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Questions tagged [usb]

Devices that use the Universal Serial Bus data interface

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9 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. Tried on two different ports, both of which work with a thumb drive. All ports on this old beast are ...
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0answers
14 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 ...
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0answers
13 views

USB storage only write accessible after rebooting mac

Since a few days I got a delicate problem, hope someone can guide me to the solution: Here is what happened and what I have done: 1) Mac is on and running. Connecting a USB Storage device to one of ...
2
votes
2answers
136 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 ...
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0answers
6 views

Daisychaining adapters

I've got a Macbook pro with 2 thunderbolt ports. To one of them I've got a Mac HDMI adapter (one of these), to which I've got the power supply, an HDMI monitor, and charging my phone. To the other I'...
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0answers
24 views

How do I charge my USB-C device with my MacBook Pro?

I have a Nexus 5x (Android phone). It uses a USB-C charging cord. When I plug my USB-charging cord into my phone and into a PC I own, the PC charges the phone (as expected). When I instead insert the ...
4
votes
1answer
136 views

Test a USB-drive/SSD for bad sectors/blocks?

A pretty expensive (Samsung) USB-drive I have causes weird errors. The problem might be a computer I have connected it to (this computer's SSD broke down in a similar way) but to rule out that it is ...
0
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0answers
31 views

How to connect iPhone to USB Type-C Portable Monitor?

I'm trying to figure out a way to connect iPhone 5 (lightning) to ASUS MB16AC portable monitor with USB type-C input as only connector that at the same time serves as power supply. Thought about some ...
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0answers
12 views

Recovery USB doesn't work

I followed tutorial to create bootable USB stick with Mac OS Mojave and then from System Preferences --> Startup disk I selected USB drive and restarted my Macbook Pro and after boot I see:
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0answers
23 views

USB-C hub not recognized

I purchased two USB hubs from Chinese brand dodocool. One smaller without ethernet port and one bigger one with ethernet (DC50). The smaller one works fine on MacBook Pro 15 2018 - including HDMI. The ...
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0answers
73 views

Cannot install Mojave via USB drive on new 2018 MacBook pro

Hey I have a new 15" MacBook Pro with High Sierra installed. I want to do a clean install of Mojave. I have followed the instructions at https://www.macrumors.com/how-to/clean-install-macos-10-14-...
1
vote
1answer
23 views

Wireless mouse stopped working with monitor USB port

Setup: * MacBook Pro 2017 * Mojave * DELL U2717D Display * Logitech unifying receiver and mouse m705 Mouse & receiver work have worked for a year. I upgraded to Mojave 2 weeks ago, and it has ...
1
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1answer
113 views

LTE USB dongle Huawei datacard driver on macOS Mojave

Using a Huawei USB-stick for LTE connectivity there is a data-partition on the stick that automounts and offers the installation of a "Mobile Partner.app" software and some drivers in the form of ...
1
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0answers
21 views

Is there a 1 cable solution to connect 2 monitors in extended mode and charge a MacBook 15" at the same time?

What I'm trying to find is a hub which would allow me to achieve the following: using only 1 cable to the computer (thunderbolt or USB) charge a 15" MacBook Pro (85W) at full speed use 2 external ...
2
votes
1answer
26 views

Why do some accessories work with the Lightning – USB3 Camera Adapter while others don't?

Context I borrowed an iPad Pro to work on while my laptop was down, but without a physical keyboard, I found it frustrating to type anything more than a short sentence on it. After countless typos ...
1
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1answer
62 views

Macbook charging with USB-C Monitor

I have a Macbook pro 13'' 2018 model and a Dell 24 USB-C Monitor: P2419HC. Whenever I plug my screen to the laptop, the laptop charges. According to DELL website, the monitor provides 65W power. The ...
2
votes
1answer
14 views

Using USB ports for charging when MacBook Pro is not connected to power source and with lid closed

I remember than on older MacBooks, it was possible to charge any USB device with the lid closed and without connecting to a power outlet. However, at some point this has been disabled. I am currently ...
2
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0answers
19 views

Why do I have to disconnect/reconnect my ethernet adapter?

I have a DongleBook Pro and I use a powered 7-port USB Hub. Connected to the Hub is a backup drive, an audio interface, an ethernet adapter, and some other stuff. The only device that causes me ...
3
votes
1answer
69 views

How do I make an external USB bootable?

