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

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My USB pendrive always goes read-only, what can I do?

I have a transcend 16 Gb usb pendrive. I save my daily works to it. I wrote a bash script to copy the contents of my working directories to the pendrive. The bash script contains only "cp" and "mkdir" ...
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1answer
13 views

Clone USB-drive bit for bit

I have a USB-drive that is encrypted with Truecrypt. Now, I'd like to make a copy of it from time to time, so I need a method of cloning the USB. The two USB-sticks are of same size, brand, and type, ...
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2answers
21 views

How can USB 3G modems reach high speeds through a virtual serial port?

I'm a bit puzzled about the virtual COM ports used by modern high speeds USB devices that creates several serial interfaces, one of which is used for data transfer. A modern 3G/4G USB modem can reach ...
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1answer
29 views

USB Drive Format for Reading/Writing 4GB+ Files on OSX and Windows

I am trying to settle on a drive file format which is compatible with OSX and Windows for reading/writing 4GB+ files. Linux support would be a bonus. Using FAT is a no go since it does not support ...
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19 views

windows 7 suddenly not recognizing USB display adapter - display settings messed up

I have been using two USB display adapters (USB video cards) to connect windows 7 laptop to multiple monitors. All worked well, then after I tried to connect it to different monitor, windows 7 no ...
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1answer
11 views

External drive in constant use the moment a track from it is added to iTunes

Adding tracks to my manually managed itunes library takes ages. I've noticed that the drive goes into a "constantly-in-use" mode (from the blinking led and spinning noise) the moment I drag a track ...
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0answers
10 views

Zorin no Kernel. Hard Drive is completely wiped after installing

I installed Zorin successfully, but I wiped eveyrthing that was previously on my hard drive. So when I boot up I'm in grub. I typed "grub> boot". But its saying I need to load a kernel. I have no idea ...
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1answer
32 views

Windows USB keyboard and mouse won't work, PS/2 keyboard does

Everything was functioning properly. I turned my computer off and came back to it a couple of days later to find that the keyboard and mouse are not working in Windows. I am running Windows 7, 64 ...
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1answer
12 views

Seagate Expansion external drive not recognised in Windows 8.1

Can someone PLEASE tell me why my Seagate Expansion external hard-drive is NOT recognised in Windows 8.1? It worked perfectly on my other Win 7 Pro laptop, I just bought a new laptop with Win 8.1,and ...
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0answers
4 views

Seagate ext hdd breaks USB connectivity in Windows 8 x64

A friend has a Seagate 1TB ext hdd (model: srd 00 f1). When connecting it to his Sony Vaio (VPCSB1S1E - Windows 8) it shows up in the Device Manager with a driver error. When trying to uninstall the ...
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0answers
8 views

Microphone input from Vantec USB Sound Adapter only from left channel

I'm using Vantec's 7.1 USB sound adapter (NBA-200U) in order to eliminate static that I experienced from my onboard sound card. The adapter itself has two mic inputs for stereo recording, and the left ...
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16 views

Cannot open 2 USB cameras simultaneously on VLC player Ubuntu 12.04

Cannot open 2 USB cameras simultaneously on VLC player Ubuntu 12.04 How I open a Camera: In terminal (text after the $ prompt = commands that I type): $ ls /dev/video* /dev/video0 /dev/video1 $ vlc ...
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0answers
8 views

How could PC Doctor, etc. boot and how does the HDD mess up offline boots? [on hold]

We finally gave in, and gave the laptop to Staples. Apparently, the Staples tech ran "PC-Doctor" and tested a lot of hardware, eventually finding (via SMART) a hard disk failure. He said it was a ...
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2answers
30 views

USB isn't recognized

I've been having this problem with a specific USB of mine. Once I plug the USB device in a USB port, the device is recognized and comes up in my device manager but shows up transparent in my ...
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1answer
30 views

USB Touchscreens - Unknown Device after PC has been off overnight

I'm out of leads on this problem, and I'm hoping someone will read this and know what to look for. The Problem I have two machines. Both machines are identical in terms of software, hardware, and ...
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1answer
21 views

I need to connect two USB cables but upon peeling them i have come across wires of totally different colour schemes, how to connect them?

