Devices that use the Universal Serial Bus data interface

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6 views

Reinstalling OS X on old MBP. Tried Internet Reinstall and Newer OS X USB Install

I have an old Macbook Pro running OS X Lion that has been completely wiped. I want to reinstall OS X. I first tried going into Recovery and using the Internet Reinstall, but the download/install ...
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22 views

Time machine backups on a USB HDD show as “Other”

As the screenshot shows the TM backups are listed as "Other" in the storage overview. The actual backups are shown taking measly 131 MB. The disk is used exclusively for backups and has no other data ...
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1answer
33 views

Why is my USB drive suddenly read-only and how can I make it read-write again?

I have a 1 TB USB drive. I've been using it for months. My main iTunes library is on it. As of yesterday, for no apparent reason, it has become read only. I can't open iTunes. I also tried ...
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0answers
82 views

Trouble installing OS X Yosemite (using bootable USB) onto MBP'12 w/ wiped HD

I erased the disk on a MBP ’12 running Mountain Lion before upgrading to Yosemite. So I erased the “Macintosh HD” using Disk Utility and now I’m at the “OS X Utilities” front-window in recovery mode. ...
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1answer
32 views

MacBook Pro USB Ports Only Work With External Hard Drive

I have a 2012 Macbook Pro. In January 2014 (9 months ago), both USB ports stopped functioning--except that both still recognize my Seagate Backup Plus portable drive. I have continued to back up my ...
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3answers
32 views

Increasing USB port Power Output

I have a new (2013) 15" Macbook Pro. The USB port provides 500mA which is not good enough for many devices I use (Hard Drive, 3G Dongle...) Reading this article: http://support.apple.com/kb/HT4049 ...
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36 views

Toshiba 2TB External Drive Stopped Being Recognised

After a lot of searching on the internet I have been unable to find a solution to my problem. There are many people having similar problems, but no solution seems to work for me. I have a 2013 ...
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2answers
30 views

Does a driver exist to step up a PC USB 3.0 port to charge an iPad at 12W?

The iPad Retina requires 12W to charge. It appears the Mac has special non-usb-standard drivers that step up the USB 3.0 port to provide the extra power for charging. My question is: Does a driver ...
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0answers
17 views

How to use an external disk to boot to Windows?

I want to be able to boot into windows. I only have 256GB on my Mac, and my current windows C: drive has over 112 GB in it used. So I would like to keep the on-board SDD free for OS X. Is it possible ...
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28 views

SSH to device via USB

When I try to SSH over USB to my device running linux, I get "ssh: connect to host 10.90.1.2 port 22: Network is unreachable" Mind you, I can run the same command "ssh root@10.90.1.2" on my linux ...
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72 views

Install Windows 8.1 and OS X 10.9 on external SSD USB3.0 (iMac Late 2012)

Good morning, Currently I have my iMac running OS X 10.9 on an external USB3.0 SSD drive, and it has been running flawlessly. My question is: - Is it possible to dual-boot Windows 8.1 in the SAME ...
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2answers
34 views

MacBookPro10,1 goes to gray screen when a USB is inserted

This is a follow up to my other question. Now the problem is sometimes when inserting a USB stick, the computer freezes and goes to a complete gray screen(kernel panic). It seems to only happen if ...
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1answer
40 views

Mouse disconnected after booting

Everytime I boot up my iMac (OS X 10.9.3) it doesn't find my mouse. If I unplug the mouse and reconnect it after around 20 seconds, it works. It's an USB mouse. Every other USB device works fine. I ...
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1answer
25 views

can't connect two hard-drives to my airport

I have two seagate usb 3.0 4tb drives full of music that I want to access wirelessly. I have my Bites USB 3.0 hub powered by DC 5V cord. I want to connect these to my airport extreme (5th gen), but ...
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1answer
61 views

Bootcamp Macbook Air thinks my USB 3.0 ports are USB 2.0

I recently installed Windows 7 via bootcamp on my new Macbook Air. I have a Seagate USB 3.0 drive that works great in OSX but behaves strangely in Windows. Windows recognizes that it is a USB 3.0 ...
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1answer
42 views

Format usb drive (dmg is on - and show read only)

I have a problem to format/erase an usb drive with mac os x on it. It shows that drive is read only. Is there any way that I can format/erase disk to become writable?
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31 views

