Devices that use the Universal Serial Bus data interface

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4
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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
306 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
619 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
280 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
204 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
13 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
58 views

Data written to USB to Serial adaptor differs from data received – regression in OS X 10.11.2

After I update to OS X 10.11.2, El-Capitan, from 10.11, my Aten USB to Serial UC 232A no longer works properly. When I send hexadecimal data, for example client send : 02 01 10 30 30 30 03 CB, the ...
2
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0answers
1k 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
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0answers
88 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
47 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
46 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
150 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
316 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
109 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
245 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
521 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
209 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
754 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
610 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
267 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
370 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
922 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
316 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
444 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
15 views

Repair an exFAT drive on Mac OS X after it's been improperly disconnected

Very often an exFAT external disk stops appearing in OS X. It doesn't appear in Disk Utility, Finder, diskutil list or About this Mac/System Report/USB. The only way I have found to fix it is to boot ...
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0answers
9 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
24 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 ...
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0answers
16 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
95 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
65 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 ...
1
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0answers
127 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
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0answers
29 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
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0answers
47 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 ...
1
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0answers
53 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
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0answers
152 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 ...
1
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0answers
2k views

How can I troubleshoot USB drivers on El Capitan

I'm a developer and use Motorola Device Manager, and Android File Transfer to work with my Moto X devices. Prior to the upgrade to El Capitan, I was able to use the USB port, run "adb" and all other ...
1
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0answers
519 views

Backspace Key Not Working on Mac Keyboard

Can't explain it, my official wired Mac Keyboard that came with my iMac (20-inch, Early 2009) currently running OS X Yosemite 10.10.5 (14F27) has a backspace key that suddenly stopped working. I've ...
1
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0answers
110 views

OS X - USB key Fat32 cannot be open device in Disk utility -

am trying to reformat a brand new USB key ( EMTEC Click2.0 16GB Flash Drive) which is FAT32 formatted ( default) as I need to store oversized files ( > 4GB) to OS X Extended Journaled The key is ...
1
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0answers
25 views

Early 2011 15" Macbook Pro running Windows 7, front USB port misbehaves

I have an early 2011 15" MacBook Pro on which I primarily use Bootcamp & Windows 7. The front USB port works well using OSX but under Windows, it thinks any storage device lugged into it is an ...
1
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0answers
111 views

“Unable to unmount volume for repair” message about reformatted (and empty) SSD in “Option/ALT startup”

I am trying to reformat a Samsung 512GB Pro with bootable USB, and I have managed to get through the prep for the USB so I'm in no need there. But after the "Option/ALT startup" I click on the USB to ...
1
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0answers
23 views

variable USB3 / bluetooth interference with an MBP

I've got: a hengedock, a late 2013 retina MBP, a USB3 hub, and a USB3 backup disk, and a bluetooth trackpad. Sometimes, it all works great. Sometimes, the pad goes on strike. At worst, it even ...
1
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0answers
167 views

USB-C Extension Cable

I was looking around the web for a USB type C male to USB type C female extension cable, and could not find one. Does such a product exist? I have set up Apple's AV adapter for the new MacBook at my ...
1
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0answers
48 views

Bootable usb from dmg taking more space than it should

I have made a bootable USB disk using a DMG and restoring it to a partition. I planned on making this USB a multiple-version recovery USB for use at a repair shop, but I can't fit everything I want ...
1
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0answers
152 views

Powered USB hub sometimes locks up Macbook Pro on being plugged in

I have a Plugable 7-port powered USB 3.0 hub. I use it to connect my external hard drives (I have three) to my Macbook Pro (that has only 2 USB 3.0 ports). Sometimes, when I plug the hub into my ...
1
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0answers
156 views

Setup launchd task to run when USB device is connected

I'm hoping to setup a script to run automatically when a USB device is connected, however I'm not certain how to trigger it. Unfortunately the USB device isn't a volume, so I can't use the onmount ...
1
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0answers
205 views

How To Create A Bootable USB Installer for Windows, Linux and OSX?

How can I use my 120GB USB Drive as an ultimate IT tool? I want to have the following ISOs partitioned off and accessible through a bootloader (any): Windows 5,6,7,8,10 OSX 10.6,7,8,9,10 GParted ...
1
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0answers
1k views

How to fix spurious “Cannot communicate with scanner” error, without rebooting

I have a Canon MP560 printer/scanner combo, installed and working. However typically when I turn on the power to the printer and click 'Open Scanner...' I get the following error: Needless to ...
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0answers
123 views

How does iTunes gain access to a passcode-locked iPhone?

Recently I witnessed how iTunes, which is linked to a certain iPhone may unlock it's first screen - the one which requires a password. I also know of a few tools which may mimic this effect; I`m ...