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

learn more… | top users | synonyms

2
votes
2answers
9k views

I want to use a USB stick as a harddrive - hardware questions

I installed the latest Ubuntu OS on a USB stick and I'm having some (expected?) lags. Updating packages takes hours, but I can live with that. But the general response time is pretty bad. For instance ...
1
vote
2answers
4k views

Low power warning using USB ports on an external keyboard on MacBook Pro

I have a Logitech keyboard which has two USB ports. I am using the keyboard with a MacBook Pro 15" (late 2011). When I try to use the USB ports on the keyboard (say I plug in my iPhone), I get this ...
5
votes
2answers
2k views

Wireshark: Accessing USB Bus Interfaces without sudo

I am trying to monitor some USB traffic using Wireshark on Linux (Ubuntu). If I start Wireshark as my normal user without root privileges, the USB bus interfaces are not listed. If I sudo wireshark ...
0
votes
1answer
933 views

Wireless USB keyboard and mouse can wake system, but then receiver is inactive

I have a Microsoft brand USB device that acts as a receiver for a wireless Microsoft Keyboard and a wireless Mouse. When it's operating normally, there are LEDs on the device indicating Caps Lock, Num ...
3
votes
2answers
1k views

How can I reinstall my AMD 880g/sb850 usb driver?

I have the Asus M4A88TD-M Evo motherboard with the AMD 880g/sb850 chipset and I wanted to use AHCI mode. I activated it in the BIOS and made a change to the Windows 7 registry and I got it working. I ...
1
vote
1answer
192 views

Installed Lion via SATA - USB, not recognized when plugged internally

Hoping to get some help on this. I'm running Lion 10.7 on a Macbook unibody A1278 - I want to upgrade my 250GB HDD to a 1TB. I plugged in the 1TB using SATA-USB cables, formatted it and installed ...
5
votes
1answer
7k views

Can a USB 2.0 cable support USB 3.0 charging?

I have some USB 3.0 ports on my motherboard which can deliver up to 900 mA of current I believe. If I plug in a USB 2.0 cable, I can still get up to 900 mA right? I have some devices that uses USB ...
2
votes
2answers
1k views

How do I prevent USB flash drive from getting a new Linux device name after wake from sleep?

I'm booting Linux from a USB flash drive on my laptop. Everything runs fine until I put the laptop to sleep. When it wakes up, suddenly the USB flash drive gets a different device name, and ...
1
vote
1answer
288 views

USB stick (HP V210W 16GB) mounts on MBP 13“ running OS X 10.5.8, but not on MBP 13” running 10.6.8

My brother bought a HP V210W 16GB usb stick. It wasn't recognized by his MBP 13" (2011, 2.7GHz i7, 4GB 1333MHz DDR3) running OS X 10.6.8. He then tried the stick on his Win7 PC which recognized it ...
2
votes
1answer
300 views

Should I pick USB 2, USB 3, or eSata for connecting my computer to a hard drive for watching movies/playing games? [closed]

I'm planning to buy a Drobo device (a RAID array that acts as an external hard drive), and I need to know which port configuration is sufficient for my needs. If I'm planning to use it to store and ...
1
vote
1answer
2k views

BSOD in USB-Wifi Driver - rtwlanu.sys - System Thread Exception not Handled

The driver is from an USB-Wifi. I've been getting a BSOD in Windows 8 saying "System Thread Exception not Handled". So i've read this ...
2
votes
2answers
922 views

Running USB cable lengths of 30 feet

I have a USB mic and would like to record from in a padded closet roughly 30 feet away from the computer. I read that buying a 30ft cable will not work, but is there anyway around this? According ...
0
votes
1answer
396 views

Router connection on usb to ethernet adapter

I have a router that is connected via USB, as the USB drivers are the only ones I can find online. I was going to setup a little network with a switch and probably a WAP as well. The only problem is ...
1
vote
0answers
327 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 ...
2
votes
2answers
944 views

How to make your ubuntu filesystem read-only

I wonder whether there is a way to make my ubuntu read-only when I mount it on another linux system. Let me clear what I want. I have a usb stick on where my ubuntu is installed. However, the problem ...
1
vote
0answers
349 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 ...
2
votes
1answer
285 views

Is it possible to recover my files on a damaged portable USB hard drive?