RS232 adapter connected to Macbook Pro Retina wrongly shows sine wave on output pin

I am trying to connect my Macbook Pro Retina through serial port to an old multianalyzer. I am using USB to RS232 adapter (tested MOXA and FTDI) to connect to it. The problem is, that the transfer ...
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0answers
15 views

Must unplug and replug in USB NIC before it will work

Relatively new to the world of Mac (few months now) and have a Cable Matters USB wired NIC. WiFi on the mac turned off during all of this. If I reboot my mac with the USB device inserted (and cable) ...
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4answers
899 views

Is there a way to find out when a USB flash drive has been last used (on any computer)?

I have a USB flash drive and I believed someone else may have plugged it in their computer and copied some files. Using my Mac, how do I know when was the last time my usb flash drive was plugged ...
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12 views

External USB CD/DVD drive using wrong firmware -

I purchased 2 identical (presumably) external drives from Amazon (http://www.amazon.co.uk/gp/product/B009PG4NA8/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1). One of these drives works, it shows ...
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47 views

An external hard drive isn't recognized

Once I ejected an external hard drive incorrectly for some reason and from that time on it doesn't get recognized by my Mac so I can't see it plugged in at all (there's no sign in Finder that it's ...
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2answers
124 views

Western Digital Passport Drive Shows up on Old 2009 MacBook Pro, but not my new one

I just bought a new MacBook Pro to replace my old 2009 model. For some strange reason, the external Western Digital Passport Drive I've used for Time Machine on my old Mac doesn't seem to work on the ...
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1answer
35 views

dd ruined my USB stick, how do I recover?

I tried to copy a Linux distro over to my USB using DD. But half way through it failed because the computer went to sleep or something. I plugged the USB in and I get a message saying it's unreadable ...
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63 views

USB Flash Drive not showing up

I was using a usb flash drive to make a bootable bootcamp Windows 7 install disk. However, I tried to format it and could not, so I decided it was a good idea to manually delete the files inside. Now ...
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1answer
163 views

OSX disable wake on USB

Recently I've obtained a trackball, and I'm trying to use it with my Mac Mini running 10.9.5. The trackball is plugged in via USB port. The ball is rather sensitive, so it picks up very small ...
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1answer
74 views

Prevent iPhone “Trust this computer” on work PC

I would like to charge my iPhone using a USB plug on my Windows PC at work. However, any time I begin charging with the phone unlocked, it prompts me: Trust This Computer Your settings and data ...
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1answer
62 views

2 external USB monitors on MacBook Pro

I have a new macbook pro, got it in january of 2014. I am trying to connect 2 USB ASUS MB168B monitors via the separate USB ports on my macbook pro. One will load up and they other one goes black. The ...
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0answers
24 views

How to share Ethernet Internet to Android phone?

I have installed Horndis driver on my Mavericks and my phone is displayed in Network preferences. The issue is I can't get access to internet. I shared Ethernet connection (from Sharing preferences) ...
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0answers
17 views

Create Mavericks bootable USB under Windows for MacBook Air [duplicate]

After experiments with my macbook air, I have clean hdd drive without any OS on it completely (nor recovery partitions). How can I create bootable usb flash drive to install mavericks back to my ...
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35 views

Lacie petitekey write protected

I have a Lacie petitekey, and when I use it with my mac configuration (10.9.4) it says that the key is in read only. I cannot format it as well, so I cannot really use it anymore regarding that it is ...
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1answer
53 views

kIOUSBEndpointCountExceeded error when plugging in USB device

I keep a lot of USB devices plugged into my 15-inch Mid 2012 MacBook Pro for my job. This MacBook Pro has 2 external USB ports. In one is for a laptop fan, and the other is a USB hub which has ...
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267 views

Mac alternative boot loader for booting legacy OS from USB

I am trying to install Windows 7 on my MacBook as a dual boot setup. I have a MacBook 7,1 running Mavericks. I have replaced the DVD drive with a SSD (now have 2 internal drives) so cannot use a ...
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0answers
34 views

Used DiskMaker to create bootable USB, got error 10600, USB won't mount

I tried creating a bootable USB for Mavericks. Downloaded and used DiskMaker X. Got an error, -10660, and the app closed. Now my Mac won't mount (or recognize) the USB drive. It doesn't show up in ...
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1answer
35 views

