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Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

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MacBook Pro won't boot from USB installer or go into recovery. Tried everything

Hi I have a MacBook Pro (15-inch, Mid 2012) that won't boot using any method. Around 6 months ago, the mac started making loud scratching sounds, but they stopped after a day or so. However, a few ...
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1answer
18 views

Can you charge an iPad and connect a USB-C device at the same time?

There seem to be many USB-C adapter hubs, which convert USB-C to other types, and HDMI. When searching for "USB-C hub" you normally see adapters. However, I actually don't want a USB adapter, as they ...
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Trying to remove “FDisk_partition_schem” from USB drive

I'm trying to reset this USB drive so that I can use the 64.2 GB of space. I've tried diskutil unmount and it didn't work.
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USB-C to HDMI not working on USB-C port on dock

I have an Ansbell USB-C dock connected to my Macbook Pro. On this dock there's an HDMI port that is plugged in to one of my external monitors. This works fine. Also on the dock are two USB-C ports. ...
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Braided cable and USB-C adapter to resolve the Wifi/USB C interference on Macbook Pro

I've been reading an article about the interference problem between the Wifi signal (2.4 GHz) and most of USB-C adapters on the market. One of the solutions to solve this problem is to make sure that ...
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12 views

Macbook pro USB port works when connected through hub, but not when used directly

So, this is a very strange issue. One of the USB ports on my late 2013 13' Macbook Pro retina works when I connect it to the USB hub in my monitor through a male to male USB cable, but when I plug ...
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1answer
31 views

Using a Campark ACT74 action cam as a webcam in macOS 10.12

I recently got a Campark ACT74 action cam, with the intention of using it as a camera with which to live-stream stuff to Twitch and the like. Upon plugging it in to my Macbook Pro (2015, 10.12) --- ...
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7 views

MBP 2016 - High Sierra - Thunderbolt Ethernet stops getting detected after frequent plugging/unplugging

I have a 2016 MBP 13". I frequently work from home and office and use Thunderbolt Ethernet using Anker USB-C Ethernet I also run and work on VM ( Fusion ) for my development tasks. During switching ...
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14 views

USB 3 Lightning Camera Adapter to Roland MIDI UM-One interface on iPhone with iOS 12

I am running iOS 12.1.2 on my iPhone X. I am trying to use GarageBand with a Microkorg synthesizer, and am connecting them using a Roland UM-One Mk2 MIDI interface and a USB 3 Lightning Camera Adapter....
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17 views

Getting serial port name from USB device's serial number

Is there a way to get the '/dev/cu.*' port name from a USB device's serial number? I'm using the following command to get the serial number: system_profiler SPUSBDataType | grep "Serial Number" I'm ...
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1answer
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USB not recognized after installing OS X Snow Leopard on it

A while back, I tried installing OS X Snow Leopard on a USB Thumb Drive (64GB) in order to see whether it could run on a Mac with a broken HD. It worked, but was obviously incredibly slow (I didn't ...
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External disk automatically reconnects after unmounting

I have a weird problem on my 13" MBP (Early 2015) running MacOS 10.14.3 Mojave. I have an external USB disk with a MBR partition scheme and one big exFAT partition that allows me to exchange files ...
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1answer
151 views

How to disable USB Mass Storage Device in macOS Mojave

I have been searching a solution on how to disable the USB ports on Mac mini to prevent data copy to external USB mass storage devices. Precisely, my purpose is not to let Mac mini read/write data ...
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1answer
33 views

Has anyone used a lightning + Micro USB to USB-C cable

I just purchased an USB-C to Lightning cable, but when it came I realized that it has also a micro USB right in the Lightning connector. My fear is that the short circuits will damage the iPhone if I ...
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32 views

Pair Apple Magic Keyboard with wireless dongle

Is it possible to pair an Apple Wireless Magic Keyboard with a USB receiver? I want this so that if I plug a laptop into my dock, the laptop will automatically connect to the keyboard (Not with ...
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25 views

MacBook performance degrading while using external screen through some USB-C Adapters

The Setup: MacBook pro 2018 13" without touchbar Asus 24" Screen GooBay 62113/Inateck sc01001 USB-C Adapter When the Screen is connected through the GooBay Adapter via HDMI, the performance of ...
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How to use DV IEEE1394 to USB cable to import from camcorder

I purchased a DV to USB cable thinking that I would be able to import the videos from my old camcorder. Unfortunately when I connect the cable from the camera to my 2010 and 2015 iMacs, none work. Did ...
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14 views

