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

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USB Keyboard Keys stop working, selectivley?

I use an I-Concepts floppy keyboard via USB on my Toshiba laptop (Satellite C55-A; win 8.0). Up until about 30 minutes ago, it worked fine. Then I walked away and came back to it, it and there are ...
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34 views

USB networking between computer and dumb phone

I have a deactivated Kyocera Kona, formerly running on a Virgin Mobile account, with brewmp 1.001VM. I want to be able to access the picture files on it via USB, because I really like the low-fi ...
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59 views

Cant install Android Composite ADB Interface

I tried for the last 24 hours to solve this problem, but can't find a solution. I want to use my PAP5400 DUO from Prestigio for android-debugging. I have to install the Android Composite ADB ...
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13 views

Seagate Constellation ES does not recognize my USB 3.0

I recently replaced the HD in my computer with the Seagate Constellation ES ST31000524NS 1TB 7200 RPM 32MB Cache SATA and after re-installing Windows 7 Ultimate and also all the motherboard (Gigabyte) ...
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53 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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1answer
56 views

Multiboot USB solution with ISOs [duplicate]

There are several solutions out there, but I do not know of one that works the way I want. I want to make a multi-boot USB drive where I simply place my ISOs on it and chainload into them. I don't ...
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2answers
31 views

Usb 3.0 > 2.0 flash drive transfer speed

While writing from usb 3.0 to a usb 2.0 flash drive is the transfer speed choked down to the max capacity of the 2.0 flash drive?
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22 views

When I reboot going from Linux to Windows, the USB keyboard and mouse don't work

When I'm on Linux and I reboot the machine and choose to boot on Windows 7, the keyboard and mouse are turned off, like they aren't receiving power. After another reboot they work fine (unplugging and ...
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40 views

What's the advantages of usb 3.0 compliant thumbdrive that doesn't have USB 3.0 speed performance?

I just learned that there are USB 3.0 compliant thumbdrives in the market that only support up to the maximum speed of USB 2.0 (nothing to do with using USB 3.0 device on USB 2.0 port here) and they ...
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1answer
34 views

Why doesn't USB 2 speed ever hit the maximum 48MBps?

What is the limiting factor in USB 2 connections? The interface is 480Mbps, which equates to 48MB/s after 8b/10b encoding. I have all sorts of disks and memory cards which can do well over 100MB/s, ...
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0answers
23 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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2answers
68 views

Can a Type A to Type A USB Cable Really be USB 2.0 Only?

I've been looking at USB extension cables recently (type A male to type A female), however I've been surprised by the number of cables describing themselves as USB 2.0 or even USB 2.0 only. However, ...
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1answer
68 views

Trust bluetooth 3.0 USB adapter on Linux

I bought Trust bluetooth 3.0 USB adapter. It works on my windows PC, but I'm not able to use it on my Ubuntu machine. lsusb shows me this device Bus 001 Device 005: ID 0cf3:3002 Atheros ...
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23 views

Monitoring ports transfer (USB, Parallel)

I do not have enough information about ports, i want to know is there any way to monitor data transferring by ports (usb or parallel)? Somehow find out what are they transferring, or even capture ...
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1answer
539 views

Software to read a usb byte by byte

Is there any software which can be used to read content of usb byte by byte ? I am using ubuntu 13.10. I am doing this for checksum purpose. I need to calculate checksum of first 950 MB, usb is of ...
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37 views

Multiple left mouse click causes Windows 7 OS to hang

I've this strange problem for sometime on my Fujitsu Windows 7 laptop 64 bit. If I left double click my USB mouse too many times or too rapidly (I'm not sure which), my OS will hang completely, the ...
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1answer
60 views

usb multicardreader detected, but device not shown/available, Ubuntu 12.04

I have problems with my usb cardreader in Linux Ubuntu 12.04 . I think the device is detected by the operating system, but not shown in category devices and therefore not available. I have checked ...
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21 views

How To Hear From USB Microphone To Monitor Speakers In Windows XP

I have an Audio Technica ATR2100-USB device, and I want to hear myself through my speakers. But every time I plug the device in, the microphone sound won't go through. The only way I can hear myself ...
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1answer
50 views

How to uninstall all USB Hubs if keyboard and Mouse are running via USB?