Applications and preferences on USB drive

Is it possible to have applications, plugins and preferences installed on portable media such as USB drive? I have two identical computers, one at work and one at home, and I'd like to have the exact ...
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0answers
27 views

11" Air Regularly Loses Power to USB Ports

Lately, my 11" Air has been sending very little power to the USB ports on a regular basis. A restart always solves the problem, and I haven't yet detected a pattern to when it happens, other than that ...
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1answer
3k views

Create bootable USB of Windows 8.1 on Mavericks 10.9.4

I've followed the instructions to enable the "Create windows 7 install Disk" in bootcamp but I am attempting to install Windows 8.1. How do I force bootcamp to allow me to create a windows 7 or later ...
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0answers
60 views

Create bootable USB of Ubuntu on Mac for a failed partial ubuntu install

So I have 3 computers at my disposal, and would like to wipe my failed partial ubuntu update on COMP1 (which is also locked out from incorrect logins) (originally 12.04, failed partial of 14.04) and ...
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0answers
104 views

Brother HL-1440 Disappears From Mavericks

I'm using OS X 10.9.4 and I have a Brother HL-1440 that I've been using for years, even before I was using an iMac. It's been a real workhorse and doesn't show signs of failure mechanically (it's ...
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1answer
1k views

How do I create a Mac bootable USB drive using Windows?

My MBA 2012 with OS X 10.9.4 Mavericks won't boot anymore - it simply freezes after the initial jingle. I already tried resetting NVRAM and SMC, but to no avail. I don't have any time machine backups. ...
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1answer
145 views

How can i initiate os x installaion from a dmg in windows on a Mac?

I'm on a mac book pro and i have a working bootcamp partition with windows 8, and a damaged mac os x 10.10 beta partition, the problem is that i can not boot with the mac partition, and in order to ...
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1answer
521 views

“The disk you inserted was not readable by this computer.” How do I access info on USB flashdrive?

Same message with other computers. Worried that I may have ejected incorrectly. Is there a way to retrieve the information on my USB flashdrive?
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1answer
29 views

Boot off of USB drive problem - new iMac

how can i boot off of usb disk to install snow leopard onto new iMac that has mavericks installed
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1answer
60 views

How can I use 2 USB Headsets on one Macbook?

I homeschool my daughter and she takes several complex online classes. The teachers want me to be able to listen in and also be able to talk from time to time. I tried going without a mic, but there ...
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2answers
115 views

Do third-party USB ethernet adaptors work in Macbook Pro Retinas?

There seems to be conflicting information on the web, so I wanted to check if there are any problems buying a third party ethernet adaptor (eg this one). This is for a current (mid 2014) 15" rMBP. ...
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0answers
31 views

Modifier Keys Across USB

Does anyone know of a way to get modifier keys to work across USB devices in OSX? I have a USB footswitch that sends a left control key. It sends the signal as expected but does not register ...
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0answers
6 views

Optical usb mouse is not responding [duplicate]

I got a optical usb mouse and i plug it in my macbook pro. I could see the light of my mouse but i could not move the courser in the screen.
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2answers
96 views

Error trying to make bootable Mavericks USB drive

MBP 5,3 running 10.9.4 trying to make a bootable USB 2 drive b/c my wife's HDD on a similar MBP failed. New drive in the mail. I tried using a 4-5 yr old Lexar 8GB and got this vague error. Since I ...
2
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1answer
414 views

Thunderbolt SSD or USB 3 SSD - Need an external SSD drive

I'm planing to get an SSD(500GB) probably Samsung EVO or Corsair(LS,LX,GT) & seagate thunderbolt adapter for my macbook pros' 2011 and 2013 Retina. ⌘ - I've already upgraded my 2011 MBP with ...
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0answers
12 views

External drive in constant use the moment a track from it is added to iTunes

Adding tracks to my manually managed itunes library takes ages. I've noticed that the drive goes into a "constantly-in-use" mode (from the blinking led and spinning noise) the moment I drag a track ...
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23 views

Cardbus USB 64bit drivers

Are there any Cardbus expresscards with USB 2.0 or 3.0 ports (one or more) that is compatible with the current Mac OS X (Mavericks 10.9.4)? This most likely mean the card has 64bit kernel drivers. ...