My main HD has 222GB in use, and is formated OS X 10.10 Yosemite (latest). I am marrried to 10.10, no time to upgrade. I bought a 256GB (244 reported) USB stick (Sandisk midrange, their $56 midrange) ...
0
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2answers
30 views

External display works on 30Hz

I have MacBook Pro (13-inch, 2018, Four Thunderbolt 3 Ports) with macOS High Sierra installed. I plugged it in to external display: LG 24UD58 24" via DisplayPort through USB-C For unknown reason ...
1
vote
1answer
20 views

Why do I have duplicate iPad USB network devices?

As you can see in the screenshot below, I have two network devices listed under Internet Sharing. Oddly enough, I do not however have two under the Network preference pane. Anyway, I was wondering a) ...
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0answers
75 views

Can't create a bootable USB for my MacBook Pro

I can't create a bootable USB for my MacBook Pro. I know all the steps. The only problem I have is that my main computer is running macOS 10.14 Mojave and I can't see to open any macOS lower than that ...
3
votes
2answers
263 views

2018 MacBook Pro + Dell U2718Q, single cable for display and USB data

Can I connect a 2018 MacBook Pro to a Dell UltraSharp 27 4K Monitor (U2718Q) with a single cable that carries both the display data and the data for the USB ports of the display? I tried a USB-C to ...
0
votes
1answer
19 views

USB storage not detected anymore

I have a USB key that was working and now cannot be mounted anymore. The device is detected but is not mounted. After a one minute or so it moves to not detected state. The command ioreg -p IOUSB -w0 -...
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0answers
28 views

Upgrade a USB install of Sierra to High Sierra. Possible?

I was recently given a Macbook Air 2012 with a malfunctioning SSD (common problem in this model -- SSD is recognized as 33 kB SandForce disk), so I decided to install and run macOS from a USB stick. ...
3
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2answers
59 views

How To Let My MBP know that a USB is bootable?

I have got Unetbootin and have put the files onto my drive which is properly formatted as MS-DOS(FAT) and GUID. I have several folders and files: [BOOT], boot, casper, dists, EFI, install, isolinux, ...
1
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1answer
233 views

Can I safely charge a Galaxy S9 with a USB-C MacBook Pro charger?

I have a Galaxy S9+ (with "fast charging"), which requires a USB-C charger. I also have a MacBook Pro with a USB-C charger. I am curious whether I can (safely) charge my Galaxy S9+ with my MacBook ...
1
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0answers
22 views

PCMCIA USB 3.0 card for Mid 2010 Macbook Pro

I had an 17 inch Mid 2010 Macbook Pro (MacPro6,1) that had 3 USB2.0 ports, and a 34PIN expressCard slot. I heard one way to get USB3.0 I/O for this machine is to use a USB 3.0 PCMCIA expressCard. ...
0
votes
1answer
17 views

connecting display with only usb-c ports to macbook pro 2014 (no usb-c ports)

I'm inspecting a 4K monitor that has USB-C port only. I'd like to connect it to macbook pro 2014, which doesn't have an USB-C type of port. I found some adapters that can convert between ports, but I ...
0
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0answers
21 views

External USB drives are permanently active, even when ejected

I'm using several external drives on my 2017 iMac 5K. Among them are two hard disks, one 2.5" with 4 TB and a 3.5" with 8 TB. On the latter I'm running Time Machine. Both hard drives seem to be ...
7
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2answers
164 views

MacBook Pro - how many displays, what resolution/frequency?

How do I find out the number, type, resolution & refresh rate of additional monitors I can attach to my MacBook or MacBook Pro? This is an attempt at a canonical QA to try prevent the myriad "...
1
vote
1answer
13 views

Unable to connect samsung galaxy S5 to mac

I'm no longer able to connect a Samsung Galaxy S5 to mac High Sierra! I used to use samsung Smart Switch app but after updating it I'm no longer able to access the phone. I tried different USB cables ...
0
votes
1answer
62 views

Missing Operating System

So I recently made a post about my Mac not recognizing USB's or Boot. here's the link : MacBook Wont Boot or Recognize USB. Anyway this is an update. So my 2009 MacBook is still not working. It doesnt ...
1
vote
1answer
62 views

What would happen if I plug in two USB-C power supplies into the same Mac? Would it charge faster? [duplicate]

I have a bunch of USB-C power supplies (some at different wattages). Would my Mac charge faster (or blow up) if I plug two power supplies into the same computer (different USB-C slots)
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0answers
9 views

AirPlay interfering with Apogee Duet Audio Interface on Mac

For the past few months, I’ve been having issues with my USB 2.0-powered Duet 2 audio interface. After a couple of minutes of use, the Duet will begin cycling on and off, causing the audio to cut out ...
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0answers
29 views

MacBook Wont Boot or Recognize USB

So I recently tried to downgrade to El Capitan from High Sierra using a bootable USB. All went well until I deleted the hard disk and the hard disk's volume which is a big no no. Afterwards I tried ...
0
votes
1answer
27 views

Why is macOS forcibly renaming my USB drive?

