Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

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21 views

Disable USB C on MacBook Pro 2018

Is there a way to disable USB C ports on my MacBook Pro 2018 for anything except charging ?
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17 views

Disk Utility Live Boot

Is it possible to create a bootable version of an OS (for example Ubuntu) on a USB from Disk Utility. I have tried clicking on restore, and then selecting an image (.iso). However whenever I run the ...
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23 views

Problem with copying files above ~4.2 GB [duplicate]

I am trying to copy video (mp4) files from the solid state drive of my MacBook Pro to both a external hard disk as well as to a SanDisk USB thumb drive. It goes well up to abut 4.1 GB file size, but ...
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7 views

Can HID USB devices be connected to an iPhone using XCode?

I have a USB Bluetooth scale that is HID which can connected to an Android device and communicate with it. I was wondering if the same thing is possible with iOS? The scale is the Stamps Model 510. ...
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13 views

My MacBook Pro is Getting Shutdown when I plug USB Cable

My MacBook Pro is not detecting USB and most of the time it is getting Shutdown when I plug USB cable into any of USB ports. This was not a case earlier. I have been using this for years, but this ...
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22 views

I-Phone XR unable to resume music through USB with car

I am trying to understand a disconnection issue with YouTube USB streaming from an I-Phone XR(iOS 12.3). The phone is connected through USB to the Ford SYNC 2 audio system. Every time, there is a call ...
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24 views

Restore APFS Volume on an external USB disk which does not mount

I work with a MBP 15" (2019 eight core) and an USB HDD partitioned with an APFS encrypted volume. Yesterday, after a regular power off of my MBP, I plugged in my external USB disk and I got an error ...
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19 views

How to reset/bypass iphone password after restarting iPhone [duplicate]

Last night I changed my iPhone's password, but now I've forgotten what it was, and since then it ran out of power so now it's at Before First Unlock mode. So now I can't access my iPhone, and I've ...
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1answer
77 views
+50

Is there a USB-C PoE adapter for iPad Pro?

Is there a dongle which plugs into the USB-C port on the iPad Pro that accepts Power over Ethernet (PoE) so when PoE is available there’s no need to plug an additional USB-C cable to provide power to ...
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1answer
26 views

Problems with network connection after switching USB LAN hub (despite using wifi connection) [duplicate]

I have a 2018 MBP running 10.14.x I had it connected to a thunderbolt / USB-C to ethernet hub, this model. Which i was using as a USB hub and ethernet adaptor. I recently moved desks and started ...
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31 views

On macOS Mojave how to use 100hz instead of 60hz for other than native resolution

I have a Samsung LC34H890WJU 4k@100hz monitor connected via USB-C to my Macbook Pro 18",running macOS Mojave At native resolution there are no issues - 100hz works just fine When switching to other ...
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1answer
47 views

Create a USB stick with Windows installer on it

I google it before but I was not able to find what I want. I want to make a stick with windows 10 on it from my mac (MacBook (13-inch, Mid 2010)) and I want to instal it on a PC (not an apple product)....
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17 views

Boot Camp Assistant error when downloading windows software support

I am following this tutorial to make a usb flash drive with windows to instal it on another pc from my mac:https://twocanoes.com/create-a-windows-10-bootable-usb-flash-drive-on-a-mac/ I got at this ...
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62 views

Force Sidecar to use usb connection

macOS Catalina has a feature where you can use your iPad as a secondary display for your Mac. I have a Macbook Pro 2016 and a 10.5 inch iPad Pro 2017. Both are officially supported for the latest ...
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29 views

Is there a way to easily test the speed and power capacity of a USB-C cable?

Specifically in a macOS / iOS household (i.e. not looking for solutions that calls for Windows software). I have a number from varying sources and definitely they are not equal. For example: The C-...
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1answer
28 views

Detect a connected USB-C charger cable that is not charging

Is it possible to detect a connected USB-C charger cable that is not charging? I mean a fully functional MacBook and a charger that is connected to a power outlet, where power is disabled. I would ...
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2answers
36 views

USB-C dock with HDMI graphics on Late 2013 MacBook Pro

I have two MacBook Pros, a 2017 model with Thunderbolt 3 ports, and a late 2013 Retina with TB2 and USB3 ports. I use a HP USB-C Dock G4 docking station for the 2017 model. I have two 1080p HP ...
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1answer
48 views

dd input/output error. No information in error string

I am using a MacBook macOS Mojave 10.14.5. I can list the device with diskutil list, but it isn't mounted. I perform the dd command below. The output states input/output error, which doesn't give a ...
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1answer
17 views

How can I make my iPhone 5S go back to charging from my Dell Windows laptop USB port?

