Devices that use the Universal Serial Bus data interface

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12 views

Windows 7 on Virtual Box 5 not recognising USB 3

I have Virtual Box 5.0.2 on my Mac (El Capitan) running Windows 7. I also have the Virtual Box extension pack 5.0.2, which supposedly enables USB 2.0/3.0 ports, but I can't see my USB stick in Windows ...
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7 views

My Mid-2015 Macbook Pro no longer rapid charges my Nexus 6P over USB, why?

The USB3.0 ports on my mid-2015 Macbook Pro always charged my Nexus 6P "rapidly" (as reported by the phone), meaning at 2100mA+ or so. However, a couple months ago (around January/February), this ...
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9 views

FTDI USB device not removed after unplugging

I have an FTDI USB adapter for loading software onto Arduino's, but it comes with a slight problem. 90% of the time when I unplug the USB cable, the device is not removed as a USB device. It remains ...
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20 views

Turn off USB power on OS X

I have a need to turn USB power off (and on) using a script or a piece of software. Ideally it should be possible to turn each port off/on separately, but also turning power off/on from all ports at ...
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1answer
20 views

USB Drive Size Lost After Formatting on OS X El Capitan

This is strange. I formatted my 16 GB USB drive on OS X El Capitan with FAT file system and it worked fine. However, same drive on Windows 7 PC shows only 200 MB of size. Where the heck other drive ...
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2answers
33 views

Does anybody know how long installing El Capitan onto a USB 2 pendrive from another USB 2 pendrive takes on a MacBook Air?

I'm trying to resucitate a discarded 2013 11″ MacBook Air with no internal drive and hence no OS. The Apple Store Genius bar tested it and found the only problems to be the missing drive and broken ...
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0answers
10 views

USB not recognised after iTunes sync

I have a strange problem. After syncing iPhone with iTunes my Macbook Pro doesn't recognise other USB drives (I tried both USB flash drive and external HDD). After restart it works ok, until I do the ...
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24 views

iMac A1208 - Mac OS X 10.4 Install Problem

I'm a French user and I have a iMac from 2006/2007. I have changed the logic board. It's ok, but i want to do a fresh install of OS, (10.4), but the optical disk is KO. I have the official CD (but it ...
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9 views

Creating a Windows Virtual Machine in VMware Fusion from Bootable USB

I have the Windows 10 setup in a bootable USB drive. I would like to create a virtual machine from it on my Mac computer. I have already tried to create a .cdr image from the USB drive using disk ...
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9 views

How do I prevent OSX from creating a network entry when I connect a USB serial device?

I use a lot of different USB serial devices. I'm now at the point where my Network Preferences panel takes minutes to open and more minutes to change profiles. Opening ...
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1answer
20 views

Is it possible and relatively easy to boot a 2013 MacBook Air from an external drive?

Given a MacBook Air that's working but with dead display and SSD, can I use it as a desktop-only machine with an external monitor and external hard drive? The guy at the Apple Store Genius Bar this ...
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104 views

Automatic and Abnormal reboot after plugging an usb device

I have a Macbook pro (mid 2009, OSx 10.11.4). It has been already few days that I have the same problem: when I plug an Arduino into one of my two usb ports (no matter which one), the system crashes ...
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1answer
58 views

Will there be a USB-C to thunderbolt 2 adaptor? I only need data transfer to be higher then USB 3.0

Right now USB C ports are just arriving in laptops and I unfortunately dedicated to go with a cheaper laptop (pc) but with thunderbolt-2. The thing I don't like about thunderbolt 2 products is the ...
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1answer
25 views

Erase USB in Disk Utility says “Permission denied”

I'm trying to format my USB so I can get all the space back onto it, but every time I try to erase it in Disk Utility, this comes up: POSIX reports: The operation couldn’t be completed. Permission ...
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24 views

Format usb drive into ext4 and swap partitions

I have been trying to create a model of a passive WiFi tracker by following the steps given in the following link: http://edwardkeeble.com/2014/02/passive-wifi-tracking/ One of the steps requires me ...
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16 views

New USB Drive Cannot be accessed

Suddenly my PNY USB 3.0 Flash Drive has stopped working. It doesn't show up in Finder, Windows starts going crazy when I plug it in, Linux says the device could not be opened, and Disk Utility also ...
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19 views

How do I change the Hotspot timeout on my iPad Retina?

