USB stands for Universal Serial Bus and is a general and universal interface standard for connecting computers and electronic devices.

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USB not recognized or showing a drive letter

I have a SanDisk Cruzer that suddenly stopped being recognized today. It's two years old and has been through the washing machine a few times (though not recently) so it's entirely possible the ...
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137 views

Can short circuiting kill a USB cable?

I have a power strip and four things were connected to it. My air filter, laptop, Samsung Galaxy Tab, and Motorola Droid 4. For the phone and the tablet, there are actually 2 components to the ...
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136 views

Windows 7 slow logging in with mobile phone connected

When I'm starting Windows (Win7 Pro 64) while my mobile phone (Samsung Galaxy I9100) is connected to the USB port it hangs for about 1-2 min (on the screen just after logging in). I checked windows ...
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138 views

external usb (backup) hard drive: is power down or sleep more harmful

I have an external usb hard drive on which I clone my mac's hard drive. I have it on a clock timer. It turns on about 30 min. before the backup process starts and turns off roughly 30 min. after the ...
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64 views

scanner shows up in xsane under a false device address

i have a problem communicating with my Brother DCP-8040 which can be used for scannig and printing as well. I cannot really tell what the problem really is but here is the output of commands that i ...
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273 views

USB flash memory is not mounted after is connected?

I have a Trancsend Jetflash TS2GJF210 USB drive. When I connect it to my old laptop (Dell Latitude D630) it is not mounted. dmesg shows following messages: [108884.154796] usb 2-2: new high-speed USB ...
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31 views

Alternate communication types for USB devices

The general way to communicate with the device via USB is the default control pipe. Is there any other way to communicate with the device?
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295 views

Get 3G USB Modem's (Huawei K4201) USB/Serial Identifier on Mac

I have an Huawei K4201 USB modem and a Mac running Mavericks. My ultimate goal is to be able to control it via a Java app. To do this, I first must get it's port name when plugged in. Using the ...
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1k views

What Linux distros are most suitable for use on a persistent live USB?

I have noticed that not all Linuxes work well in persistent live USB. I am aware that large distros are not recommendable, and the most suitable are the lighter ones (for example, Lubuntu or Xubuntu ...
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639 views

Emulate a USB camera with an IP camera for web conference

Our office uses Cisco's WebEx for business web conferences and I want a camera with Pan/Tilt/Zoom for use in our board room. Unfortunately WebEx only supports USB cameras (mainly those on the Windows ...
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2k views

Windows 8.1 not allowing me to install ISP's (Tata Photon) client software for Huawei EC315 USB modem. Need to Auto run the setup file

Well, as it says in the question above, I need to install my service provider's client software to connect to the internet. According to the instructions the ISP (Tata photon) gave me, I'm to find ...
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371 views

Can I Power the front-panel USB 2.0 ports with the power supply's 5V rail?

I have a high power (700ma+) USB device I wish to use on a single front-panel USB port. The USB specification in Wikipedia states: The USB 1.x and 2.0 specifications provide a 5 V supply on a single ...
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39 views

Truecrypt has marked my C: Drive as a “TrueCrypt Traveler Disk”

I'm no expert in TrueCrypt or encryption, but I needed to encrypt my USB with a password and it was suggested to me to use TrueCrypt. So after long hours of trying to find out how to add a password, I ...
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406 views

My 4TB Seagate Backup plus works externally, not internally

I just recently purchased a a 4TB Backup Plus and installed about 1.5GB worth of data. I connected it using the USB 3.0 input on my motherboard.. Works fine. .. I then decided to use the bare drive ...
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39 views

USB device not being mounted on Windows 8

We are trying to mount a cellphone Razr I through USB on a Windows 8 platform. It was working before, but now, the device doesn't show up at all on this Windows laptop and neither on a Mac. I had a ...
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183 views

Auto-mount all USB-devices at same USB socket to same mountpoint

I have a small computer with 2 USB sockets : A and B. I want any external USB disk, attached to socket A - to be mounted as "deviceA" I want any external USB disk, attached to socket B - to be ...
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58 views

How can I monitor or get a history of devices connected to my computer

I have a device repeatedly connect/disconnect. When in an application or watching a movie I'll hear the connect/disconnect sound. I know USBDeview is an application that does what I want somewhat, ...
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194 views