I need to connect two USB cables but upon peeling them i have come across wires of totally different color schemes. One USB cable has RED, WHITE, GREEN and BLACK wires. While the other cable has four ...
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0answers
31 views

Booting Windows 7 Installer from USB Samsung Series 5

I have a Samsung Series 5 laptop that came with Windows 8 Pre-Installed and a bunch of manufacturer stuff i didn't want. I cleaned the DISK and installed ubuntu 14.04. Now i was trying to install ...
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1answer
16 views

Managed USB Switch [closed]

We have 4 computers controlled by an KVM-over-IP switch, so we can remotely control the keyboard and the mouse and can see the screens. Now, we need to connect an usb flash device to that computers - ...
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2answers
46 views

Detect a signal on USB without specific hardware?

Is there ANY WAY to detect a signal on a USB port without a device attached? Thus just a Voltage sent to the port on the pins? Just want to detect if a electric flow is closed? This is for a flag ...
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0answers
16 views

How Do I Enable Developer Mode on Chromium OS Build Running from a USB Stick?

I've been interested in Chromebooks and Chrome OS for a while. Upon learning about the existence of openly available PC-compatible builds of the OS via ArnoldTheBat, I'd figure I'd get a first-hand ...
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2answers
28 views

USB Switch for Keyboard and Mouse (KM)

Background I am looking to switch my keyboard and mouse between a desktop computer and a laptop. The desktop resolution is 2560x1600, which eliminates most (but not all) KVM switches. The monitor has ...
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1answer
18 views

ARCH boot error from USB:modprobe: FATAL: Could not load /lib/modules/3.15.5-2-ARCH/modules.deb, no such file or directory

I am following the (32-bit) ARCH installation tutorial on http://wideaperture.net/blog/?p=3851 This works fine on VirtualBox. No issues. However, when I repeat the process on a real hardware with ...
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0answers
17 views

USB Flash Drive Recognised as an Internal HDD?

About 9-10 months ago, I bought a Sandisk Cruzer 16GB flash drive. It was all fine then one day I plug it into my Windows PC (Compaq Presario C700 upgraded to 2gb ram and with windows 7) the drive was ...
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1answer
18 views

Extracting files from busted Android phone

I have a busted android phone, manufactured by a brazilian company. It broke within five months, but it still hold lots of info (such as contacts and apps) that I'd like to retrieve. They are not in ...
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0answers
25 views

Connect two mobile phones via usb otg cable [closed]

Out of curiosity, I was thinking what will happen if we connect 2 mobile phones via OTG cable and a charging cord. For example, we take 2 android phones; in one attach USB OTG cable and to that OTG ...
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1answer
19 views

Hardrive test using Gsmartcontrol

Few weeks ago, my laptop hanged all of a sudden while transferring files from an external harddisk. After i restarted, there was a black screen which showed insert boot device. I checked the boot ...
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16 views

TP-Link Dual-Band Wireless WDR4300 Usb volume9 volume10

My router has an usb conneted, but after a few hours its disconnected and connected again with a new name. For example: . First its connected to volume9. - After a few hours is volume10 and then ...
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1answer
34 views

Windows 8.1 doesn't boot unless I boot from installation USB

I can successfully install Windows 8.1 on a Samsung Series 5 Ultra, but when I try to boot the system it only shows a menu with the main HDD as an option. I select it and nothing happens. The only way ...
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1answer
24 views

USB drive stop working while is in use

First of all i'm sorry for my english. I post here because i've searched a long time in google and i've not found anything useful. I've seen some post on this forum too but all are too old or don't ...
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0answers
48 views

How to wipe a USB flash drive without a computer

I have a USB flash drive that's become unreadable in any computer. It has a lot of confidential information on it which I need to wipe before sending it back to the manufacturer for a warranty ...
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1answer
94 views

Erase write-protected USB

I'm trying to erase a write-protected USB flash drive. This drive was distributed with Autodesk software on it; the write protection was intentional. I've tried formatting and deleting, which of ...
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2answers
81 views

Debian USB install cannot find hard drives

I'm attempting to install Debian wheezy onto a new server box I just built, however the auto-detection for the platter drives and SSDs (using SATA 6gbps) does not seem to pull up anything. In fact, ...
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1answer
25 views

What is the difference between USB-Mode and HID-Mode?

