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

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118
votes
14answers
223k views

How do I place a bootable ISO on a USB drive?

What's the best way of placing a bootable ISO on a USB drive? ISOs such as a live Linux preview disk, Windows installation ISO, etc.
92
votes
9answers
6k views

What is the rationale behind safely removing USB media from windows PCs? [duplicate]

Quite often when I'm in a rush, I automatically pull out a USB pendrive or USB cable from an external hard drive from my desktop PC or laptop, without right-clicking on the safely remove icon in the ...
89
votes
1answer
11k views

I accidentally plugged my USB mouse into my eSata port… it works?

I'm on a Thinkpad T510 and I accidentally plugged my Razor USB mouse into the eSata port not realizing my error because it has been working fine this whole time. Does this seem a little odd?
71
votes
7answers
9k views

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 ...
63
votes
14answers
148k views

How do I figure out which /dev is a USB flash drive?

I want to mount a USB drive, two of them and I need two different mount points. Unfortunately, the Linux kernel underwent a name change and I can't figure out which /dev location is the right one. Is ...
57
votes
7answers
7k views

Does a computer use more electricity when charging USB devices?

Something I've always wondered. If I constantly hook up cellphones, hard drives and the like via USB to my computer, will it eat up more on the electricity bill? Or are the USB ports using up ...
49
votes
7answers
69k views

Install Windows 7 from USB flash drive

I have an ISO image of the Windows 7 installation DVD, but I can't burn it to CD or DVD. I have an empty flash drive with plenty of space. Is there any way I can put the ISO image on it and install ...
44
votes
5answers
15k views

Using UDF on a USB flash drive

After failing to copy a file bigger than 4G to my 8G USB flash drive, I formatted it as ext3. While this is working fine for me so far, it will cause problems if I want to use it to copy files to ...
40
votes
10answers
6k views

Should I unmount a USB drive before unplugging it?

When you unplug an USB drive without unmounting, your OS warns you about how dreadful could be such operation for your devices (I'm on OSX). I usually follow the advice, unmounting before unplugging, ...
35
votes
5answers
8k views

Using USB 3.0 to speed up transfer between USB 2.0 devices?

I've noticed that transfers between USB 2.0 drives are usually very slow. From what I understand, this is because all USB 2.0 devices connected to the same USB 2.0-host share the same 480Mb/s of ...
31
votes
3answers
26k views

How do you check how much power a USB port can deliver?

Some laptops have a special USB port that can deliver more power than the other ones. However it is not always easy to identify which one is the good one, nor how much power it can deliver. So is ...
31
votes
12answers
38k views

Are USB headphones/headsets inferior to regular ones?

Some headsets use an USB connection instead of connecting to the motherboard's regular audio output jack. Does that make them inferior in any way to other headsets? What about USB 2.0? I'm looking for ...
29
votes
5answers
2k views

Why does an 8 GB and 16 GB USB drive have the same physical size but a different amount of storage? [closed]

In the market, you can get USB drives of different storage sizes. However, among the same brand, I found that those USB drives are physically the same. How can they achieve this? Is it that different ...
28
votes
7answers
154k views

Why is my USB mouse disconnecting and reconnecting randomly and often?

My mouse will reconnect/disconnect (will even hear the sounds from Windows), and the light on the bottom of the mouse will turn off/turn on as it starts working again. It really sucks to be playing a ...
28
votes
4answers
23k views

USB-Sticks and multiple Partitions

I've got an USB-Stick with multiple Partitions on it (FAT32 (active), FAT32, Ext2 but that's another story) and it seems like that my Windows XP can only mount the first partition of the stick. If I ...
27
votes
5answers
5k views

The Flight I am taking has USB ports for power… how can I use it to charge my laptop? [duplicate]

Possible Duplicate: Charge a laptop via USB power (500mA)? I will fly to China in the next month which will take a mammoth 18 hour flight. The plane has USB power source on it. I know USB ...
27
votes
12answers
139k views

If USB is not listed in BIOS as a boot option, does that mean the machine can't boot from USB?

I just purchased an Asus Zenbook Prime UX31A-DH51 with Windows 8. I want to wipe the drive and do a clean install but USB is not listed as a boot option in the BIOS. Does this mean it is not possible? ...
26
votes
2answers
7k views

Why does my computer go “New USB device” every time I plug one into a different port?