My son accidentally bump my laptop and the portable HDD fell to the floor while I'm transferring files. How can I get my data back?
12
votes
1answer
905 views

Assigning USB hub to specific seat in multiseat configuration

On my debian-based machine, I have a working multiseat configuration. One annoying detail that so far I couldn't fix is that any USB hardware I connect is always assigned to the primary seat. ...
4
votes
3answers
2k views

Forgot passphrase for encrypted USB drive

I accidentally set a passphrase on my USB drive using Ubuntu Disk Utility and I don't remember it. I tried formatting the USB drive, but it doesn't allow it. I've tried to do it in both Ubuntu and ...
4
votes
2answers
4k views

Netbook will not boot from Windows 8 install USB stick

I have an ASUS EEE 1000HE netbook that I am attempting to install the Win 8 release preview on. I have prepared a bootable USB memory stick (4Gb) using the "Windows 7 USB/DVD Download Tool" per ...
0
votes
1answer
103 views

USB keyboard works in windows but not in games

I have a problem with a new PC i just built. It has 6 USB3 ports on the rear, and no USB2 ports. When I plug my Logitech G15 v2 in the rear USB3 ports it works fine in both BIOS and windows - ...
0
votes
1answer
563 views

accessing webserver on desktop PC through wifi dongle from a tablet

I am running windows 7 on my desktop PC and have installed tomcat webserver. I'm able to bring up the default homepage using http://:8080 (or, http://:8080) on the desktop browser. I have a D-Link ...
3
votes
2answers
11k views

USB 3.0 slower than SATA for SSD

I have a Kingston V200 256GB SSD. When connected to my SATA 6.0gbps port on my motherboard I'm seeing sequential read speeds of 300 megabytes / second. When I put the drive into a sata to USB 3.0 ...
1
vote
1answer
192 views

Data Integrity with Desktop External HDD connected to daisy chained Dell Monitor USB hub

I have two Dell U2412M monitors, both of which have USB hubs built into them. I have one of those hubs connected to my MacBook Pro directly, and that hub has a webcam plugged into it. I want to ...
10
votes
6answers
37k views

Can I safely connect the power-only-end of a USB-Y cable to an other power source?

If the host computer for an USB device doesn't provide enough power for a device which has no dedicated power port, can I connect the power-only-plug of a Y-USB-cable to an other computer, an ...
3
votes
1answer
696 views

What chipset does this device have? [closed]

I have a Freecom DVB-T Art No: 25452 I know the revision 4 of this device runs a Realtek chipset, but I think this one has a different one but a Google search gives me conflicting information Its ...
1
vote
1answer
455 views

How can I detect what is blocking some certain keyboard keys?

After a while (about half an hour) booting up my system, some of my keyboard keys become unresponsive. Their respective Shift+, Ctrl+ and Alt+ combinations are also unresponsive. Pressing these keys ...
5
votes
2answers
7k views

Is it possible to create bootable USB from “any” bootable ISO [duplicate]

Possible Duplicate: How do I place a bootable ISO on a USB drive? I know its possible for Windows or most other OS. But I am talking about general purpose utility software. I have an ...
0
votes
1answer
600 views

New marketing flash drives have used space, but no files are found

My company bought a bunch of flash drives, 500 1 GB drives, to be loaded with marketing materials and given out at a trade show. While testing the loading of the drives I noticed that some of them ...
1
vote
1answer
2k views

Installed Delock PCI Express Card now nusb3mon.exe block 1 cpu core

I installed a PCI USB 3.0 card and now one out of four cpu's keeps up running nusb3mon.exe. Meaning that I have a CPU load of 25% all the time. Did anyone have the same problem before? ...
1
vote
1answer
804 views

Win 7 Laptop Driver for USB A plug to act like a charger

Is there a USB Windows 7 driver that outputs a voltage between Pin 1 and 4 of 5 V? Just like a Charger. Others pins should be open/disconnected. My notebook is a Lenovo X220.
0
votes
1answer
2k views

Is an external USB3 disk really almost as fast as an internal SATA disk?