I have an Elite EL token. and I have some tools to work with it. One of the softwares is Elite EL set mode. As you see I have two options, HID-Mode and USB-Mode. Q : What is the difference?
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7answers
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Should I plug my mouse into a USB 3.0 port?

I'm looking for an authoritative answer, backed by data. A friend asked me the other day whether he would benefit from plugging his mouse into a USB 3.0 port instead of an available 2.0 port. I ...
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0answers
12 views

Internal card reader not recognized on boot

In 9/10 times, my internal card reader is not recognized when booting my pc. It's a desktop computer and the card reader is attached directly (internally) to the mainboard (Asus H81M-K) via 9-pin ...
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1answer
19 views

Mouse and keyboard take long time to activate when disks are connected

When booting up Windows 7, my mouse and keyboard (USB) take a small while before they are operational, depending on the number of external hard disk drives connected to the PC during boot (also USB). ...
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15 views

USB modeswitch raspberry pi: endpoint not found error

Hi guys I am having trouble doing mode switch on my pi using the ZTE MF70. There are 3 modes 1. Download Mode(DIAG+AT+MODEM) (code: 0016) 2. Debug Mode(RNDIS+DIAG+AT+MODEM (code: 1404) 3.Work ...
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I can't finish Kali Linux installation process with ISO [duplicate]

During the Kali Linux installation process, I can't install because I am not using a CD or USB. I am using an ISO from the torrent download. I wasn't connected during the process so I don't know if ...
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1answer
37 views

DATA TRANSFER over usb [duplicate]

I am using a USB extension lead to extend the length of my usb cable and I am wondering do these slow down the transfer of data from an external hard drive to the machine.
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9 views

Weird Glitch with USB-Powered Mice

thanks for the support! I really do appreciate it. I'm having a weird issue with both the USB mice that I own. OS: Windows 7 It happens through my USB hub and via all of my USB ports. Issue: ...
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16 views

Running Virtual Machines on USB 3.0 drives

There are some pretty interesting USB 3.0 drives out there in the 'stick' variety, notably from Corsair and Mushkin. I'm wondering if anyone can attest to the performance of VMs on these drives, of ...
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0answers
35 views

Slow USB Transfer Speeds (USB 2 & 3)

I have recently purchased an Alienware 17 and I have all the current drivers from the Dell website but my USB 2 and 3 write speeds are very slow. My old computer which had lower processing power, ...
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votes
1answer
16 views

install win8.1 from usb

I have an Win8.1 installation on usb. When I want to boot installation from this, I get an error: The boot configuration data file doesn't contain valid information for an operating system. The ...
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0answers
29 views

Logitech G930 Headset only works in one ear

I have a wireless USB Logitech G930 headset. It works out of the box in Debian, except that only the right channel works. The other side doesn't produce any sound. If I plug my headset into my Windows ...
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52 views

How can I install USB Prober from the Developer SDK on Mac OS X?

I've tried to do some research to figure this out, and per this Technical Q&A: USB Prober is installed as part of the Developer SDK installation. If the Developer SDK has been installed, then ...
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sound crackling/popping after wake from suspend

I have a windows 7 PC, with built-in sound card in the motherboard and a USB headphone. After waking from sleep, the sound very often (though not every time) crackles/pops (say, when playing a flash ...
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Logitech Mouse/Keyboard Combo (MK520) takes 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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28 views

USB modem on OS X doesn't respond to Python modules

My goal is to communicate with my USB modem on my iMac with Python so I can send commands and read the results and responses. I have a USB modem hooked up to my iMac and I can communicate with it ...
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1answer
56 views

Will corrupted data always show up as corrupted?

I have the important data from my computer backed up on a USB flash drive. I know I probably should have backed it up to DVDs or something as well, but unfortunately, I did not. My computer was having ...
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23 views

SATA external hdd is detected as a removable drive and asks “please insert a disk”

I have external SATA hdd of Samsung 200GB. When i try to connect it to my PC, it's being recognized as a removable Disk and when I click on it, a message of "Please insert a disk to the drive" pops. ...