I'm out of ideas how to get my usb drive working again.No solutions on the internet worked

The device is not visible under the section Mount Devices in Parted Magic, nor in my mini-install of Windows XP. I've tried several things to fix the 16GB flash drive, which is a Kingston Data ...
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234 views

Connect Mobile phone/ GSM modem to a VPS or hosting dedicated server

I have a Nokia E71 phone that I am using for as a GSM modem to send out SMS (text message) through the web application I wrote. Everything is working fine on my local machine and now I am looking to ...
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948 views

USB keyboard randomly stops working (can't reset device error: -32)

Once in a while (extremely rarely, maybe once every few months), my keyboard stops accepting input, seemingly randomly. The mouse is dragged down at the same time. What I tried initially: ...
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2k views

Pendrive does not show up in Linux Mint 15

H have a Linux Mint 15 - Cinnamon edition on my computer. Today I booted up my Linux (I use dual boot) and downloaded the ISO for Mint 16. It worked. But since I logged in today, my USB, SD, and ...
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226 views

Asus P8P67 PRO usb copy corruption and updating USB Drivers and chipset drivers

I'm running Windows 7 64 bit (updated all important updates yesterday) and have several external usb hard drives (self powered 3.5 inch). I recently noticed while copying files to the external drive ...
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62 views

Clarify misunderstanding about USB hosts and IRQs

I have a long-suffering usb sound card (Creative X-Fi HD). Its manual said the following: Ensure that the headset/soundcard uses a USB Host that is on an individual IRQ slot. This means that no ...
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232 views

Seagate USB '3.0' Speeds with Ubuntu ZFS

I am currently researching zfs. I have a RAIDZ-2 system with an SSD Cache. My issue is backups, our idea is to send snapshots to a USB 3.0 Seagate external harddrive. I understand and have read the ...
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313 views

logitech wireless devices not recognized on Debian

I have a unifying receiver for mouse and keyboard. I am using Debian Wheezy on Asus UX31A. The devices are recognized and working during boot and also in grub menu. Once I get the Debian log in ...
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347 views

USB drive unresponsive

I have a 2TB harddrive connected via USB 3.0. This drive has been working fine for a while now. Quite often, when opening an arbitrary folder on the drive, it just freezes for about half a minute. I ...
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376 views

Gigabyte Z77X-UD3H ATX Motherboard No Longer Recognizing USB Devices, Computer Inaccessible

around May I built a new computer with the following parts: Intel Core i7-3770K Quad-Core processor Corsair Vengeance 32GB (4x8GB) DDR3 1600 MHz memory MSI Radeon HD 7950 Twin Frozr III 880MHZ 3GB ...
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204 views

If USB 2.0 max speed is 35MBp/s (480 mbits) why am I transferring at 120MB over gigabit?

I have a USB 2.0 External HDD and when I transfer something to/from the HDD over a gigabit network, I have a 120MB transfer speed, but USB 2.0 over supports 35MB
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56 views

HTC Android Fails to mount- Mount from computer?

I Have an HTC Incredible S (S-Off, Rooted, ViperVIVO 1.3.0 ICS) that has seemingly ceased to posses the ability to mount its SD Storage to my computer. For whatever reason, whenever I plug in my ...
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425 views

Using a kvm switch with a wireless keyboard & mouse

I have a USB KVM switch that I am using with Logitech k350 wireless keyboard and wireless m510 mouse with the unity receiver. I have a windows 7 & a Mac that this is hooked up to. When I switch ...
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194 views

Default Webcam Driver Issues

I'm having troubles getting my monitor-attached webcam (ASUS VK248H) to install on my new computer. On the old computer, it was a matter of not using a USB 3.0 port, but I can't get anything to work ...
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278 views

Laptop 3 monitors - unable to save settings

I have bought a usb display adapter to connect a 3rd monitor to the laptop (built in, HDMI, and external usb adapter). The problem is that I can detect the 3rd monitor (connect via usb), but when ...
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416 views

USB ports causing Wireless and Mobile Phone tethering drop out

I have a problem with my USB ports and I can't seem to pinpoint the problem. I'm hoping that I can get some idea as to how to troubleshoot my problem. Problem description: I recently bought a USB ...
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40 views

Partitioning a hard drive with Linux already installed

well I have a problem with my current linux installation where it freezes the entire system when I try to write to my external USB 2.0 hard drive. I think it might be a bug with NTFS but I don't want ...
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31 views

How to detect when a specific piece of USB hardware is plugged in?