Mojave installation hangs repeatedly

I am trying to install Mojave onto an external USB stick. I have tried repeatedly and it gets to a point saying 16 min remaining and just hangs there. Is there something for OSX like the good old ...
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14 views

Using one Microsoft Sculpt with my Macbook Pro 2018 at home and another at work

I have a Macbook Pro and I like to use Microsoft Sculpt. I use my Macbook at the office and I'm also working at home. I have a separate Scuplt at the office and at home and also two of the adapters. ...
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1answer
20 views

Connect an iPad Pro to an older Macbook Pro using a generic USB-C to USB-A cable

The older Macbook Pro I'm using doesn't have USB-C ports. The cable that came with the iPad Pro I'm using came with a USB-C to USB-C cable. I tried to use a USB-C to USB-A cable from a Huawei phone to ...
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1answer
71 views

Mac mini 2018 problem with USB pen drive [duplicate]

When I insert a pen drive in the USB slot of my Mac mini 2018 the Bluetooth mouse and keyboard lose connection. Anyone knows how to solve this? I have Mojave 10.14.2 and both mouse and keyboard are ...
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14 views

Is there a way to save a note as a txt file onto the iPhone and then transfer it to a computer via USB?

I'm pretty sure the process is quite simple, but I'm not being able to do it. I wrote a rather long-winded note on my iPhone 6S Plus, and would like to save it as .txt file so I can keep working on it ...
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1answer
371 views

Creating a Windows 10 Install USB when FAT32 has 4GB max file size

So I am attempting to create a Windows 10 install USB on my MBP running macOS 10.14 Mojave. To create a bootable USB it needs to be formatted into FAT32, not exFAT. The issue is that when copying the ....
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mount external drive not ejectable

I mounted without any problem an external USB drive and I can see on my Mac. I wonder if there is a way to let system identify it as "internal" drive and not as USB plugged device. It's a low profile ...
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26 views

Two USB C monitors from a single Thunderbolt port?

Any number of docks exist which demultiplexes both DisplayPort signals from the Thunderbolt bus and also provides USB C ports some at 10gbps even but I can't find one that puts the DisplayPort signal ...
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1answer
25 views

Unable to format sandisk ultra 16gb usb3.0 pendrive in mac

I have been using Sandisk Ultra usb 3.0 pen drive since Jan, 2016. I live in Mumbai. But previous month, I created bootable usb with mac os Mojave. Then I formatted pen drive. Dont know what happened, ...
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1answer
13 views

displays - drive displays from USB-C hub

Is it possible to drive a monitor from a hub? If the hub was Thunderbolt 3 compatible and I used a USB-C to HDMI adapter, from the hub to the monitor, would this work? The monitor in question is a ...
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0answers
21 views

Is it possible to use Ethernet connection on Mac without battery draining?

I'm using a Macbook Pro 15" 2018 model. I want to use wired Internet connection with it. I've tried using 2 different USB-C hubs to accomplish this, both are USB-C to Ethernet plus some USB-A 3.0 ...
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1answer
12 views

How to use a portable display with an older Macbook 2011 (USB 2.0)

I've been looking at the Asus Zenscreen portable displays to add a second screen to my Macbook Air. (Model 1, Model 2) The problem that I'm running into is that it's a USB-C connection, or ...
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1answer
67 views

Use all F1, F2, etc. keys as standard function keys not working

I have a MacBook Pro with touchbar and macOS 10.14.1 I'm using a non apple docking station to which I plugged in an LMP keyboard (Model KB-1243) via USB. Now I want to use the function keys in ...
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1answer
290 views

How to make bootable El Capitan installer in Mojave? [duplicate]

One of my friends who don't have a fast Internet connection asked me if I could install El Capitan (which is the highest version of OS X that his iMac supports) and I said sure. Today I went to App ...
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37 views

Full HD not working on MBP 13 2017 with external display at 60hz

MacBook Pro: Mac OS Majove Version 10.14.2 MacBook Pro 13-inch, 2017, Two Thunderbolt 3 Ports Intel Iris Plus Graphics 640 1536MB external Display: LG27UD58/b: 4K-60hz@DisplayPort, 4k-30hz@...
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1answer
76 views

Portable External USB drive can be mounted on Windows but not on macOS on the same MacBook Pro

One of my USB drives used to mount fine on my macOS, up until last night when I tried to upgrade from High Sierra to Mojave. During the upgrading, I realized that my drive was still connected, so I ...
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0answers
17 views

Trying to create a bootable usb for Mavericks

I got this message after I went through the sudo command and entered my pw. I just need to know if I have to start over because of the "Invalid argument"
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1answer
70 views

Mac Pro not detecting Windows install DVD

I have Mac Pro 1,1 (2006 version) running Lion 10.7.5. Bootcamp on this model officially supports up to Windows 7 x86 though people have reported being able to run Windows 10 x64. I downloaded a ...
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1answer
47 views

27" Apple Cinema Display (video and power) to one USB-C

I've got an Apple Cinema Display with ThunderBolt-2 and MagSafe-1 connector and would love to combine these two cables to one ThunderBolt-3 to supply power to the Mac and video and sound to the ...
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5answers
3k views

Can I charge a 2017 MacBook Pro with a third-party USB C power adaptor?