My iPhone 5s, when connected to my Windows 10 Dell laptop, has recently started connecting & charging then immediately disconnecting and ending charging. I get the "double buzz" of connection, ...
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8 views

Connecting Afterglow controller only shows up momentarily

I'm trying to connect an Afterglow PS3 controller to my MBP. It's a 2016 model, so it only has Thunderbolt ports, so I connected the dongle using a USB to USB-C adapter. When I plug it in the ...
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1answer
50 views

Disabling a specific system notification?

My Macbook Air 13" (macOS 10.13.6) has a USB problem which triggers a warning notification every five minutes: Looking in the Console, I see lots of "overcurrent detected" warnings; testing the two ...
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51 views

How to get DMG file for making macOS USB on Windows PC?

I saw this discussion and updates on StackExchange on making macOS USB on Windows. I'm unable to comment there, so I'm posting a new question. I have been trying everything from that page, but as of ...
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2answers
91 views

Connect my 2015 Macbook Pro to my 2019 iMac as an external monitor

I have a 2015 Macbook Pro (Thunderbolt 2 port) for which I would like to use my iMac 2019 (USB-C Port) as an external monitor. What type of adapter and cable should I buy to make this work?
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19 views

How can I reconnect a USB device (NOT A STORAGE DEVICE) without physically unplugging?

So I'm using Windows on Parallels Desktop for some application. After I disconnect the USB device from the virtual machine, it is not automatically connected back to macOS. I can still see the device ...
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1answer
42 views

What do the various USB 'current' labels under macOS System Report mean?

Could someone please clarify what the following values under System Report > USB mean. I am using an iMac 5K 2019 Current Available Current Required Extra Operating Current Sleep current Also, what ...
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1answer
27 views

Can't boot from USB or reset PRAM/NVRAM on mid-2006 iMac

I got a free mid-2006 iMac from a friend, and while it boots to the login screen, all the user accounts are password-protected, so I've decided to try reinstalling Mac OS X Leopard. I created a ...
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1answer
71 views

How to create a bootable Windows 10 USB with a Mac to boot/install on a PC?

I have no access to a Windows machine at the moment, but need to create a bootable Windows 10 USB stick from a Mac that can be used to boot and install on a PC (not a Mac). Microsoft provides the ISO ...
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0answers
28 views

Why is my external hard-drive is not appearing (most of the time)

I recently bought an external hard-drive, Western Digital 4GB, and I have a MacBook-pro 2015 (15inch). When I received the hard-drive, it worked like a dream, I just re-formatted it to apple's file ...
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24 views

Thunderbolt 1.0 with New Monitors [duplicate]

I have never connected my MacBook to external monitors. I know I can use the HDMI port, but I was wondering about the Thunderbolt 1.0 port (I have 2 ports). I am using a Mid 2012 15" retina MacBook ...
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3answers
294 views

How can I make a macOS Mojave bootable USB installer in Windows 10?

I have downloaded and saved macOS Mojave installation file from the Mac App Store into my external hard drive. Unfortunately, macOS has crashed on my Mac and now I need to install it again. I have ...
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3answers
1k views

With a data transfer of 50 GB estimated 5 hours, are USB-C claimed speeds inaccurate or to blame?

When I bought an 2017 MBP I was under the impression (from Apple and others) that USB-C was the superfast way to transfer data. It has not worked out that way and I am wondering if I misunderstood ...
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2answers
36 views

Does replugging a Thunderbolt display necessitate a system restart?

Is there any danger in hot-plugging and un-plugging an external (Apple) Thunderbolt monitor (from USB-C), or is it safer to shutdown the computer first?
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74 views

Microsoft Sculpt keyboard not working with 2018 MacBook Air

I have a brand new Microsoft Sculpt keyboard and mouse, and a 2018 MacBook Air. The keyboard works only occasionally, and often stops after a few keystrokes. The behaviour is either to not work at all,...
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2answers
120 views

When using a USB-C monitor with power delivery, does constantly having it plugged in damage the battery?

