Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

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4 views

icdd process is disconnecting my mouse

I have trouble with my macOS / my mouse where my mouse get disconnected for a few seconds and connected automatically again. When I open console app and start a logging session there get the following ...
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The speed connection drops down after a few months

I don't understand what's the deal with USB-C Ethernet adapter and dock. I bought many USB-C Ethernet adapters and docks (for example Anker USB Type-C to Ethernet, USB C Hub 8 in 1, uni USB-C, Hyper ...
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Error creating bootable Catalina USB installer “The file “InfoPlist.strings” doesn’t exist.” (actually it does exist…)

Just bought a new 64gb USB stick so I can roll back to Catalina from Big Sur, which is causing problems. Going through these instructions: https://support.apple.com/en-us/HT201372 I ran this command: ...
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Why do I only get ethernet connection through the right usb port and why does it stop working if I unplug and replug?

I've been trying to use a usb > ethernet adapter to get a connection and have the following issue (Mid 2014 Macbook Pro, 13", BigSur 11.2.2): Only the right side usb port works in terms of ...
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Some USB Ports dont support usb hub after login

I have a problem that seems to be a combination of other problems mentioned here & on the apple support forums. I've tried al the fixes I could find but am still coming up short. I have a USB-C ...
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43 views

USB 3 connection speed between MacBook and iPad

I have a 2018 MacBook Pro with 4 USB 3 ports, supporting USB 3.1 Gen 2 (up to 10 Gbps) And an iPad Air 2020 (4th Gen) with a USB 3 port, supporting up to 5 Gb/s apparently. And I directly connect the ...
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1answer
48 views

Can Big Sur disable external drives?

Been having several seemingly unrelated problems with a new (2019) MacBook Pro (MBP).  All of them seem more like software than hardware (as a retired software engineer with ten years as an ...
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1answer
36 views

Scanning External Drives (USB keys in particular) before mounting them

I need your help: it happens quite often to me that I have to mount drives coming from the most diverse sources and, sometimes, with quite a high risk of being infected with god knows what. As a ...
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1answer
23 views

“USB Accessories Disabled” notification from Thunderbolt 3 network connection?

I've got a MBP (16" 2019) connected to a MacBook Air (13" 2020) both running Catalina in clamshell mode. I have a Thunderbolt 3 cable between them for network connection. Ever since I ...
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1answer
38 views

Restart USB hubs without restarting the whole computer

I am running MacBook pro OS Catalina 10.15.7. When I unplug my USB-C modem, sometimes it will no longer work again when plugged in, even after having the computer sleep. The only solution I have ...
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2answers
42 views

Is there a cheap and easy means to evaluate iPhone chargers and cables?

Is there an app for iPhone and iPad that will indicate charge voltage and current? Is this information available to the user already by some means I am not aware of? And without jailbreaking or some ...
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1answer
31 views

Kali Linux bootable USB not showing up in boot menu

I am using a 2018 MBA running Big Sur I wanted to create a persistent bootable USB with Kali Linux and have followed the exact instructions as given in this article: https://medium.com/macoclock/...
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2answers
52 views

How to use a USB-C adapter on an older mac with USB A

I have two Macbooks - one from work (with USB-C only) and my personal (2015 - thunderbolt and USB-A 3). I recently purchased a Satechi USB-C to Gigabit Ethernet adapter for the USB-C Macbook and would ...
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How can I block access to USB drives?

In an office environment I need to block access to USB drives for security reasons. I know how to do this on Windows, but how can I accomplish this on macOS?
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Apple Cinema Display on USB hub

I recently buy a MacBook pro 13' M1 2020 and a USB-C to USB 3 hub to plug my old hard disk, old usb mouse and my old apple cinema display monitor (with usb, vga and firewire). As you can see on the ...
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37 views

MacBook Air 2020 multiport not working properly

The problem: One of the USB-C port of my multiport is not wokring, all others are working fine. In detail: The multiport has two USBC sockets, SD and micro-SD card reader and 2 "normal" USB (...
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Can connecting 2 external monitors to a macbook pro damage it?