According to the specs of USB3 its max speed is 5Gbit/s and SATA is max 6Gbit/s. Can it really be correct that SATA is only 20% faster than an external USB3 disk? Or are there some latencies that ...
4
votes
1answer
218 views

USB connections to Arduino

In a class programming Arduinos from Windows 7 boxes, we have noticed that it is advantageous to plug in the same board, because each new board is recognized as a new COM port. If this happens too ...
1
vote
1answer
4k views

Bootable USB Windows 7 installation not working

I am trying to create a bootable USB drive to install Windows 7 from USB drive but it is not working. I've set USB as primary boot device but nothing happens. The steps I followed to make it bootable ...
0
votes
1answer
169 views

I lost my windows 7 CD and my hard drive was cleared. What should I do? [duplicate]

Related Questions: Install Windows 7 from USB flash drive How can I reinstall Windows 7 if I lost my installation DVD? I'm trying to boot from an old Vista disk but I'm not getting ...
2
votes
2answers
2k views

Blocking flash drives and SD cards with a password?

I'm trying to set up a Windows 7 laptop such that you must enter a password to access any flash drive, SD card, or other USB media, no matter its format or encryption (if any). However, I should ...
0
votes
1answer
88 views

Acer Nettop usb controllers

I am currently looking for a small form factor computer that can provide 3 separate USB busses/controllers. The Acer Revo and Veriton models both provide 6 USB ports, but I have no clue if ...
2
votes
1answer
593 views

Is there an instrument or software that can measure the ACTUAL maximum power available to a USB port?

I use a non-self-powered USB modem device for a solutions I provide to multiple customers, and very often I encounter a problem in which the devices stops working due to many reasons, one of which I ...
1
vote
1answer
1k views

How can I create a bootable USB from ISO on Windows 7? [duplicate]

Possible Duplicate: How do I place a bootable ISO on a USB drive? Is there a built in Windows 7 feature to "burn" an ISO to a USB-Stick USB-hard-drive? Or are there any advisable tools for ...
1
vote
1answer
12k views

How do I login to my iMac without keyboard and mouse?

I have turned off the bluetooth in my iMac and disabled the USB ports too. Now i am unable to login to my iMac because the keyboard and mouse are not detected. Bluetooth is switched off. USB is ...
2
votes
3answers
410 views

Put Google Chrome, AVG on a flash drive

I often install programs on others' computers such as LibreOffice, which, when they only have a dial-up connection, takes forever to download. So instead I keep it on a flash drive and install it from ...
0
votes
1answer
422 views

Change Drobo directory permissions

I have a Drobo unit that is connected via fire-wire to a Dell notebook. Using Ubuntu 12.04. I can not seem to change the permissions to allow all users to have read/write access to the drives. The ...
3
votes
1answer
2k views

Connect ps/2->usb keyboard to linux?

I have a lovely ancient ergonomic keyboard (no name SK - 6000) connected via a DIN->ps/2 adapter to a ps/2->usb adapter to my docking station. After Grub it stops working. It takes either suspending ...
2
votes
0answers
114 views

Low level table creation on a USB memory stick

I have been scammed by a USB stick supplier. The file table is incorrectly set up to show the size you think you purchased. When you try to write to the device, it seems to work as the directory shows ...
1
vote
4answers
9k views

How can I pair two bluetooth dongles together?

I want to hack a device which connects via USB, and plug a bluetooth USB dongle to the end of the USB cable (using a female to female adapter), and then connect to that device from another USB ...
0
votes
2answers
138 views

Turn 2 USB type A ports (receptacles) into an extension cable with 2 type A receptacles using Linux?

I'm currently trying to connect 2 USB devices together, but both ends are type A plugs. Before I buy a physical extension cords with 2 type A receptacles, I'd like to know if I can connect these 2 ...
1
vote
1answer
493 views

USB-keyboard & mouse powered off in windows-7

I have a problem with a pc where usb devices are not getting any power as soon as windows starts up (it works in preboot). This pc has no ps/2, so there is no chance for input, also not in secure boot ...
2
votes
1answer
921 views

How to run Ubuntu OS in Windows off USB Disk without rebooting or installing on PC

Please help me install Ubuntu OS latest build (12.04) on a Kingston Data Traveler USB 8 GB (FAT32) without having to restart and boot from the USB drive. I want Ubuntu to load & run inside Win ...
1
vote
1answer
195 views

Internal 19-USB 3.0 to normal USB-3.0a

I have the following problem. I have a new computer chassis, which has a front panel USB 3.0 with an internal connector, but my Asus M4GDP89 Pro/USB3 has only two back USB 3.0. Is there a way to ...
2
votes
2answers
371 views

Soldering 2 usb cables into a single micro usb

Sorry if this in the wrong place, but I'm not sure where else to post, and I'm not sure where to look, either. Basically, I want to solder 2 female USB-A ports to a single micro USB-B plug, so that 2 ...