By my assumption, the USB-C port on the monitor will charge the device even on full charge. Is this correct? I believe this would damage the battery over long periods of time.
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2answers
46 views

Issue trying to run macOS Mojave off a bootable external USB

I'm trying to run macOS off a USB drive, so I can troubleshoot some issues I've been having with a monitor. I've followed this how-to video, and can reboot (holding Option + Power On). Once I choose ...
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2answers
378 views

Tool to objectively test performance various external drives on my Mac via USB & Thunderbolt

I would to test the relative performance of various external storage devices: Thumb drive Samsung MUF-256AB/AM FIT Plus 256GB - 300MB/s USB 3.1 Flash Drive (256 gigs) Spinning metal drive Toshiba ...
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0answers
64 views

How to disable USB Mass Storage in Mojave to free up device for libusb?

I am trying to use usb_modeswitch via libusb to switch a Huawei HiLink USB LTE modem to Ethernet mode from mass storage mode. It fails with the following error. libusb: error [...
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2answers
80 views

Force eject a device

Because my drive will freeze occasionally, I would have to pull the cable out. (see the question below for more detail): Seagate Backup Plus 5 TB became unresponsive after long period of use I've ...
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1answer
48 views

Do standard rectangle USB to Thunderbolt 2 cables exist?

Do standard rectangle USB to Thunderbolt 2 cables exist? I want to use my Thunderbolt 2 ports to connect a standard USB hub. Thanks!
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1answer
17 views

MacBook Pro won't recognize USB keyboard any more

I have a "MacBook Pro (Retina, 15-inch, Mid 2015)" running Mojave (v10.14.5). I'm trying to use a Microsoft Natural 4000 v1.0 USB keyboard, because it's one of the few keyboards that fits my hands ...
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1answer
40 views

Installing Windows 10 on iMac 27" (2017) Mojave, 3TB

I'm trying to install Windows on my Mac. I had no problems before, or on my older iMac/Macbook, with installing Windows on a Mac. I decided to detach my Fusion Drive, so I ended up with a 3TB HDD ...
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1answer
82 views

Mounting USB stick in single-user mode: unsupported sector size (0)

I'm trying to mount a USB stick in single-user mode (thankfully there's nothing wrong with my Mac, I'm just trying some stuff out). These are the commands I've been running: $ mount -uw / $ mkdir /...
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3answers
36 views

Is the thicker USB C cable included with the MacBook Pro charger necessary for its higher current capacity?

My new MacBook Pro came with a USB C charger and an associated cable. I'm noticing this cable is a little bit thicker than other USB C charging cables I've seen. What safety and charge carrying ...
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0answers
11 views

How many hard drives can you connect to an Apple AirPort Extreme? [duplicate]

I'm trying to connect up to four hard drives to my AirPort Extreme. I have hooked them up using a powered USB hub but currently, only two of the drives will show up. I have looked all over but I can't ...
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1answer
27 views

Mac thinks USB is the wrong format

I have a USB drive that I cleaned and formatted as FAT32 on my Linux machine because Diskutil disableOwnership wouldn't work. I plugged it into the Windows machine with the files I need and copied ...
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0answers
19 views

iPad 4 mini not charging

The other night I plugged my iPad mini 4 into my regular charging plug (that I've used consistently for 2 years and worked great) and it wouldn't charge. I went to other iPad/iPhone chargers I have in ...
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3answers
119 views

Make Mac eject external drives when going to slumber or sleep/wake

I have an external drive, a "Western Digital My Passport for Mac". I usually leave it connected and walk away from my MacBook Pro. The Mac often went to slumber and many times the "not properly ...
2
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1answer
19 views

How to create installable app with setuid bit set owned by root

I have inherited a codebase that needs updating, but I don't have the build scripts that created the final pkg file. The code needs to access a connected USB device (treated as a drive) to read and ...
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1answer
50 views

Installing USB drivers

Is there a way to force macOS to reinstall a set of USB drivers for a device? I have a pair of headphones from Sennheiser that are no longer recognised, i.e. not shown as an output device in the ...
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0answers
32 views

iMac with Mojave disconnects from WiFi when sleeing

My iMac late 2012 with Mojave is using several minutes to connect to WiFi after i wake the machine from sleep. Until a few weeks ago, the machine was connected to WiFi in matter of seconds after i ...