I managed to uninstall like one and then both keyboard and mouse dies and then I have to manually restart. I need to uninstall all USB Hubs and Roots to see if reinstalling it will fix USB error I get ...
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2answers
34 views

usb flash no longer bootable?

Hi I have a sandisk 16gb titanium cruzer, a bit dated but its worked like a charm for years. I partitioned it years ago to get rid of the U3 stuff as it just annoyed me and I have for a long time used ...
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23 views

Multiboot USB using two different software

I have a 64GB USB drive and I would like to know if there is a program that would combine the programs called xboot and WinNTSetupFromUSB on the same flash drive? I would have a flash drive I could ...
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1answer
26 views

G-Drive Mobile external disk drive - should I use Firewire or USB 3.0?

I have a G-Technology G-Drive mobile 1TB with the option of either connecting via USB 3.0 or Firewire 800, which is the better choice for connecting with my MacBook Pro Early-2011? (In terms of speed ...
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42 views

Cannot access USB flash drive

I cannot access the Sandisk USB I insert into my laptop's USB port. It was working fine just yesterday, but now it's not showing up in My Computer. It shows up in Devices and Printers, but there is ...
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34 views

What would cause a USB bus under current and how could it be corrected?

I have a new motherboard that is exhibiting a strange issue with the USB (2.0 only) bus. I am having some of my devices losing power and led lights start flicker when I am playing games and other ...
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1answer
40 views

Why are USB connectors different from RJ45/Ethernet connectors?

I note that USB cable and Ethernet cable (RJ45/Cat5/...) have the same function : to transmit data as fast as possible over a wire or a port that we can connect and disconnect. In their evolution they ...
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16 views

Can I receive “terminal” output through USB?

I've acquired my first SoC hardware, the only direct connectors being 2 USB ports and 1 DB-9 port. I know that the latter type has been used for a long time as a terminal connector, enabling direct ...
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16 views

Using a Nexus tablet to view files off an external HDD on TV

Can I use a USB hub to connect the Nexus, the HDD and the TV as well as the mains supply for the Nexus. It would go: HDD-HUB via mircro USB cable Nexus to HUB via Micro USB cable Mains to Hub via ...
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30 views

Unable to find PCIe wifi card using PCIie - usb - cPCI adapter

I have a PCIe wifi card connected via a PCIe-cPCI adapter. Reading lspci output, it seems that the card is not connected at all, and I really cannot figure out where the problem is. Plus, I do not ...
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2answers
160 views

Two exact same USB flash drives(sticks) not exactly the same

I just bought two 8 GB USB flash drives, SanDisk Cruzer Fit (http://www.sandisk.com/products/usb/drives/cruzer-fit/), they are exactly the same. Since I planned using them as Mac OS X install drives, ...
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50 views

2 USB device questions

Let me start by giving sys-info: EDITED for corrections... I have a 128gig SSD drive (ATA Plextor PX-128M5 SCSI Disk) and two 1TB drives (ATA ST1000LM024 HN-M SCSI Disks) CPU: Intel(R) Core(TM) ...
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1answer
53 views

Can I recover my files without software?

I used a PC with Windows 7 to move files from an external HDD to an USB flash drive, which I no longer possess. I've since used the external HDD. How do I restore these files? The files were moved by ...
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17 views

Can I point Windows Device Manager to a folder on a flash drive containing a Driver Pack?