I have a 2020 MBP 16", and I bought two Dell P2721Q, which are capable of delivering up to 65W through the USB-C port. Could connecting 2 of these simultaneously somehow damage the computer? I ...
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1answer
30 views

Issues using a non-Mac mouse with MacBook Pro

The mouse I'm currently using is the Logitech Anywhere 2s mouse recommended by this youtuber. When I use it for prolong amounts of time, I find VERY significant connection lag issues no matter whether ...
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1answer
61 views

New M1 Mac mini - No audio on USB after sleep

The problem I have a new M1 Mac mini connected to a Philips monitor, connected via the Thunderbolt (USB C) port. Whenever the Mac wakes from sleep, the audio is not working and is fixed by toggling ...
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1answer
59 views

Mac Mini won't open Startup Manager

I have recently obtained a Mac Mini second-hand from an organisation. When I power on the device it boots Windows 7, however, I'm unable to boot from a USB due to the Mac Mini not opening it's Startup ...
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116 views

USB-C Ethernet adapter no longer working

I have two USB-C Ethernet adaptors: AmazonBasics USB 3.1 Type-C to Ethernet Adapter BENFEI Type-C (Thunderbolt 3) to RJ45 Gigabit 1000 Mbps Ethernet Adapter I've used the AmazonBasics one for a ...
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USB Devices not mounting in Mac OS 11.1 Big Sur

I can't get USB devices to mount to my MacBook Pro (mid ‘14) unless they are plugged in at the time it boots. Even then the device can't be re-mounted after being removed. I've tried this with a flash ...
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1answer
31 views

Can I boot from a USB stick containing MacOS if there is an issue with MacintoshHD?

So my mac HD started playing up and then refused to work, would not boot. Tried recovery mode but it wouldn't allow me to run first aid on the Macintosh HD drive. Created a MacOS USB boot up stick by ...
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I have latest version of Big-Sur installed on my mac. How can I re-download Big-Sur to create bootable usb for Mac? [duplicate]

Sorry for the mistakes -if any- on the title. I have problem. I have a 2015 model macbook air a1465. I will change the ssd. Before that I want to make a bootable usb mac Big-sur. For that I tried to ...
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1answer
25 views

External Drive not showing up, light blinking, iMac

External Drive disconnected during backup but now it won't show up again. The light keeps blinking. How do I fix this problem? What I tried and didn't work: New USB cable Connect it to a different ...
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USB-C port faulty (MacBook Pro 2019)

MacBook Pro (16-inch, 2019) 2.3 GHz 8-Core Intel Core i9 16 GB 2667 MHz DDR4 AMD Radeon Pro 5500M 8 GB USB-C > ethernet : Hyper Drive GEN2 12-in-1 USB-C USB C Hub 8 in 1, uni USB-C Hub Anker USB ...
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1answer
61 views

Use an iPhone 6 as a monitor for a Raspberry Pi via USB

I recently bought a Raspberry Pi 3 B+ but don't have a monitor to go with it. I know i can use my iPhone as a monitor with VNC Viewer but i don't really want to use that. Is it possible to use an ...
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1answer
22 views

Cannot mount remote USB drive over network after installing network switch

My previous home network setup was MBP into the single GbE port on my wireless router, a Mac mini into the 10/100 port. Both talked perfectly to each other - both are running 10.15.7 The Mac mini has ...
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OSX “install to usb” wont reboot to usb during install

Trying to install OSX High Sierra on an external USB drive. (I know. Old OS) During install, the mac says it needs to restart. When it restarts, it defaults to booting from the MAC, not the USB drive. ...
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1answer
48 views

How to determine if a USB-C power bank can charge my macbook?

I am starting to realize that I may need my MacBook battery to last longer while I am outside without having any power socket available. My MacBook has a USB-C port used both for charging and for data....
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1answer
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Terminal command ls/cd not opening external usb drive

I have a usb drive that I can access via Finder and rStudio but I cannot open the drive via Terminal to analyze its contents. I can see the usb drive name when I enter cd /Volumes && ls but ...
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1answer
41 views

What type of cable can give the highest data transfer rate for an iPhone 5s?

I have an iPhone 5s and a 2020 Mac mini with Two Thunderbolt / USB 4 ports with support for: DisplayPort Thunderbolt 3 (up to 40 Gb/s) USB 3.1 Gen 2 (up to 10 Gb/s) Thunderbolt 2, HDMI, DVI, and VGA ...
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iPad won't connect to Lumix camera

I have a new iPad Air (4th gen), and a Lumix GX9 digital camera. The first time I plugged the camera into the iPad using a USB C to USB Micro B cable, they immediately connected and I was able to ...
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2answers
82 views

How to format a USB drive and increase its available size?

I have a 32 GB USB flash drive which is currently formatted to 261 MB: How can I reformat/erase that USB drive so that I access all 30.75 GB of it? Disk utility won't let me change the size of the ...
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Mac mini (2018) Macmini8,1 Linux usb-c will not recognize certain usb device types

The Mac mini (2018) Macmini8,1 is running Linux with rEFInd. The mini has 2 usb-a 10 Gb/s ports, and 4 usb-c 10 Gb/s ports Problem: On usb-c ports, "dangerous" devices are not recognized by ...
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ExFat usb hdd do not appear in disk utility or in /dev/disk*

I have to MacBooks (both on 10.15.7): MacBook Air 2015 year MackBook Pro 2018 year And two HDD drivers: ExFat Mac Journaled And Mac Journaled works perfectly with both MacBooks(which means that ...
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1answer
25 views

How to change USB scheme when making bootable Catalina installer?

