8

My USB keyboard does not response when installing CentOS 5.8 with options "linux noprobe". Given the fact that before installing from a burnt DVD, I once tried to install from a USB flash storage, it ...
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193 views

USB Floppy drive for a 3.5" regular FDD bay

I am going to be ripping out my old fan controller, and putting in a larger one in a lower bay; since I've lost the faceplate for the 3.5" FDD bay it is currently occupying, I'd like to play a USB ...
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305 views

KVM USB Passthrough and Zydas usb wireless adapter: device or resource busy

i'm tring to setup a kernel testing virtualmachine for a 80211 module. i start my machine with this command: kvm -m 512 -net nic -net vde -usb -usbdevice host:0ace:1215 ktesting.img i set up a ...
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6k views

Install Windows 7 64bit from USB drive in UEFI mode

I got a Lenovo Ideapad Y580 with Windows 8 and I want to install Windows 7 on it. I followed the instructions on this link to create a UEFI Windows 7 Install USB flash drive - but it does not work. I ...
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436 views

Can I set the default application sound level in Windows 7?

I've got a set of Logitech S150 USB speakers which have a problem with sound levels. Basically there seems to be only two levels (completely silent or ear-splittingly loud) and no middle ground. Some ...
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186 views

USB Mouse (wired) is not working on login screen after updating Ubuntu 12.04

I have installed ubuntu 12.04 and after updating it my USB Mouse (wired) stopped working on Login Screen it self. Kindly provide the solution if anybody have. Thanks in advanced.
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82 views

Install Ubuntu 10.04 usb disk

I was able to create a bootable USB disk from Ubuntu 12.10 with the following commands and it worked on my computer. However, when I did the same thing with 10.04 and tried to boot from the ext, it ...
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124 views

Can Kies provide a data connection so my phone can avoid mobile data usage?

I regularly connect my Samsung phone by USB cable to my PC to charge it up, and when I run the Samsung Kies app on the PC I can sync data too. Is it possible for my phone to use my PCs internet ...
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548 views

How do you clear the USB cache on Windows 8?

In Vista / Windows 7 it was the infcache.1 file you deleted and magically your USB devices worked again once connected. This doesn't seem to exist in Windows 8 so I'm wondering what the alternative ...
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73 views

USB 3.0 not functioning fully

After installing GNU/Linux today onto my Lenovo Y570 laptop, I ran into an issue quickly - the USB 3.0 support. 2/3 of my USB ports are 3.0 so I kind of need them. The ports are powered at the very ...
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558 views

Drive not detected in Windows 7 but Ubuntu detects it

I recently bought a Seagate Expansion 3TB (STBV3000300) external hard drive and tried running it on my computer with Windows 7 installed on it. It is not being detected by the computer. I tried ...
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209 views

1.8 VDC POWER remains on USB after SHUTDOWN (HP Compaq Pro 4300 SFF - Product ID: QZ219AV)

I am having unexpected opportunities with a USB Device failing to properly initialize on startup after a shutdown, which seems to be caused by residual power remaining on my USB Ports (after ...
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121 views

Material to use for computer system cover against UV and salty air?

I live right next to the sea and have a large window quite close to my computer setup which allows a lot of indirect sunlight to enter. I'd like to buy or make a cover for my computer system. From ...
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2k views

Install Windows 7 USB with Mountain Lion's Boot Camp? (MBP)

I was on the net the whole day and I couldn't find any clue to solve this problem... I try to install Windows 7 on my MBP with the .iso and an USB key. To do so... Boot Camp. My CD-ROM player is dead, ...
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341 views

Virtual CDrom Methods? (Like the old U3 sandisk hack)

It sucks because I used to have a sandisk U3 and now... /shrug To the point then, Ive been trying to find a cheap way to emulate a CD/DVD/BDrom through USB. The U3 USB drive I had, let me write an ...
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421 views

no sound with an USB Microphone and pulseaudio

I connected my USB Microphone to my Computer, but i cant get it to work. Pulseaudio recognizes the device, and i can see and edit it with pavucontrol in the Input Devices section. I also can select ...
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73 views

wd800B-015 usb drive installs as unknown device

Drive worked well for years but now installs as unknown device and is not accessible. I have tried many solutions with no success. I plugged the drive into a friend's computer, it installed as ...
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260 views

USB 2.0 support on legacy motherboard

One of the machines I've is a 10 year old one. I can't discard it due to some sentiment (Mom). Legacy board: Mercury 810e / on board USB 1.1 Problem: USB 2.0 ALi PCI card doesn't work as it supposed ...
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273 views

SATA Blu-Ray drive not detected via USB adapter

I'm using an SATA blu-ray drive (Lite-On IHOS104), connected via a USB adapter to my Windows 7 (32-bit) notebook. The first time I plugged the adapter in, it worked perfectly. The drive appeared in ...
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463 views

How can I mount a USB license dongle on a shared VM in VMware Workstation 9 for Linux?

