Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

0
votes
0answers
11 views

Emulate Keyboard from PC

I would like to emulate a keyboard from a raspberry pi or a Linux/Windows machine. It would be also ok to have a python library to send keys/keystrokes. I know there is a lighting to USB adaptor, so ...
0
votes
0answers
12 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 ...
-1
votes
0answers
27 views

Has anyone tried wrapping Al foil around USB 3 cables to reduce interference w Bluetooth? [on hold]

Has anyone tried wrapping Al foil around USB 3 cables to reduce interference w Bluetooth? Ground both ends and it should make a pretty good Faraday cage. Frequency may be too high though. Mac Mini ...
1
vote
1answer
24 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 ...
2
votes
2answers
33 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 ...
2
votes
1answer
10 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 ...
3
votes
0answers
17 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 ...
2
votes
0answers
10 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 ...
0
votes
0answers
16 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 ...
1
vote
1answer
24 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
votes
1answer
41 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?
0
votes
1answer
25 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
votes
1answer
27 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 ...
0
votes
0answers
21 views

Time Machine says “not enough space” but there is (USB connected drive)

I read the thread for a large network-connected drive but I think it did not answer my question. MacbookPro (23 inch, 2017) with 10.13 uses an external drive for backup. The computer has about 90 ...
0
votes
0answers
10 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 ...
0
votes
1answer
25 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), ...
4
votes
2answers
99 views

Transfer files to iPad via USB from Android

I'm sure this question has been asked many times but I find it surprisingly hard to find a clear answer on the internet by searching it. Is it possible, yes or no, to transfer files to my iPad with a ...
4
votes
0answers
35 views

Why does my Time Machine external drive unmount overnight after upgrade to Mojave?

I use a LaCie Quadra RAID drive as my Time Machine drive. It's directly connected to the USB socket on my iMac (Retina 5K, 27-inch, Late 2014, macOS 10.14.1). It's been fine for years. It may be a ...
3
votes
2answers
72 views

Does Thunderbolt 1 provide USB (3.0) functionality?

Does Thunderbolt 1 provide USB (3.0) functionality? Or in other words: Is Thunderbolt 1 compatible with USB (3.0)? I have a MacBook Pro 13'', Early 2011 (MacBookPro8,1) and a Laptop Docking Station (...
0
votes
0answers
10 views

Docking station that supports both USB-C windows laptops and current Touch Bar MacBook Pros for Dual display output

I have been asked to look into docking station solutions for a dual 27-inch display setup, that supports both current generation Touch Bar MacBook Pros, USB-c windows laptops (lennevo thinkpads)and ...
2
votes
1answer
32 views

iPhone 7 won't charge consistently from MacBookAir 2015

I've had my MacBook 11' 2015 Air since July 2016 and my iPhone 7 since April 2017, and my phone never had any issues charging on my Mac. I'm not sure when it started, but at some point both USB ports ...
1
vote
0answers
12 views

How to get Mediatek MT7601u working on 10.13.6?

My 2011 MacBook pro has a broken WiFi card so I have been using USB dongles instead. My previous one stopped working so I have been trying to get a Mediatek MT 7601u working. This MacBook Pro is ...
1
vote
1answer
37 views

What is the character limit for an encrypted USB drive password in Disk Utility?

Is there a character limit for an encryption password when formatting a USB drive as Mac OS Extended (Journaled, Encrypted) in Disk Utility? I was able to use a very long 65-character password but was ...
0
votes
1answer
28 views

booting linux from external drive on mac

I had Linux installed on USB using pure EFI boot. I had been using this tutorial. Everything was working flawlessly to the moment of installing Windows using Mac Boot Camp. Now I don't see the EFI ...
0
votes
1answer
39 views

Can't write to my FAT32 USB drive on Mac

I can't write to my USB on MacBook Pro. The USB was working well on both Windows and Mac until it stopped working on Mac suddenly (it's working well on Windows though). I reformatted it as FAT32 and ...
1
vote
0answers
30 views

iMac hard freezes intermittently after booting off an external SSD

I have hooked up an external USB3 Samsung T5 SSD to my iMac model iMac14,2, formatted it as APFS, and installed macOS High Sierra on it, to use as my primary system drive. I can use the system for a ...
1
vote
2answers
36 views

Connect two USB-C displays to MacBook Pro 15" 2018 [duplicate]

is it even possible to connect two USB-C displays to one MacBook Pro 15" 2018? Seems like MacOS intentionally shuts down one of them. I'm a bit puzzled why..
0
votes
0answers
109 views

How do I make a USB windows bootable on a Mac?

I have been picking away at this all day - it has been a while since I've felt this stupid. It used to be easy (bootcamp, several apps), but everything now seems to fail - my guess is it's partly ...
0
votes
1answer
12 views

Format Linux partition USB SD

I have a Transcend SD Card 256GB I was installing CentOS in one partition of my SD Card, testing the OS in my MacBook Air. Now I can't remove the partition and restore my SD. sh-3.2# diskutil list /...
0
votes
0answers
31 views

MBP 2017 often has Wifi Problems if USB C Hub attached

Sometimes (if a USB-C HUB is present) my Wifi speed would drop to be unusable but I am still connected to the Wifi network and I am able to ping other services but the ping is always ~1000ms. If I use ...
1
vote
0answers
9 views

Is it possible to recreate the recovery partition in single user mode?