I was thinking I could just download the big 4.4GB Driver Pack (from their website), and keep it on a flash drive, and whenever I need to update drivers, I'll just point the Device Manager to the ...
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1answer
31 views

Assign USB drive the letter “A:” in windows XP mode (on windows 7)

Is it possible to assign the drive letter "A:" to a USB pendrive? I've tried it using the SUBST-command, mapping a network drive and via the diskmanagement console. But none of them seem to accept A: ...
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30 views

Determine how many physical/hardware USB host controllers I have

Out of simple curiosity, I'm trying to determine how many hardware USB host controllers my machine has. lsub lists seven root hubs, and lspci -v and lshw both list seven host controllers. I'm ...
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1answer
83 views

Using Raspberry Pi as I/O for webcams

I'm working on a project where a Raspberry Pi is being used as an I/O board for multiple servos, which are actually controlled by another computer, connected to the RPi via ethernet. I need to add 2 ...
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34 views

Can't mount xperia device on Windows 8

I am using windows 8 Pro and running cyanogenmod 11 on an Xperia U. I wanted to mount it on to my laptop so that I can browse through the files. So I connected my phone in MTP mode and enabled USB ...
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1answer
23 views

Run programs from windows installation disk on usb

Is it possible to install a windows 7 iso to a usb with the linux program WinUsb , and put a program like a game or something also on that USB? Ok, I know that is possible, so I guess what I am ...
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32 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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1answer
91 views

Making a bootable USB for Windows

I can't make a bootable USB for a Windows distribution (XP, 7 8) with a iso image from Linux terminal. I tries with dd but it worked only for Linux distributions. I also tried to make the flash drive ...
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23 views

Windows 7 64 Yamaha USB digital piano driver

I am having a windows 7 install problem. I have a Yamaha MOX keyboard which has a driver/software control panel. I was having a problem with with my computer recognizing the device so i deleted the ...
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1answer
53 views

USB-Stick Detected as 2 Devices

When I plug in my USB Stick, Ubuntu detects 2 devices. One device containing a few Mebibytes and another one containing the rest of the storage. This is rather annoying, because when I plugin in my ...
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35 views

Observing Output Current/Voltage from USB Port

I am working on a project where i am required to observe the current draw from a circuit. In a lab, I have access to power supply/multimeter and can easily check how much current is being drawn from ...
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1answer
32 views

Using USB to HDMI to extend screen

So I have a Lenovo Yoga with 1 HDMI port and 2 USB ports (1x3.0 and 1x2.0). I found this hdmi to usb adapter on amazon and I'm wondering the following: if I have 3 monitors can I connect 1 via direct ...
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34 views

mouse won't connect properly

This is maybe a question from a lower than average level, but I figured this place was the best chance of getting an solution to my little problem... I've bought a Sharkoon Fireglider mouse with 7 ...
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41 views

How to make USB passthrough of device with semi-installed drivers on Windows 7 host to XP guest possible?

I have set up a Windows XP guest on a Windows 7 host. After installing, I upgraded the Windows XP to Service Pack 2. The VirtualBox on the host is version 4.2.22 without extensions. I am trying to ...
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1answer
62 views

USB Keyboard stopped working, but only in Windows - drivers?

When I plug in my USB Keyboard (Microsoft Comfort Curve 2000), an "Unknown device" shows up in Device Manager: click to see the screenshot Occassionaly the keyboard is showed correctly as "Comfort ...
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1answer
36 views

Reset a single USB port

I have some USB devices, that sometimes need to be physically removed and plugged back in. They are mostly USB mobile broadband devices. For some cases I only have to unplug the device and put it back ...
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1answer
156 views

Boot ISO from HDD from UEFI?

I have a Windows 8 To Go Entreprise HDD, which boots both on BIOS and UEFI systems (I'm wondering how that's done, because I need that too). Now, I see the HDD I use for that windows is an MBR HDD, ...
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2answers
121 views

Communicating with the LPT port through USB adapter

I have a proprietary hardware which accepts input on the parallel port. The problem is the PC which needs to communicate with the hardware doesn't have a parallel port and I can't change it's ...
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0answers
105 views

Do hard disk drives turn on 512e (512byte emulation of 4k sectors) as-needed depending on host controller?

I have a 4 TB hard disk that has 4k physical sector size (Advanced Format) and I attached it to two SATA host controllers (one internal and one in a USB enclosure). On the (older, about 2010) it comes ...