I can use my Ipad Retina (4th Gen, iOS 9.3.1) when plugged in via USB to tether the 3G connection. After it is plugged into USB, then I can see it shareable via wifi from other devices. (My Mac which ...
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1answer
27 views

How do I make my iPad Retina wifi hotspot discoverable (tethering 3G) when off and unplugged like my iPhone 6S?

I can use my Ipad Retina (4th Gen, iOS 9.3.1) when plugged in via USB to tether the 3G connection. After it is plugged into USB, then I can see it shareable via wifi from other devices. (My Mac ...
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1answer
31 views

Can I use a USB to HDMI converter to set up 2 external monitors on my 2015 Macbook Air?

Can the Macbook Air (2015 model) power a second external monitor via it's USB port (using a USB to HDMI cable)? I would also need to connect an external keyboard and mouse, so I plan on getting a USB ...
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23 views

External SSD not recognized after ejection or reboot

I have an USB external mechanical disk. It works fine, and I can remount it after ejection. Also, it is mounted automatically after a reboot, as it should be. I got an USB external SSD, too. It works ...
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30 views

iPad mini charging problems

What I have experienced about charging problems is that it is mostly because the cable is not genuine and for that reason the message "not charging" appears even though it is charging anyway. It is no ...
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0answers
35 views

Mac stops recognising USB devices shortly after reboot

My MacBook Air (OS X 10.11.4, 2013) stops recognising USB devices a short while after I reboot it. That is, any devices connected during or shortly after a restart will be recognised, but after a ...
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1answer
30 views

Burning CD images to Bootable USB

Why can I copy a Linux ISO directly to a USB using dd, but in order to make a bootable USB using a FAT32 filesystem I need to convert the ISO to an UDRW image?
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21 views

Time Machine Network Connected to USB Connected Hard Drive

I have a Seagate 2TB hard drive that I connected to my router and have been using for Time Machine backups for the past two years. Recently I have disconnected this hard drive and attached it ...
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1answer
24 views

How to automat the selection of usb disk based on size

I am trying to automate a process where teachers delete content on memory sticks with different name then put the right content back (same each time) and rename the memory stick to UDISK. I want to ...
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1answer
29 views

Can't play audio to Denon DA-300USB DAC

I just got a Denon DA-300USB DAC, which requires drivers on the PC side but claims to work on the Mac without them (not unusual). This of course also means the user guide is useless, and seems to ...
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16 views

Is it dangerous to use an iMac with broken USB ports? Is there such a thing as Firewire or display-port to USB?

I've got a mid-2010 iMac, 21", i3 processor with 4gb RAM installed which has only one partially-usable USB port, which will power a 3rd-party mouse, wireless dongle, or a keyboard sometimes, but not ...
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31 views

Macbook Pro USB 3.0 ExpressCard snail slow

I have an old MacBookPro3,1 to which I've added an ExpressCard/34 USB 3.0 adapter. The card is recognised by OS X out of the box, but when I connect a device to it I can't talk to it unless I wait ...
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1answer
40 views

USB game controller not detected

Since upgrading my version of OSX, my computer no longer detects a USB game controller. I know the controller is in working order because my Linux machine can talk to it. I don't know which version ...
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0answers
7 views

What are the effects of the “Autolink to web” on OS X Mavericks?

I dug up a strange USB device from a pile of old boxes. I thought it was a flash drive, but it is not detected. The system report says that it is a "Autolink to web". What degree of control could ...
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1answer
136 views

How do I pass the following error message in the Boot Camp Assistant: “Please format the USB drive as single FAT partition.”?

I am running the Boot Camp Assistant on El Capitan. Whenever I reach the third screen, titled "Save Windows Support Software", on which I can select an storage medium to save the Windows support ...
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1answer
237 views

Updated to 10.11.4 now getting “Disk not ejected properly” every time my Mac mini sleeps

Been running El Capitan since it was officially released. Updated to 10.11.4 a few days ago. I have a WD Elements USB 3.0 drive connected to my Mac mini (directly to the rear ports, not via a hub). ...
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23 views

iPod Classic only charges from computer, not from AC adaptor

I have an old iPod Classic (80 GB) which works fine; but I can only charge it via USB from a computer, and not from an official Apple AC adaptor. I have tried all the usual tricks found on other sites ...
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1answer
44 views

macbook pro encounters prohibited sign while booting with USB

My macbookpro is completely empty and the only option that I have is just internet recovery. I downloaded el capitan and with help of the terminal in the internet recovery build a bootable OSX el ...
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0answers
11 views

