Devices that use the Universal Serial Bus data interface

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6
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43 views

Is there a way to access a USB-serial port by the device id, not by the tty.* port?

On linux USB-serial devices create two aliases to its serial port: /dev/tty* and /dev/serial/by-id/<my_usb_device_id> Is there a way on OSX to identify a serial port by the USB device id? Both ...
4
votes
0answers
2k views

El Capitan drops USB-connected speakers

I've been running the Beta for El Capitan for a while now, but since the OS got officially released today, I feel it's okay to ask a question. FYI: I'm running the GM. I have an iMac with a Bose ...
4
votes
0answers
342 views

Menu bar icons disappearing when connecting USB device

If I plug something into one of the USB ports on my Mac 17″ (after upgrading to Yosemite) my Menu Bar at the top of the desktop keeps disappearing and reappearing. The icons keep flashing on and off. ...
4
votes
0answers
756 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
3
votes
0answers
57 views

Reset USB bus without reboot (MacBook ignores display)

I have a MacBook Pro and work with different external monitors. The monitors have a keyboard and a mouse attached. Frequently the MacBook does not recognize the USB devices in the display and the ...
3
votes
0answers
102 views

Third party USB Ethernet adapter won't wake up

I have a mid 2015 Retina MBP 15" and regularly use multi screens and hard wired ethernet. So I've bought a third party HandAcc USB ethernet adapter with Realtek 0x8153 chipset (the device also ...
3
votes
0answers
297 views

Mac Mini 2013 wakes immediately after sleep when USB drive plugged in

I have a 2013 mac mini running osx 10.9.3. I used to be able to send the machine to sleep by going to the apple in the menubar and choosing sleep. After a recent update, when I do this the displays ...
3
votes
0answers
2k views

USB hub disconnects from Mac Pro occasionally

I have a 2013 Mac Pro (cylinder version) running 10.9.2 and I'm using a Monoprice 24-port USB2 hub with it. About once a day for the past few days, the hub has fallen off the USB bus, along with all ...
3
votes
0answers
218 views

Multiple monitors get mixed up

I am on OSX Lion, with a MacBook Pro. I am using the DisplayPort for an external monitor and two USB Diamond BVU195 for two extra monitors. Each time when I turn my computer on, the two monitors get ...
2
votes
0answers
60 views

USB Microphone way too loud

I recently got a USB Microphone and no matter what I do, the microphone is way too loud. I lowered the input level in system preferences to be as low as possible without being off and it's way too ...
2
votes
0answers
2k views

El Capitan GM and USB passthrough

After updgrading to El Capitan GM, I noticed that usb passthrough no longer works in VirtualBox, and this seems to be occuring for everyone. I have found several threads on VirtualBox forums ...
2
votes
0answers
120 views

Why does my USB hub hide a directly attached drive from the boot menu? (post-Filevault)

I recently enabled FileVault on both my mid-2012 Retina MacBook Pro and my external USB drive containing a Carbon Copy Cloner backup. My external drive is attached directly to the MBP. I also have a ...
2
votes
0answers
61 views

USB Flash (Pen) drive vanishes after hibernation

I reboot my macbook (4,1 model + 10.6.8) very infrequently since I rely on the hibernation feature a lot. I also use USB flash drives a fair bit and there is usually one plugged in to one of the USB ...
2
votes
0answers
52 views

USB Hub in 'safe' mode?

I have a powered USB 2.0 hub which suddenly started acting weird. No new devices or anything. It is the same setup as before. All connected devices are still working, except one. The one device (a ...
2
votes
0answers
171 views

Phone not showing in Finder (but available for Dropbox)

I use a 3-years old Nokia X2-01 phone and moved to the Mac recently. I'd like to copy some files to the phone but I do not see it in the Finder. In Windows, I used to be able to plug the phone in via ...
2
votes
0answers
384 views

SSH to device via USB

When I try to SSH over USB to my device running linux, I get "ssh: connect to host 10.90.1.2 port 22: Network is unreachable" Mind you, I can run the same command "ssh root@10.90.1.2" on my linux ...
2
votes
0answers
146 views