I'd like to automate some things by starting an app when a USB wifi router is plugged in. How do I detect that in Windows 7?
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264 views

Backing up Xbox 360 USB data then using then USB drive

I have one USB drive available to me, its a 16GB Corsair which I use to save my Xbox 360 game data to. Now, I want to install OpenSUSE via a live USB, so I need to backup the data on the drive to my ...
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587 views

Why I have to replug my mouse occasionally?

I've got two USB wired mouses (mice?): "Mad Catz R.A.T.7" and "Canyon CNL-MBMSO02". From time to time when I start my computer I find the latter mouse not working. But it starts working if I replug ...
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1k views

How to fix the COM port name for USB serial port in Windows 7?

I am using USB-to-Serial port adapter in Windows 7 notebook. The model as seen in Control Panel > Hardware and Sound > Devices and Printers is named as Profilic USB-to-Serial Comm Port. When ...
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284 views

Use an audio/video file from a Linux laptop via USB to be played by Magic Sing ET-23H

I am one of the technical directors of a regular karaoke contest event. For the karaoke contest itself, due to tight budget, we are using what one of the sponsors are providing - Magic Sing ET-23H . ...
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210 views

BIOS not able to boot from USB

I'm using an HP Pavilion dv7-3165 dx. (BIOS version F15 of Insyde H20) I can go into the boot selection menu by tapping ESC, and then F9, and I can see my TOSHIBA EXT HDD, but whenever I plug in a ...
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656 views

Why does my USB Debian 7 “Wheezy” install keep freezing?

I am sort of at a lost to as what to do exactly. I have Debian Wheezy installed on a USB flash drive. I installed it by burning the Debian LiveCD and booting my PC to that, plugging in the flash drive ...
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485 views

Edimax EW-7822UAC - Cannot get it working on my ArchLinux Server

I cannot seem to get this new USB device running on my server sudo make install says user@home rtl8812AU_8821AU_linux_v4.2.2_7502.20130517]$ make install install -p -m 644 8812au.ko ...
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133 views

USB live boot into any windows OS?

I want to boot from a USB stick into a windows OS (any), however I can't find an ISO that will work on my USB. I have found pe builder but its a windows program and I am on linux. Could anyone link ...
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169 views

Slow copying of files from Bricked NAS to computer via USB 3.0 to SATA

Unfortunately I bricked my "Western Digital MyBookLive 3TB" network hard drive. (Only had an ethernet port to access files via network) After realising it was not going to work again, I decided to ...
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247 views

Hotplugging on Ubuntu 12.04 does not function

I am running Ubuntu 12.04 on a HP box. Approximately two weeks ago for no apparent reason hotplugging ceased to function. No longer did an icon pop up on the sidebar announcing a USB flash memory or ...
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114 views

Is it possible to lose data on an external SSD drive despite using the “safe remove” feature?

I have an SSD disk in a third party USB 3.0 disk enclosure. The drive is NTFS formatted. Lately, I've almost lost some of my data despite using the "safe remove" windows feature. Here is what ...
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3k views

How do I Reverse Tether my phone for internet connectivity without rooting?

I'm trying to create an internet connection for an android device using a linux(Ubuntu 12.04 x64) box. Creating a WiFi hotspot proved to be redundant as the device cannot discover the network. Next, I ...
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642 views

What should I fill in “path for boot option”?

I am really confused about this case. I have a new laptop but no DVD drive. I want to install windows by USB. I have set my USB to bootable, and the problem is, there is no option for BOOT priority ...
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3k views

Win 7 — mice only work in safe mode — what does it mean?

My Windows 7 system on Mac via Boot Camp isn't seeing any mice. Mice were working fine up until yesterday, then suddenly stopped working for no apparent reason. Move the mouse around, cursor stays ...
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245 views

Windows 7 RNDIS client sends REQUEST without DHCP server IP

My linux based board is running a DHCP server on USB0 port to assign a fixed IP to the connected RNDIS client. When I connect Win XP or Ubuntu machine with this board, host machine gets the fixed IP ...