Let's say I have a mouse. I plug this mouse into slot 1 out of 4 on a computer. It goes through the new device detected and all of that, which is fine. But if I come back later with the same mouse and ...
26
votes
3answers
23k views

What does “Legacy USB Mouse” support in a BIOS mean?

What does a "Legacy USB Mouse" option in a BIOS mean? Yes legacy usually means older revision, or obsolete. So legacy usb mouse means support for "old style usb mouses". That's not really ...
26
votes
4answers
17k views

Installing Windows XP from USB pen drive

I want to install Windows XP on my desktop computer (only XP) but my CD drive is not working. I've only found installation tutorials on how to install it on the pen drive rather than from the pen ...
25
votes
8answers
128k views

How to find out which USB port is USB 3.0?

In my laptop (a Lenovo y470 ) there are three USB ports. One of those is USB 3.0 others are USB 2.0 . I do not know which one is what. When I copy data from my External HDD it transfers at 38MB/s from ...
25
votes
3answers
20k views

How can I keep multiple live/bootable ISO images on a single USB drive?

I am looking to create a USB flash drive that I can put multiple live CD ISO images on and select which boots from startup. The ideal candidate supports Linux and Windows-based ISO images, and is ...
24
votes
8answers
8k views

Booting Linux off USB pendrives

Booting a Linux system off USB Pendrives is one of my favorite things. On a laptop we have the following advantages, The Harddisk can be shutdown and that reduces power consumption (hdparm) The ...
22
votes
2answers
2k views

Why must I install drivers BEFORE plugging in a new peripheral?

I've always found this to be curious about installation instructions for computer peripherals; most commonly, installation of USB hardware in Windows XP. Installation instructions typically insist ...
22
votes
5answers
175k views

How do I burn an ISO image to a USB flash drive? [duplicate]

Possible Duplicate: Place a bootable ISO on a USB drive? What is the best way to burn an ISO image onto a USB flash drive?
22
votes
4answers
68k views

Why can't I delete all partitions on a flash drive in Windows 7?

Recently I purchased an ADATA C802 8GB flash drive. Since the drive was new I decided to run some of the HD Tune Pro (v4.50) performance tests on it, mostly just for the heck of it. To avoid ...
22
votes
3answers
31k views

Is there a USB wall charger that “just works” with every device?

Background Almost every gadget today is charged over USB. It seems like a good idea since everyone has a computer with USB, but fumbling behind a computer and making sure that computer is on and does ...
22
votes
3answers
50k views

Flipping the Removable Media bit — alternatives to BootIt?

There's a utility called the Lexar BootIt utility that flips the Removable Media Bit on certain USB flash drives. I want to flip the bit on my USB flash drive (it's supported) but really am not too ...
21
votes
6answers
2k views

How can I test if a USB thumb drive is fake?

I bought a 256GB USB stick for only $5 on eBay. I know: What could possible overwrite your sense of "hey wait a minute" as a technology person would make you think you could buy a 256GB flash ...
21
votes
3answers
4k views

Dedicated Mouse and Keyboard on VirtualBox VM

Currently I am trying to run VirtualBox on my second monitor, with a dedicated mouse and keyboard. However, doing so has not proven easy. There has been times where the mouse works, but not the ...
19
votes
5answers
181k views

How to create a bootable USB Windows OS using Mac OS X

I'm having a trouble here because of my PC infected today and I tried everything to get it back and the only option left for me now is to do a clean install. Now what happen is I have Macbook Pro ...
19
votes
7answers
51k views

Make a bootable usb to install Windows XP from Linux

I have a Dell Mini 9 with only Ubuntu installed, I want to install Windows XP also but I don't have and can't get an external CD drive, so I need to make a windows installation from the usb. All the ...
19
votes
5answers
38k views

Can I install Windows OS (Windows 7) on a removable USB hard drive?

I wanted to take a sneak peak at Windows 7 so I thought of installing it. I have Windows Vista on my laptop which came pre-installed with it. I didnt want to mess with it. So I created a partition ...
18
votes
13answers
65k views

Why does Windows 7 ask for additional drivers when installing from a USB 3.0 drive?

