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

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Why my USB mouse gets suspended after 3 seconds of inactivity?

Mouse's bottom LED goes off after 3 seconds after connection and cursor movements and wheel stops. Pressing any button, reconnecting or resetting USB device resumes it for another 3 seconds (when ...
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votes
9answers
19k views

What's the maximum size Windows 7 allows for ReadyBoost?

I read somewhere the Windows 7 had removed the limit on ReadyBoost from 4GB and now allows an unlimited number of GBs. I would like to reconfirm this as a fact. At present, my Windows 7 RC 7100 ...
7
votes
2answers
25k views

Converting Firewire to USB 3 - is it theoretically possible?

I am in the process of buying a new laptop for video capture / editing, and it's proving difficult to find one at a decent price / spec that includes Expresscard for Firewire connectivity (which I ...
7
votes
4answers
19k views

iPhone tethering via USB not working

I can't get USB tethering to work. My setup: iMac with Mac OS 10.6.2 iPhone 3G, Sofware version 3.1.2 (Build 7D11) The phone shows up in iTunes and syncing works as it should. I went to System ...
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votes
7answers
34k views

“Need to format the USB Flash drive” message… can the data be recovered

I have a USB flash drive, that when plugged into any machine (XP, Vista or Windows 7) the following message is displayed: Indeed looking at the drive in Disk Managment the file system is recognized ...
7
votes
4answers
31k views

USB Ports Not Working

None of the USB ports work anymore on my HP EliteBook 2540p laptop which is running Windows 7 Pro SP1. By "not working," I mean if I try plugging in a thumbdrive or external HDD it does nothing ...
7
votes
3answers
8k views

Script in udev rule doesn’t run

I'm running Ubuntu 9.10 (Karmic Koala) on a laptop and would like NumLock to automatically toggle depending on whether my USB keyboard is plugged in (numlock on) or unplugged (numlock off). To ...
7
votes
1answer
13k views

Is there a way to make Windows 7 install .iso onto USB drive from OSX?

I copied my windows 7 cd to a ISO and trying to source the image onto my USB drive from OSX. So far it doesn't seem like it's possible with disk utility. Is there something else I can do to make this ...
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5answers
12k views

How to automount an Android phone as USB mass storage?

When connecting my Android device to a PC, it prompts to mount it as USB mass storage. Is there a way to force it to auto-mount?
7
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4answers
96k views

How to format/repair a write-protected USB drive with I/O errors?

I ordered a bunch of 1GB usb drives from a semi-shady Chinese company. Most of them work just fine, but a couple of them won't let me format them because they are "write-protected." There is no write ...
7
votes
2answers
1k views

How can I use target mode in Linux with USB?

Kernel 3.5 introduces: This release includes a driver for using an IEEE-1394 connection as a SCSI transport. This enables to expose SCSI devices to other nodes on the Firewire bus, for example ...
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2answers
2k views

MacBook Pro USB port provides more current in Mac OS X than in Windows

I have a MacBook Pro with both Mac OS X Lion and Windows (under BootCamp) installed. While in Windows, I tried to charge my iPad 3 via the USB port. The iPad says "Not charging", but really, it does, ...
7
votes
3answers
2k views

Laptop wakes up when I unplug/power off any usb devices

I am wondering if there is a way to change this functonality in windows - everytime an external usb device powers off or if I unplug it, my laptop wakes up from sleep, which is really annoying. This ...
7
votes
3answers
3k views

Disable unsafe USB removal warning on OS X

Is there any way to remove the warning message that pops up on Mac OS X when you remove a USB device without ejecting it properly first?
7
votes
1answer
1k views

Linux acting as USB device

I am working on an embedded Linux platform and I have need to transfer data between the platform and a PC. The embedded Linux has a usb device port (like a printer), so this is the means by which ...
7
votes
5answers
9k views

Make a USB drive read only

I have a 1.5TB USB drive with many important files that I want to give to a friend (they have Windows7) for reading only purposes. thumbscrew appears to flip a registry switch but it seems to be on ...
7
votes
1answer
3k views

What is and how to increase the maximum number of usb devices?

I'm wondering what is the maximum number of USB devices the Linux kernel can manage? Does this depend on the root-Hub or something else, too? Is there a way to increase this maximum number? I need ...
7
votes
2answers
3k views

How to know which USB port is 2.0?

