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

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Logitech Mouse/Keyboard (MK520) take 30 seconds to start after resuming from sleep

When I wake up my Windows 7 x64 from sleep, the MK520 set (Keyboard + Mouse) takes about 30 seconds to start working (maybe while the USB receiver and/or the devices are getting reinstalled). All the ...
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29 views

Is there any way to access an unrecognized usb device?

Recently I purchased an MP3 player. I copied some files in it. But when I plugged it for second time => USB Device Not Recognized. I know there is lots of usb device repair programs available, but ...
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933 views

USB 3.0 backward compatible external HDD in VirtualBox

I have Xubuntu 14.04 32-bit installed as a guest in VirtualBox 4.3.12, hosted on a MacBook Air running Mavericks. I can acccess two external USB non-NTFS drives in Xubuntu after ejecting them when ...
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2k views

Windows 7 64Bit USB 2 Drivers/Devices install Fails

Every USB2 device on Windows 7 64Bit system can't install drivers. My keyboard, Mouse, Soundcard(External) are all under Unknown Devices in the Device Manger. (Code 28). USB3 is working fine except ...
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172 views

Change base volume of device (Windows 8)?

I own an USB speaker, since I found the audio quality of builtin speakers far from sufficient. Sadly however, it doesn't have an analogue volume control. The volume buttons on the device simply change ...
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46 views

How to format USB flash drive to work with older device?

I have 2 usb stics. One of them (64MB) is working fine with Nikon npl632. However this device seems not to support any modern flash drives. What I'am willing to do is to format new usb stick - much ...
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512 views

USB ports stopped working (code 19)

Last week all usb ports of my laptop Lenovo B575 with Windows 7 stopped working but on Linux everything is all right. I've figured out in Device Manager that the problem lies somewhere in the registry ...
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48 views

Windows unable to see file system of external HDD

When I copy files from(or to) the external HDD to an internal one by USB 3.0 port, a disconnect happens and I get a Windows' message, that this HDD must be formatted. Windows can't see the file ...
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195 views

How to forward usb port to guest OS using qemu

I have lots of usb devices and I would like to connect them to guest os. Currently I'm forwarding one device at a time. $ qemu-system-x86_64 ... -usbdevice host:xxxx:yyyy I would like to give ...
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223 views

Ubuntu freezes when I plug in external hard drive formatted as exFAT

What can be hanging up my system. I thought I went through the necessary steps to enable mounting of an exFAT-formatted hard drive: # Install fuse-exfat and exfat-utils sudo apt-get update sudo ...
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278 views

Windows To Go boot error 0xC00000E9 on USB 3.0 ports

I found a post (Windows to go usb 3.0 booting problems) which may be the answer but I wanted to throw this out there because the scenario described is not exactly the same and the error code is not ...
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72 views

Avoid USB/Serial adapter port change in Windows enviroment

I would like to know if there is some way to "fix" a serial port to common usb/serial adapters. Many times I saw that changing usb port of adapter it takes a new serial port number. It happends also ...
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41 views

Audio/Video Doing weird things, with new Connections

I have a Logitech G430 USB headset, and whenever I seem to plug in a USB with things on it, or with nothing on it, I will get the Ping of a new connection then ALL audio shuts off. Not only that, if I ...
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337 views

Why does Windows 7 look for mouse drivers every time I plug in my USB mouse?

Every time I plug in my USB mouse (the same mouse each time), and a Microsoft mouse no less, Windows-7 (Pro) searches for mouse drivers and delays approx. 3-5 minutes before the mouse is functional. ...
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5k views

Windows XP installation from USB giving “Cannot find EULA” error

I have an old Pavilion zv5200. A few years ago, the hard drive died, and I got rid of it. I also have an external HDD. I want to install Windows XP on it using the original CD for the laptop, and run ...
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170 views

Plugging in USB device causes electrical sound and system freeze

When I try to connect some device to my computer's USB ports, a strange sound comes (electric sound) and my PC suddenly freezes. It doesn't happens all the time, but randomly I think. Motherboard: ...
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58 views

USB not recognized

When I plug in External USB mass storage device, the following error message is displayed: Previously the device was working correctly, but after few months when I plug it in, it is not working. I ...
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114 views

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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140 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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143 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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142 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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66 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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277 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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32 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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303 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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681 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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411 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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423 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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40 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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186 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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204 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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247 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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971 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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238 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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247 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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316 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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362 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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398 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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207 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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57 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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427 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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211 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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289 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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431 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 ...