I currently have VMware Workstation 9 for Linux installed on a 64-bit Ubuntu 12.04 Desktop machine. I'm using a Windows XP VM to run some software that requires a USB-based license dongle to run. When ...
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411 views

USB Networking via a Huawei 3G device EC5805 MIFI

I want to connect my MiFi through the available USB connection that I enjoy in Windows, OSX 10.5, and Mint. So far, all YDL 6.1 has done is laugh at my attempts to use the USB option in netman. I ...
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48 views

Picking right serial device

I have several identical USB to serial port adapters on my Fedora FC12 server. Each time I boot, the devices seem to change devices names (/dev/ttyUSBn). Now I will assume that the bus and device ...
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543 views

VirtualBox connect USB device to guest

I have Virtualbox 4.1.18 installed in a laptop with windows seven pro 64 bits. As many others, I have been strugglying for hours..days sharing an usb device (alfa card) with the guest machine ...
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262 views

Microkingdom USB headset not playing sound properly

My headset is playing sound that should only be playing on the left side on both left and right sides of the headset, but sound that's coming from the right is on the right side. It's also odd that ...
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269 views

Microsoft Mouse Not Detected in Vmware Windows 7 x64 on the mac

i hope someone can help with this problem im having, my wireless microsft mouse is not detected in windows 7 in vmware running on a mac. i have installed the intellipoint driver version 8, and this is ...
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242 views

MY USB3 Card is preventing my computer from sleeping. How can I stop it?

Whenever I try to put my computer to sleep, it wakes up instantly. I have found out it is the USB 3 card I recently purchased which is the problem, as when I disable it in Device Manager my computer ...
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353 views

How to get data from sniffed usb communication?

we are trying to get raw measurement data from one usb sensor as the control software is a black box and the manual does not contain anything about how it process the measurements. I was able to ...
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335 views

I have problems booting windows 7 with logitech usb unifying receiver connected

For the last month I have been having problems booting windows 7 when my Logitech unifying receiver is connected. The computer comes on but doesn't even get to the BIOS splash screen and there is no ...
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1k views

Device driver software was not successfully installed

I have a USB stick that was formatted with FAT32. It worked fine but all of a sudden I receive only the error "Device driver software was not successfully installed" whenever I plug it in a USB port. ...
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1k views

Volume / gain too high with ALSA under Debian for an USB sound card

I encounter some issues configuring audio with ALSA on my Seagate Dockstar on which I plugged a little USB audio card. I'm able to play music with MOC but I'm stuck with a volume way to high. ...
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546 views

Using an Arch Linux persistent USB on mac

Ok, so i following this guide on the Arch Wiki https://wiki.archlinux.org/index.php/Installing_Arch_Linux_on_a_USB_key, and installed Arch successfully to my 16GB sandisk cruzer. Ive got 3 partitions, ...
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121 views

Acceptable USB chips for Mac OS X

With Apple's push to the App Store for Mac OS X applications, and the fact that you are not allowed to install drivers in the OS to be in the Store we are left with a hardware quandary. Investigating ...
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315 views

How to find out the number of the adapter, SCSI-ID and LUN (Logical Unit Number) for a USB-DVD-Drive?

I am using a DVD-Drive that is plugged in via USB. I have got a corrupted DVD which I try to recover by using the Tool h2cdimage. This tool needs the number of the adapter, SCSI-ID and LUN (Logical ...
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250 views

3G connection stalling after long periods of activity

I have a Huawei E1752 3G dongle that is connected to a machine running the latest stable Debian. My problem is that after a long period of use (in the order of days), the 3G dongle seems to stall and ...
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603 views

Bootable repair tool for Windows, created on OSX/Linux

My friend has an unbootable Windows laptop, most likely a software issue, but in any case I need to run chkdsk and maybe some other diagnostic stuff or otherwise get access to the files. Safe mode ...
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241 views

DB Paradox 3.5 and DOS on VMWare Player 4

My organization have to work with Paradox 3.5. We have 2 HD on a computer. One with Windows and one with DOS, where Paradox 3.5 is placed. So we bought a new printer, which does not work on LPT port. ...
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71 views

Static configuation of USB interface on linux

How can I make sure that devices connected to a port are always assigned the same 'usb0' & 'usb1' interface .
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64 views

Name of a specialized A-to-mini-B USB cable

I am looking for a USB cable with the following properties: Mini-B connector on one end, A connector on the other end Pins 4 and 5 on the mini-B connector end shorted Injection mold casing on both ...
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456 views

Missing data reading hidraw

When reading data from HID device via hidraw, sometimes I miss some data. I can see that the data is transmitted OK over USB using a hardware snooping device, but for some reason I don't always get ...
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76 views

ASUS USB Crosslink cable filesharing

I've purchased Asus USB Crosslink cable 2GB. I've read this answer:http://superuser.com/a/335822/108197 and I was hoping I could achieve similar behavior. But after i connect two linux boxes ...
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482 views

Windows 7 Eject Drive ejects internal keyboard and trackpad

I'm running Windows 7 on a Macbook Pro via Bootcamp. Recent (most recent windows update, maybe?) I started having this issue: The external drive (with two partitions) plugged into one of the two ...