I just bought a new config ( ASUS p8z68-v lx, i5-2500k + ram and new graphic card ). Coming back and installing it in my old computer, I just saw that my DVD player was on IDE (yup…). So, I needed to ...
18
votes
8answers
169k views

How to boot from a USB device using an ISO image

I want to re-install Windows XP on my laptop. I have the ISO image for Windows XP. How can I boot from a USB device using simply my ISO image of Windows XP? My laptop is an IBM T42. If you are ...
18
votes
6answers
8k views

Is it possible to disable the “scan and fix” message when inserting an SD Card?

Every time I insert the SD card from my camera into the card reader, I get this dialog: Of course there is no need to scan it. Is there a way to disable it?
17
votes
11answers
68k views

How long would it take to transfer 1TB over USB 2.0?

This might be a completely stupid question because it is conceivably highly dependent on the respective disk speeds. But I am thinking that there is a speed cap that is specific to USB 2.0 that would ...
17
votes
10answers
39k views

How to safely remove a USB drive when “Windows can't stop your 'Generic volume' device because a program is still using it.”?

With Windows XP and Windows Vista, I try to remove an external USB hard drive, but usually get the message ""Windows can't stop your 'Generic volume' device because a program is still using it.". I ...
17
votes
1answer
30k views

Change default action on connecting a USB device

I've a device I connect to my windows computer (in this case it is an iPod but I don't believe that matters). Often when I first connect such devices a dialog will pop up giving a list of actions ...
17
votes
5answers
20k views

How can I remount an ejected (not just unmounted) USB drive on Mac?

I frequently eject an usb stick, and then realize I still need it. If I unmount the drive in Disk Utility, I can just remount it, but if I eject, it's gone. Not showed in Finder Not showed in ...
17
votes
4answers
3k views

Is there any difference between front and back USB ports?

I bought a flash recently, In the warranty card there was a caution saying "Always use USB ports on the back of the case" . Is there any difference between front and back ports? They are all connected ...
16
votes
5answers
5k views

Is there any benefit to plugging a USB 2.0 device into a USB 3.0 port?

I know USB 3.0 is almost entirely backward-compatible, and I know that it introduces a new speed that USB 2.0 devices aren't capable of, but is there any advantage to having a USB 2.0 device in a USB ...
16
votes
3answers
12k views

Do USB or PS/2 keyboards respond faster?

Do USB or PS/2 keyboards respond faster in terms of end-to-end input latency, keystrike to character appearing on the screen? Related: Under either connection, is the time between keystrike to ...
16
votes
2answers
9k views

Are USB unplug events logged in Windows 7? (When was my mouse stolen?)

I know this sounds kind of ridiculous, but someone stole my mouse from my cubicle.. I came to work in the morning and was about to give my mouse a little shove to wake up the monitor, but it wasn't ...
15
votes
4answers
22k views

How to speed up rsync?

I'm running rsync to sync a directory onto my external USB HDD. It's about 150 gigs of data. 50000+ files I would guess. It's running it's first sync at the moment, but its copying files at a rate of ...
15
votes
4answers
2k views

Does a USB Monitor require VGA Card?

Does a portable USB monitor require a VGA Card? For example this monitor: http://us.aoc.com/monitor_displays/e1649fwu http://us.aoc.com/monitor_displays/e2251fwu If I buy a PC without any GPU ...
15
votes
7answers
5k views

What is the best way to keep a folder synchronized with my USB drive?

I know there is a similar topic on syncing between computers, but I'm looking for an application to run on one computer that will sync a "document/file" folder with a folder on my secondary/external ...
15
votes
2answers
47k views

Maximum length of a USB Cable?

I want to use a very long USB cable to place a webcam in a different room. The maximum length that I found was five meters. What is the maximum length of a USB cable? What is the maximum length ...
15
votes
2answers
945 views

Computer architecture: Are USB keyboards less responsive due to narrow IRQ range?

Here is a statement I just thought of. Can anyone tell me whether, and why, it is true? Statement: Because USB keyboards rely on a USB generic driver and architecture that has only access to lower ...
15
votes
4answers
42k views

How can I get the mount path of a USB device on OSX?

I have a backup script that backs up some data to a USB device. The problem I have is that OSX sometimes changes the expected mount path. For example if some file is locked under the expected mount ...