I have a USB Drive named "Cuthbert", and various apps use paths starting with /Volumes/Cuthbert when it is plugged in. However, my laptop is putting it at /Volumes/Cuthbert 1, and won't let me rename ...
0
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0answers
38 views

Connection of ESP32/ ESP8266 not recognized using MacBook Pro

I’m trying to connect those devices, with no success. When I’m using Linux machine I find at ‘/dev/ttyUSB0’. From googling around I understand it is a Mac issue. Appreciate any guidance
1
vote
1answer
26 views

Which 15 inch macbook with USB has the highest repair score?

I'm doing research into MacBooks and would like to pick the one which is easiest/cheapest to repair. Can someone point me to a list which has some metrics like "repair score" or reliability? I know ...
0
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0answers
14 views

Connect a wired keyboard to iPad mini 2

I recently found out that you can connect a wired keyboard to your iPad mini 2 using the Lightning to USB adapter. But unfortunately here in Vietnam, that adapters price is very high. So I was hoping ...
1
vote
0answers
19 views

Work computer, windows 10, no iTunes, stop iphone pop up “allow this device…” [duplicate]

Windows 10 Professional (10.0.17134.228) and iPhone 6 (iOS 11.4.1). iTunes is not installed, can't have it, and don't want it. (Work computer) Under: C:\Program Files\Common Files\Apple , there is ...
2
votes
1answer
80 views

External Windows bootable drive freezes boot screen

I installed Windows on a 128 GB USB drive to run on my 2017 MacBook Air. I boot into it by plugging in the drive, holding Option key and select the Windows drive. It worked really well. Yesterday, I ...
0
votes
1answer
28 views

12V - 0,67 A USB Wall Charger for iPod Classic

I have a vintage iPod Classic 2004: I want charge it with my 10W iPad Pro charger and an USB A -> 30-pin old Apple cable. However, it not charged and started to showing Apple logo in a loop. It ran ...
1
vote
1answer
36 views

PlantronicsHub and a major memory leak

I’ve noticed that process SpokesUpdateService is promoted to the top of my Memory list. Here an example which I captured today (just 24hrs after my last reboot) but on the other day I’ve seen 2.4 GB ...
3
votes
2answers
323 views

Reinitialize third party keyboard

Is there any way to reinitialize an external third party USB keyboard? I hit a wrong key after MACOS detected the new keyboard hardware. Now, my keymapping is not correct. I need to remove or ...
1
vote
0answers
53 views

Wifi Adapter driver issue

Recently i've encountered wifi issue on my Macbook pro mid 2009 currently OS X 10.11.6 El Capitan so I bought external Wifi USB adapter but it is not working because of driver trouble(I installed ...
3
votes
1answer
27 views

What is normal for startup chime till Apple logo shows?

My late 2015 iMac recently started taking a very long time to go from the startup chime till the Apple logo appears - about 2.5 minutes. Between the chime and the logo, the screen was black. After ...
1
vote
1answer
45 views

Using Apple Remote Desktop to view External HD files

Can I have my Macbook Pro offsite access my other Macbook Pro at home using the Apple Remote Desktop? (Or if you know of another better way to access, let me know.) If so, can the Macbook Pro at ...
0
votes
0answers
11 views

Installing High Sierra on an Early 2013 Macbook Pro - Keyboard Doesn't Work

After downloading High Sierra on a Macbook Pro 15" Mid 2015 model and using Install Disk Creator to create a High Sierra install USB I've run into a problem I can't figure out how to solve. I start ...
0
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0answers
440 views

MacBook Pro 2018, 15" no external devices when booting

My MBP 2018 15" is not showing any external devices when booting with Alt/Option key. I went to Recovery Mode -> Startup Security Utility -> External Boot -> Allow booting from external media, but no ...