Manually copy .ISO to bootable USB (without Bootcamp) [duplicate]

I want to create a bootable Windows USB from my Macbook manually as an alternative to Bootcamp. I've downloaded the Windows 10 ISO file. Formatted an 8GB USB with MS-DOS(FAT) with a Master Boot ...
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1answer
24 views

Plugging USB hard drive put my Mac to sleep

I just plugged a USB hard drive into my MacBook Air and for some reason it immediately went into sleep mode (it also stopped the music I was playing on iTunes). What could be the issue? Is it ...
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1answer
42 views

Macbook Pro (Mid 2012) Not recognizing USB

Recently I downloaded VirtualBox to setup a Windows 10 Virtual Machine on my Macbook Pro. I bought a new 32gb PNY flash drive to boot Windows 10. Everything worked great until I shut everything down. ...
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1answer
87 views

How can I modify Boot Camp Assistant so it can use bootable USB?

I own a 2011 21,5" iMac, and I need to install Windows to run some software that is Windows only. I have done this in the past by altering Bootcamp assistent so it can use bootable USB drives, which ...
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1answer
75 views

Samsung V-Nand SSD 850 EVO 1TB not working

I have a Macbook Pro Medio 2012, 15 Inch Non Retina. It was running on a normal 750G HDD, but i wanted an upgrade, so i bought the Samsung V-Nand 850 EVO SSD 1TB. I created a Bootable El-Capitan USB ...
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1answer
22 views

How to Test Stability of your USB Connections?

I have a Macbook Air 2013-mid which has been now 5 times in Apple care: new motherboard 1x and new SSD 3x. It cannot read anymore two USB devices: etc one phone and USB stick impossible. Only one ...
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1answer
26 views

USB adapter stops working after deleting NetworkInterfaces.plist

TL;DR: I have an external USB wifi adapter on a MacBook Pro which was working fine before I deleted my /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist file without making a copy. Is ...
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3answers
33 views

USB short protection

I was prototyping some USB things and I was wondering if the Mac USB ports have any short-circut protection. If I were to connect Vcc and GND directly together would it break my Mac? Would the ...
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0answers
12 views

How to drawn power from a lightning connector?

I'm working on an iPhone accessory that needs to grab power from a lightning connector. Something like the lightning-to-USB cable, but I'd like to do that on a DIY way :) The problem is that, ...
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1answer
24 views

How to interpret the USB info in my MacBook Pro's System Report?

I'm trying to find out if my MacBook Pro USB ports are USB3. It seems to have two USB2 ports and one USB3 port: But my MacBook Pro only has two USB ports. How do I interpret this report? Do I have ...
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0answers
15 views

Unable to reformat USB drive used for El Captian boot disk

I finally got a USB drive (PNY 128 GB) as an installer for El Capitan using instructions from Frakes' article in MacWorld. The installer seemed to work but I halted the installation process. When I ...
0
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1answer
30 views

Reformat iPhone as USB

Is it possible to erase and reformat an iPhone to be act as a USB? I've seen many apps that can store data and then you can access it, but is it possible to actually reformat the entire iPhone to ...
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0answers
22 views

Can data be recovered from a drive which was encrypted

I encrypted a USB drive of 16 GB few months back and stored files on it. Yesterday I destroyed its encryption using terminal diskutil cs list command without realizing that it had important data ...
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0answers
49 views

Can't boot from bootable Windows 10 USB?

I asked this question a little bit ago but it was on a guest account that I on longer have access to. So I'll ask again. I created a Windows 10 installer USB using hdiutil convert and dd. Running ...
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0answers
25 views

Can't boot from Windows 10 USB?

I created a Windows 10 installer USB using hdiutil convert and dd. Running diskutil list shows: /dev/disk1 (external, physical): #: TYPE NAME SIZE ...
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1answer
60 views

USB Win 7 boot disk shows in rEFInd but booting from it loads BootCamp partition instead

I'm having issues with my BootCamp installation of Win 7 Ultimate and want to troubleshoot it using a USB Win 7 boot disk. I created the USB disk in yet another Windows system in Parallels Desktop, ...