I was building a Franken MacBook Pro ~2012 from some old computer parts I had lying around. It is an old body that had HD issues, an HD from a MAC that was won't turn on due to a bad power button ...
1
vote
0answers
39 views

Should a USB Switch work with late 2018 Macbook Air

I have a UGREEN USB 3.0 Switch. It has 4 USB A sockets on one side and 2 on the other. Its point is to share the 4 things plugged in on one side with 2 computers. I've been using it with a 2014 ...
1
vote
0answers
30 views

Transfer files from a USB thumb drive to iOS

What is the easiest way to transfer files from a USB thumb drive to an iOS device? My current approach is to copy files to a Mac then airdrop the files. But this is unacceptable - my MacBook Pro is ...
1
vote
1answer
47 views

Can I use target disk mode using an USB 2.0 to Firewire cable?

Since the graphics card of my MacBook Pro from early 2011 is broken I need to save my data per target disk mode. This could be easily done using a FireWire or a Thunderbolt cable. But my problem is ...
1
vote
0answers
18 views

How do I mount a IDE disk connected with USB?

So I bought a USB device that I connect different HDD to. IDE and SATA. It has a built in molex power adepter. The device works when I'm connecting SATA devices. Photorec works like a charm on SATA ...
0
votes
0answers
68 views

MacBook Pro (A1278) USB port replacement

I want to replace the USB port on my MacBook Pro A1278 (late 2011). Since there are so many types of USB port with different casing / mounting builds: what's are the exact specifications I should ...
2
votes
1answer
36 views

External monitor connected via usb-c causes mac to not show low battery notification

I have a macbook pro 15 inch (2017) that I connect to a 32" external monitor via usb-c. Usb-c is also 'partially' charging the mac but not enough to fully charge battery since voltage from monitor to ...
0
votes
0answers
26 views

Time machine backup to a .sparsebundle on USB drive?

I noticed that when I migrated from backing up over USB to SMB that Time Machine started using sparse bundles for backup. I was unsuccessful in using this bundle as a backup drive when connecting to ...
1
vote
0answers
48 views

Macbook Pro 2018 cannot wake up Dell 2713h until unplugged

I have Dell 2713h that has been working well with miniDP <-> DP cable with my previous Mac (Early 2013). I got brand new Macbook Pro (2018) with only USB-C ports, got Unitek USB-C <-> DP ...
0
votes
1answer
53 views

Disk ejected but still show up in Disk Utility?

I have this external (USB) drive that can't seem to be disconnected correctly. Whenever I eject the drive, it won't disappear from Disk Utility. Afterwards when the drive gets re-connected again, it ...
0
votes
0answers
22 views

External USB Disk Utility Error when unmounting. POSIX reports: The operation couldn't be completed

I'm having trouble with an external USB. I can save files onto it, but as soon as I unmount it and remount it all the data disappears. I'm suspicious it's corrupted but would like try and fix it ...
0
votes
0answers
17 views

Attaching a HDMI screen to my Macbook interferes with Network access

I have a Macbook Pro and an USB-C Adapter where I can attach a HDMI screen. Without a screen attached: on the iPad remote I press the Play button turns green Once I press the Stop button the Play ...
3
votes
1answer
34 views

USB boot on mid 2010 Intel Mac mini

I have a mid 2010 Mac mini. I recently did an SSD upgrade in it. I tried using Internet Recovery to reinstall Mac OS X Lion (after which I am planning to upgrade further). However, the setup never ...
1
vote
1answer
37 views

Would the USB-C MacBook Pro chargers work with the new (Oct-2018) iPadPro?

I have been going through the newly launched iPad Pro models and noted that Apple has decided to put a USB-C port rather than Lightning, for charging. Would that mean that one could use the same (87W) ...
0
votes
1answer
11 views

How to see if MacBook Air is “talking to” USB to Ethernet adaptor (without an Ethernet device at the other end)?

I've been using an Apple USB to Ethernet adaptor plus a short Ethernet cable to connect to an Ether net device (Raspberry Pi in thins case). Normally when I connect the lights blink on the device and ...
0
votes
0answers
93 views

MacBook Pro 2018 with LG Ultra HD usb-c > DisplayPort problems

I have MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) all usb-c ports and I am using HDMI cable to connect it to my LG ultra HD monitor. The monitor is able to display 4k@60Hz. HDMI is working ...
0
votes
1answer
33 views

Meaning of “FD” in /dev/cu.usbmodemFD211?

Normally when I plug a CDC serial USB device, I get a device like /dev/cu.usbmodem1411. A remote user I'm supporting who's having difficulty with a serial device is reporting a device with FD in the ...
3
votes
1answer
61 views

Mac won't access 4 TB Seagate USB drive

I don't see it in Finder, I don't see it in Disk Utility. I don't see it in the system profiler. diskutil -list /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
1
vote
0answers
69 views

Multiple “Disk not ejected properly” messages during sleep

When I hook up a WD My Book 3TB external hard drive to my 2016 MacBook Pro via a third party USB-C to USB-A hub and let the computer sleep during the night, this is what I’m greeted with the next ...
2
votes
2answers
469 views

iPhone refuses to charge over USB cable with “Unlock iPhone to use accessories” error

iPhone 6s, iOS 12.0.1 Plugging the phone into a computer to charge produces an "Unlock iPhone to use accessories" message and the phone refuses to charge. How do I fix this nonsensical behavior? I ...