Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

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14 views

Most keystrokes on my Microsoft Sculpt Ergonomic Keyboard are ignored

I am trying to get a Microsoft Sculpt Ergonomic keyboard to work with my MacBook Pro and while I found a couple of posts on similar issues, none of the suggested solutions worked for me, so I am ...
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29 views

Ethernet-over-usb not working with usb-c to usb-c cable, working with adapter

I have an OTG device that exposes a network interface over USB-C, providing a DHCP server (think a raspberry pi or similar). When I plug it into my Linux computer (USB-A on the computer, USB-C in the ...
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29 views

Reviving unmountable & unformattable usb drive

I have a USB drive, which was a bootable Windows drive, which I seldom used. Recently I tried to format it, and it went corrupted (I hope). I'd like to find out if it's broken or not. I'd tried to ...
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USB drive disconnects by itself and doesn't reconnect until I reboot (2015 Macbook Air)

I have a USB drive which randomly disconnects. I would think that there is some hardware fault with the drive itself, but if I unplug it and plug it back, it doesn't reconnect unless I just rebooted ...
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Macbook Pro Early 2011 Thunderbolt to USB Solution

Both the USB ports on my Macbook don't work so I am seeking a solution. These Macs have a Firewire and Thunderbolt 2 port but I can't seem to find an Thunderbolt 2 to USB adaptors? Any solutions?
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Create an El Capitan rescue USB using a Modern M1 Mac

I am trying to rescue my dad's 2008 iMac. It is running Snow Leopard but the most recent OS it supports is El Capitan. It won't boot past a spinning progress bar on a grey screen, and will not boot ...
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Macbook Pro (Early 2011) USB Ports Not Recognised - Overcurrent Detected

I am repairing a friends Macbook Pro Early 2011. The HDD had failed and they were desperate to retrieve photos. I managed to do a deep scan on the HDD and recovered the photos to my NAS and I have ...
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Boot stick not detected

My company provided me with a secure boot stick from ECOS which shall boot Linux on any Mac or PC when plugged-in. However, my MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports, BigSur Version 11.2....
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Unable to playback audio from audacity via USB-C headphones

When trying to playback audio from audacity with USB-C headphones, the following message appears I don't want to change project sample rate, I need to playback what I have. Attempts to find working ...
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1answer
20 views

Connecting Asus ZenScreen MBC16 to Mid-2015 MacBook Pro

I bought this nifty Asus ZenScreen to have a second monitor on the go. What could go wrong, right? Well, everything it seems. I am running High Sierra (10.13.6). The ZenScreen takes USB-C input with ...
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2answers
52 views

Slow transfer between two external drives

Copying data to a USB external drive is much slower than expected. I have a 6TB external RAID drive that holds my photos, and I'm trying to do an archive copy of this data to another external USB ...
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All usb c ports are working flawlessly but charging keeps flickering on and off in irregular basis

This is a macbook pro 2018. All the usb ports are working with all other peripherals and the charger works also, but sometimes it keeps turning on and off (it keeps chiming to say it's charging, ...
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MacBook Pro (16" 2019) Does Not Recognize Correct Resolution

I'm having a rather annoying issue with my MacBook Pro 16" 2019 device since upgrading to macOS Big Sur. Every time I plug my device to my 4K monitor into the device (via USB-C to USB-C, or USB-C ...
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40 views

USB 3.0 hub connecting over USB 2.0; How to correct?

Issue: I have a couple USB-C 3.0 hubs, and a 2016/2017 MacBook Pro 13" [Fn-Key]. The first hub, everything connected over USB 2.0, so I assumed it was just a shitty hub, so I bought one from ...
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Modify keys on one keyboard (ish device) only and not on other keyboards

I got a three pedal foot switch USB thing. It works like a USB keyboard and the three pedals type out "a" "b" and "c" when I'm in a word processor. I could reprogram ...
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1answer
29 views

How can I create a BIOS USB stick for ASUS ROG Strix X570-F in OS X?

I need to install a new BIOS for my new motherboard ASUS ROG Strix X570-F here where I need USB flashback tool and BIOSRenamer. I need flash an USB stick and then rename the file somehow but the tools ...
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Boot Camp Windows 10 keeps disconnecting my USB mouse and keyboard

I recently downloaded Windows 10 on my 2016 MacBook Pro 13 inch using Boot Camp. My RK61 Bluetooth mechanical keyboard and my usb mouse works fine when I'm operating on macOS. But when I switch to ...
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Monitor with hub/dongle functionality

Attached a picture of my dongle which I use to connect peripherals to my macbook. A bit of a shame with my shiny/mate macbook pro. I'm looking for a new monitor and I was wondering whether there are ...
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iMac 2009 27 in used as display in target display mode from a new MacMiniM1 (2020-2021) [duplicate]

I would like to use the iMac 27 in 2009 used as display in target display mode from a new MacMiniM1 (2020-2021)/ The MacMini has a TB 3 / USB3(A) and a HDMI ports. The iMac a MDP Apple suggest to ...
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1answer
92 views

Does the USB-C Digital AV Multiport Adapter transmit 4K 60Hz signal from M1 MBP?

I have a 13" 2020 M1 MacBook Pro (MBP). I'm currently experiencing some issues with a third-party USB-C hub. I'm considering replacing it with a USB-C Digital AV Multiport Adapter. The page for ...
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1answer
89 views

Can't boot from Big Sur installed on a USB

I'm trying to install Big Sur on a USB so that I can boot from the separate installation on the usb. Note, I'm not trying to create an installation USB. I followed the directions here and everything ...
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684 views

How can I tell if all USB-C ports on a 2020 M1 MacBook Pro are the same speed, or if one or more will be faster than others?

I'm doing some heavy copying of files, and wish to do it via the fastest USB-C connection possible. I tried holding option and clicking on the apple logo on the very top left, then going to System ...
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92 views

How can I connect to an external monitor and charge my Macbook Pro with one wire?

I have a 2020 Macbook Pro (with the M1 chip). I also recently got an ASUS ProArt display which has an HDMI port, Display Port and some USB ports. I wanted to see if it's possible to connect the ...
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46 views

Erase device history on a Mac

I've seen multiple software tools for erasing any history of external devices on Windows -- USBDeview, and USB Oblivion, in particular. In other words, after using this software, there is no way to ...
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41 views

USB drive (Fat32) stuck on read-only. Unable to erase or partition

I bought a SanDisk USB drive about a month ago. It's currently formatted as MS-DOS (Fat32), and it's stuck on read-only and I'm not sure how to fix it. (and there is no physical switch on the usb) In ...
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7 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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25 views

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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25 views

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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56 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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54 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
46 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
29 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
46 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
69 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
57 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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56 views

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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1answer
40 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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3answers
94 views

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
51 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
180 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
66 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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390 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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102 views

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
32 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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19 views

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
26 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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