I've got a 2017 MacBook Pro which comes stock with an 87W USB C Power Adapter. I want to purchase an additional power adapter, but I don't require an official Apple one. I notice that Anker make one ...
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0answers
17 views

GenLed SK-868 USB stick mounts to /Volumes/InstallESD instead of /Volumes/DISK_IMG

When I plug my GenLed SK-868 digital voice recording USB stick into my macbook pro (running macos 10.13.6), it sometimes mounts correctly and sometimes does not. When it mounts correctly, I see this ...
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1answer
111 views

Multi-Boot Windows 10 & Various Linux Distro on External SSD

Running Mojave on MBP 2014. Just purchased a Samsung T5 SSD 1TB drive and want to run Windows 10 and various other linux distros (Elementary, Mint, Parrot Security, Kali) on it so I could take the ...
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2answers
1k views

How do I ReAuthorize Quicktime Player to use the microphone when once it has been denied?

I wanted to use a USB audio input to record a video, and got something I've never seen before having done this 100 times; it asked "Authorize Quicktime to use the microphone?" I clicked no, because I ...
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1answer
14 views

Can micro-USB android device (Redmi 4 (India)) be charged using a hybrid converter (USB type-C to type-A) with MacBook Pro high watt charger?

I have MacBook Pro (15'', 2017 model). It comes with a very high voltage charger with USB type-C port. I have a hybrid converter (USB Type-C to VGA + USB Type-C + USB Type-A). I want to charge my ...
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0answers
103 views

iPhone keeps disconnecting & connecting when transferring data

I have a MacBook Pro (2015), and an iPhone 7 Plus. The problem is the following: If the iPhone is connected to my Mac, then whenever I run an app via XCode, or the Mac is just transferring data, the ...
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0answers
33 views

Is there a way to use the IPad 2018 with both a midi controller and audio out?

The iPad Pro 2018 has a single USB-C port. I have a dongle (USB-C => Audio) that lets me use headphones, I have a dongle (USB-C => USB-A) that lets me plug in a MIDI Keyboard. What I want is to be ...
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0answers
21 views

How is iOS to host communication done with TCP to USB?

I am looking for a good primer on information about accessing the data streamed from iOS devices to a host via USB. I've found this is done through TCP, I think. But concrete info is what I'm looking ...
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1answer
37 views

How can I share a USB printer on MacOS

I have a Brother DCP-7040 USB connected printer on my High Sierra system that I'd like to share on my network if possible. It is using the Brother-supplied CUPS driver, which I just updated yesterday. ...
2
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1answer
401 views

Will a Dell U2419HC provide enough power to charge a MBP 15" (Late 2016)?

The monitor comes with a USB-C port that sends power as well as image. But it's unclear to me: What's the wattage it sends? Is that enough to charge an MBP that's in use?
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1answer
33 views

Time Machine is backing up itself?

I have a MacBook Pro 13 inch 2017, 2 USB-C ports, MacOS 10.13.6, with about 90 GB content, 120 GB total HD. It gets its first backup onto a pristine, just reformatted, 500 GB external drive, via USB. ...
2
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1answer
44 views

macbook air: unable to assign static IP on USB ethernet adapter

I want to connect to a USRP X310 device via ethernet. The apple USB ethernet adapter is plugged in and is shown by ifconfig: en3: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu ...
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0answers
19 views

How do I relate Activity Monitor's Disk “Data read/sec” and “Data written/sec” to overall data transfer rate?

I'm trying to understand just how much speed I'm getting when writing big files out one of my MacBook Pro's USB 3.0 sockets to an external drive, also with USB 3.0. An example is the copying -- via a ...
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1answer
36 views

New 11" iPad Pro: Headphones Kraken USB

I am trying to connect my 11" iPad Pro with my Razer Kraken USB headphones. I have a USB type A to type C adapter. The iPad powers up the headphones. Sometimes the sound is perfectly fine (rarely), ...