Must unplug and replug in USB NIC before it will work

Relatively new to the world of Mac (few months now) and have a Cable Matters USB wired NIC. WiFi on the mac turned off during all of this. If I reboot my mac with the USB device inserted (and cable) ...
2
votes
0answers
712 views

How do I get my mac to re-scan for devices? -> Keyboard stops working after usb hub/dock with keyboard/mouse connected

I have a Dock at home and work. They both use versions of the pluggable usb 3.0 chipset. Each dock has a keyboard and trackball attached. When I move from one dock to another the keyboard and ...
2
votes
0answers
284 views

Macbook Air Logitech K120 USB Keyboard auto remapping problem

I'm having an issue with my 2013 MacBook Air. From day one, I've been using my Logitech K120 USB keyboard with it, and it worked flawlessly from first plug, no problem at all. I've been a month away ...
2
votes
0answers
564 views

Mac Mini does not recognize USB Keyboard at start up

I am using a Quickfire Stealth mechanical USB Keyboard for my Mac Mini. I am having an issue that each time I boot the computer, I have to plug it out from the USB port and plug it back in for the Mac ...
2
votes
0answers
233 views

Boot Linux from USB drive

I've installed Fedora on a new SATA SSD drive for my MacBook Pro, and when installed into the laptop, it boots perfectly (and runs wonderfully!). However, I want to boot from it externally until I'm ...
2
votes
0answers
839 views

How do I write-protect a partition of a USB drive on OSX that can work cross-platform?

I bought a bunch of USB sticks that I want to give as a gift to friends and clients, with some files on them. I'd like to have the files non-erasable (though I realise they can format the drive, I ...
2
votes
0answers
3k views

MacBook does not list my bootable USB stick in the boot menu

I made a bootable usb stick with OSX Lion. When starting up my MacMini (which has OSX Mountain Lion installed) while holding option, the USB stick is listed and I can boot from it. But I want to use ...
2
votes
0answers
628 views

Problems installing Lion onto a USB drive

I'm having problems installing Lion onto a USB drive. On a Lion MacBook Pro I saved the 'Install Mac OS X Lion.app' application, ran it and selected the USB drive as the destination of the install. ...
2
votes
0answers
310 views

Use unsupported USB footswitch?

I am attempting to use this footswitch: http://www.scythe-usa.com/product/input/008/usbfootswitch_detail.html They only support windows, and USB Overdrive apparently doesn't support it either. I ...
2
votes
0answers
397 views

Is there any neglible impact on USB read/write speeds using MBR/NTFS vs. GPT/HFS+ in OSX?

I have a 3 TB External Hard-drive, however, it was previously used with a Windows desktop and uses an MBR partition table and the single partition is using NTFS. As a result, I've been using various ...
2
votes
0answers
1k views

USB drive won't mount

I'm having a problem with a USB thumb drive that I used to be able to read and write to with no issues. On two different Macs: MacBook Pro and iMac, it doesn't mount. It doesn't even show up in ...
2
votes
0answers
323 views

What is a USB wifi dongle/adaptor with drivers that integrate with AirPort?

I've tried the D-Link DWA-131 and Ralink-based generic adaptors available on Amazon.com such as the Rt 2571/2573. After installing the driver, they all require you to use a separate configuration ...
2
votes
0answers
454 views

Umount Gamepad under Mac OS X

I can plug in my gamepad controller and usb probe shows me, that it is recognized. I want to umount it, so that I can use it under the Virtualbox. Where does Mac mount USB devices such as a gamepad. ...
1
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0answers
43 views

External USB Card reader stopped working (El Capitan)

I have two dell displays on my mac mini, both displays have a builtin card reader. For years, I've been able to insert an SD card and it's mounted w/o delay. For the last few months, I've noticed that ...
1
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0answers
70 views