Background: Upgraded to Big Sur on 2020 MacPro (not the one with M1 chip), hate it, trying to revert to Catalina using a USB bootable installer (followed instructions given at the Apple website How to ...
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1answer
71 views

How to create a bootable USB Drive that will boot on BOTH an Intel Mac and a PC

I recently created a bootable USB Thumb Drive containing a Linux Live Distro. I created it on a PC running Windows and tested it successfully on the same PC. Now I want to run the same Linux OS on my ...
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135 views

Wireless headphone experiences audio interruptions when many devices are connected to Bluetooth. Can I use two HCI controllers on my iMac?

Computer: iMac (27-inch Late 2013). OS: macOS: 10.15.7 I need to connect 3 devices (magic keyboard, mouse and trackpad) to the internal Bluetooth module and 1 device (wireless headphones) to an ...
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1answer
37 views

Connecting USB-C iPad Pro to Xcode and USB Peripheral

I am trying to connect my third generation iPad Pro to my Mac through USB to communicate with Xcode (I am aware network debugging is an option but I am looking for a wired solution) while also having ...
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1answer
80 views

Connecting MacBook Pro Retina late 2013 with Thunderbolt 2 ports to USB-C hub

Can anyone confirm that if I purchase Apple Thunderbolt 2 adaptor I can connect my MacBook Thunderbolt 2 port via Thunderbolt cable to adaptor and then connect to USB-C hub. Will it provide power to ...
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1answer
124 views

Why does my Logitech C920 camera turn off and on again during recording with Photo Booth?

I have a Logitech C920 external webcam connected to my MacBook Air (13 inch, 2020) via a USB Type-C Hub. I've been using it successfully to record videos using Photobooth until couple of days ago I ...
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1answer
134 views

Thunderbolt and USB logo on screen [closed]

I was trying to refresh my MacBook Air because I had just purchased a veikk A15 pen tablet and was trying to connect it to my MacBook Air. The instructions told me to refresh my MacBook Air and so I ...
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29 views

NEC Multi Sync PA302W monitor not connecting after most recent Big Sur update

I have a late 2018 Macbook Pro with four USB-C ports. I have used an NEC Multisync PA302W monitor with my Macbook Pro for the last year and a half. This monitor is connected via a Displayport to USB-...
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1answer
22 views

USB Device (Camera) Was Connected, but I choose to “Do Not Do Anything”, Cannot Get It To Show Now

I connected my cannon Vixia HF R70 Camera to my mac. I am running Mac OS 10.15.7 (Catalina on a Mac Book Air) It is a standard USB A connector cable. I was prompted with a window on what I want to ...
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1answer
36 views

Can a Thunderbolt 3 (usb-c style) to Thunderbolt 2 (mini-DP style) adapter work in reverse?

I have a mid-2015 Macbook Pro running Catalina (10.15.7). (2.8 GHz Quad-Core Intel Core i7, AMD Radeon R9 M370X 2 GB, Intel Iris Pro 1536 MB) I have an Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 ...
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1answer
112 views

Why isn't Startup Manager showing Ubuntu Netboot USB - mid 2010 imac 21.5"

Apologies if this question is inappropriate for this forum I am not sure whether I should be on the Apple or Ubuntu StackExchange. I am trying to turn an iMac mid 2010 21.5" into a home server by ...
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26 views

Successfully installed macOS Sierra on USB flash drive, now what?

My mid-2015 MacBook Pro crashed. I replaced the SSD with an Aura Pro X2, but I was not able to install macOS Sierra to it, but I was able to install macOS Sierra to a 16GB USB flash drive. But now ...
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43 views

Disk not formatted for GUID Partition. Use Disk Utility to change the partition scheme

I have a 16GB USB flash drive and I am trying to Reinstall macOS Sierra onto to it. It keeps telling me it is partitioned for GUID, when I go select GUID Partition Map Scheme. On a hunch I use Mac OS ...
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2answers
54 views

Connecting two MacBooks over USB-C for transferring video signal from one to the other

I have two MacBooks (a Pro and an Air). Both are modern and have USB-C. I would like to run the video output from one MacBook into the other, using USB-C, and then use the second Mac to stream the ...

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