My computer (running Windows XP) has 4 USB ports at the back. From the Device Manager window, I know that one of them is 2.0, and the rest are all 1.0. I have a webcam that I think will benefit from ...
7
votes
2answers
5k views

How can I login to Ubuntu using a USB serial port?

How can enable remote terminal login into Ubuntu 9.10 using a USB serial port? I created device /dev/ttyUSB0 and i want to allow logins using Hyper-Terminal. I found some resources but they are ...
7
votes
2answers
2k views

Fake USB connectivity for a virtual machine?

I am trying to install the network software for a HP printer inside a virtual machine that's running Windows XP Professional that has no USB connectivity - it doesn't even have USB drivers present. ...
7
votes
4answers
2k views

Multi-partition USB stick

In my freelance job as "the dude that fixes your computer" I have an extremely handy tool, a bootable USB stick with Ubuntu LiveCD that allows me to recover and investigate in a known, working ...
7
votes
2answers
4k views

How to restart audio without rebooting (USB soundcard) - the nasty case

I have a very similar problem to this: Is there a way to restart audio without restarting windows 7 computer? I've got a USB external sound card (Line6 UX1, the older one), the OS is Windows 7 x64. ...
7
votes
1answer
9k views

Detect and mount external usb drive - Linux (Debian)

I have a 3TB USB 3.0 External HDD (Seagate) that I would like my Debian machine to pick up on boot so that I can use rsync to backup to it using cron. If i unplug the drive and plug it back in then ...
7
votes
1answer
2k views

How to install OSX into VirtualBox on a Macbook Air using Apple's Reinstall USB

I'm currently dual-booting OSX and Ubuntu on my Macbook Air, but it'd be nice to run OSX within Ubuntu via VirtualBox. This seems possible using VirtualBox and is legal - there's even a post on an ...
7
votes
1answer
1k views

Windows 7 USB stick and (late 2010) Macbook Air

If you install Windows 7 into the Boot Camp partition from a USB drive, it will apparently become impossible to boot from that USB drive on that Mac again. I'm trying to find out why. This is the ...
7
votes
1answer
2k views

Verizon USB551L 4G Stick on Linux

I have been trying to get a Verizon USB551L 4G USB Stick working on Debian Linux. I have been able to get it to connect, but it always disconnects after 10 secs to 2.5 minutes, then it cannot connect ...
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votes
6answers
14k views

Flavor of Linux which is ONLY command line (and super light-weight)? [closed]

I'm looking to install an extremely light-weight flavour of linux on a USB stick. It also needs to be basically only CLI. Has anyone ever looked for something like this? Ever found something good?
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votes
3answers
3k views

Can I use my wireless keyboard receiver to connect to Internet via my Wi-Fi router?

I have a desktop computer with Windows 7 and I recently purchased a Logitech wireless keyboard that has an "Unifying" transceiver. Can I use it to get Internet on my desktop by connecting to my home ...
6
votes
3answers
29k views

Making a bootable OSX USB from dmg on Linux

I have 2 machines - a MacBook Pro and a desktop running Fedora, I have a USB drive and a OSX 10.8 dmg. The MacBook won't boot into OSX unfortunately, I'm trying to make a bootable mac usb to recover ...
6
votes
2answers
2k views

What's up with this 64GB USB thumb drive appearing as two disks?

I recently purchased a 64gb usb thumb drive, but for some reason it appears as two disks on every system I've insert it in. I've tried to repartition it in Linux, Windows, and MacOS to no avail. ...
6
votes
4answers
3k views

How do I mount a USB in plain XMonad?

Now that I am using XMonad I find that my USB devices no longer automount when I plug them into my computer. How do I get them to automount again just like they did when I was using gnome?
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6answers
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How to wipe a USB hard drive

I have a USB hard drive that I'm planning on donating. Before I donate it, however, I want to be sure that it has been completely and unrecoverably wiped of personal information. Darik's ...
6
votes
6answers
36k views

How to “burn” ISO/img/cue+bin to USB drive?

I don't get it. Why is it so complicated to create a bootable usb from a disc image? Disc images have boot sectors, so why can't you just write the raw LBA values from an image directly to a USB and ...
6
votes
1answer
643 views

Replace Front USB Ports in a 2003 Alienware Case [closed]

I have this old Alienware case from around 2003 in which I have replaced parts for years: I have never replaced the front USB ports, and I would like to get USB 3. Here are pictures of the USB ...
6
votes
4answers
13k views

Is there a distinct advantage that a PS2 port has over a serial/USB port?