Boot Windows from USB with EFI password

I've created an USB with Windows 10 from where I can boot: Restart pressing option. Select USB EFI partition. Windows starts. When EFI password is active it will be asked when booting pressing the ...
1
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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 ...
1
vote
0answers
25 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 ...
1
vote
0answers
40 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 ...
1
vote
0answers
21 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, ...
1
vote
0answers
18 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 ...
1
vote
0answers
93 views

How do I record HDMI input to a file with my Mac

So I have an HDMI signal and an HDMI to USB adapter. I need to record this HDMI signal to a video file. Zero budget. Will plugging this into my Mac work as a video input? If not, how else do I do this?...
1
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0answers
29 views

Wired Apple Keyboard: certain Keys not working after connecting a broken USB mouse

Recently I've connected to my Wired Apple Keyboard a wired USB mouse using one of the keyboard's USB connectors on the side. After a while the mouse cable seemed a little flimsy at the base but I've ...
1
vote
0answers
246 views

Creating a bootable Windows USB drive when Bootcamp is already installed

I just upgraded to El Capitan, and am now having issues booting directly into Windows. I need a bootable Windows USB stick to repair my bootcamp partition, but I'm having a difficult time making that ...
1
vote
0answers
197 views

Disable guest access to USB Mass storage device 10.11

I am currently doing a theatre production and running Qlab for sound and lighting cues. I have setup a new user account for people other than me to access Qlab, which is fine. The problem I have is ...
1
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0answers
41 views

Troubleshoot faulty USB port on a MacBook Pro

I have a MacBook Pro from 2011 that has one faulty USB port. The USB port can power up devices such as iPods or iPhones just fine, but fails at communicating data between the Macbook Pro and devices ...
1
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0answers
24 views

How to force OS X to recognize Kinect power supply cable as a USB 3 device?

I have a Microsoft Kinect that I want to use with Open Kinect on my mid-2012 13 inch Macbook Pro. I have the correct power supply/usb cable which needs to be connected to a USB 3 port on the computer. ...
1
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0answers
230 views

USB Bootcamp: INACCESSIBLE_BOOT_DEVICE

i'm on a late 2012 iMac (15C50) and created a Windows 10 Bootcamp installation which worked fine. I transferred it to a external USB SSD with Winclone 5 which basically worked. I can still select it ...
1
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0answers
141 views

Windows 10 USB3 drivers for MacBook

I am trying to get a Tobii EyeX eye tracker working on my MacBook Air mid 2012. Unfortunately Tobii have only provided support for Windows systems, so I'm trying to get around this by using a Windows ...
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0answers
95 views

How do I know if my iMac supports the UASP protocol over USB 3?

My iMac is an early 2013 (iMac 13,2 model). How do I know if it supports the UASP protocol over USB 3?
1
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0answers
308 views

USB Keyboard barcode scanner inputs wrong digits only in OSX

I'm having a bit of a weird issue with my barcode scanner under OSX (El Capitan). It's a generic barcode scanner, Proster branding, with a Megawin USB-UART chip inside so it acts as a USB Keyboard. ...
1
vote
0answers
38 views

How can I issue a S.M.A.R.T. Enhanced Security Erase command to a HDD?

I have multiple hard drives that I need to erase before selling and some before going in the trash due to bad sectors. I'm not fond of software level data erasing (Disk Utility, DBAN, DD, etc) as it ...
1
vote
0answers
82 views

How to charge iPad with one or more USB devices connected?

I use my iPad with lightning power cable, to execute live theater lights show through an ArtNet server to DMX dimmers signals in Wi-Fi. I need to connect two USB devices to it, one keyboard and one ...
1
vote
0answers
228 views

USB Drive not Recognized

I have a new usb, I plugged in, it worked, then I formatted it in Mac OS X Extended. It gave some error, and then it disappear from everywhere. Tried it an other PC with Linux, not working in OS X El ...
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vote
0answers
95 views

Trying to run Windows from USB on Mac, says “No bootable device found”

I am trying to run Windows 10 on my Macbook Air. I originally wanted to upgrade my SSD so that I would have enough space for a windows partition. Unfortunately, I can't do that with my model (I have a ...