Silly question perhaps ... I'm told that PS2 technology dates back to the early 1990's or thereabouts. By and large, motherboard manufacturers still support PS2 technology/ports instead of providing ...
6
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2answers
5k views

Remove the write protection from a USB flash disk

My flash disk encountered an error saying that it has been write protected, so of course I can't even copy files or even format my flash drive. What happened to my flash drive to cause this? And ...
6
votes
3answers
25k views

How can one create a bootable Linux USB key that works on Mac (Intel 64 bit CPU) hardware?

I'm trying to create a bootable USB key with Linux (debian) and that can be booted on Macintel hardware. I have read that MAC's EFI can only boot GPT GUID formatted disks. I'm desperately trying to ...
6
votes
4answers
4k views

Can I copy my operating-system on an USB-stick to use it in the go?

I'm tired of configuring my system and all applications for different computers (work, home, laptop, ...). Can I copy my system on an USB-stick and boot from it? What are the pitfalls in doing so and ...
6
votes
5answers
7k views

Why would my mouse pointer be jerky when it can't get a signal from my router?

I've got a fairly new PC but when moving the mouse across the screen, the pointer jerks as if the PC is freezing momentarily every second or so. Strangely, this only seems to happen if the signal from ...
6
votes
2answers
7k views

Din5 plug adapter to USB

I have an old keyboard I'd like to use on recent devices (no PS2 port). But it's still on a 5 pin din plug. I tried to plug that in a Din-2-PS2 adapter and that in PS2-2-USB, but the keyboard was not ...
6
votes
3answers
8k views

Is there a size limit on external USB hard drives?

The internal SATA hard drives have a limit on a lot of motherboards of 2TB and if I want to get a 3TB HDD then I need to connect it using a PCI card (or get a new motherboard). But I wanted to ask: ...
6
votes
4answers
40k views

Partition table corrupted (USB flash drive)

It's an 8 GB Patriot thumb drive, which I've used extensively with lots of data. Today, it is detected, but all data is gone: (EDIT at least some data is still there, but the partition table is gone) ...
6
votes
2answers
218 views

What is this U3 that came with my new USB drive?

I just purchased a new 16GB Sandisk Cruzer USB drive, it has drive that it mounts called U3. It is windows only and I downloaded the Cruzer utilities for mac to remove them. The thing is I have no ...
6
votes
2answers
22k views

Windows 8.1 powering off USB Drives

Since upgrading to 8.1, Windows will shut down my hard drive bay connected by USB after about 10 minutes. I didn't have this issue in Windows 8 as I just went in and changed the hard drive sleep time ...
6
votes
2answers
5k views

How can I list the available video modes for a USB webcam in Linux?

I faintly recall that once upon a time, I found a command-line tool (something involving "UVC") to list the supported resolutions & modes of a USB webcam camera (e.g. PAL, 640x480) in Linux, but ...
6
votes
1answer
3k views

Virtualbox Linux host: Pass non-recognized USB device through to Windows guest

I'm running Virtualbox 4.1.2 (with the corresponding extension pack) on an up-to-date Ubuntu 11.10 host with Windows XP as a guest. I have a National Instruments USB-6251 device which I would like to ...
6
votes
3answers
2k views

Is it worth to buy an external USB SSD drive for my laptop to increase performance?

I'm a programmer, and I use Eclipse for Java development. Recently I've installed an internal (SATA) SSD drive on my home machine, transferred Eclipse installation and project to it and noticed a ...
6
votes
2answers
3k views

Why is there electricity flowing through my VGA and other ports?

I am using Windows 7 on a Sony VAIO laptop. When I connected my PC to the charger, I felt a little electric shock when I touched the VGA and other ports. I tested with a current detector and found ...
6
votes
1answer
11k views

Missing “eject” option on USB drives on Windows 7?

I have noticed that Windows 7 is not giving me the option to right-click and "eject" my new USB external hard drives. I still can safely remove them by clicking on the corresponding icon on the icon ...
6
votes
1answer
9k views

Microsoft USB Wire Color Code

My wireless keyboard's USB connector wire came off, so I'm trying to splice a new connector and wire with the existing wire. The only problem is that Microsoft didn't follow the normal ...