Devices that use the Universal Serial Bus data interface

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3
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30 views

Software-only way to disconnect and reconnect a USB device?

I have a DisplayLink 3rd monitor on a Mac Mini. Half the time I wake the computer up, the DisplayLink syncs but the graphics onscreen are garbled. Reaching behind the computer and ...
3
votes
0answers
182 views

Extremely slow write speed to encrypted drive on Mavericks

Writing to a fully encrypted USB flash drive on Mavericks is extremely slow. The drive model I used for testing was a Kingston DataTraveler Ultimate 3.0 G3 (64 GB). I tested transfer speeds by ...
3
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0answers
143 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
2
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0answers
302 views

USB hub disconnects from Mac Pro occasionally

I have a 2013 Mac Pro (cylinder version) running 10.9.2 and I'm using a Monoprice 24-port USB2 hub with it. About once a day for the past few days, the hub has fallen off the USB bus, along with all ...
2
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0answers
144 views

How to Disable USB Auto-mount

I use VirtualBox on my MBP and often need to mount my USB flash drive inside the guest. The problem I'm running into is that the host OS (OS X Mavericks) immediately mounts the USB flash drive when I ...
2
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0answers
65 views

Macbook Air Logitech K120 USB Keyboard auto remapping problem

I'm having an issue with my 2013 MacBook Air. From day one, I've been using my Logitech K120 USB keyboard with it, and it worked flawlessly from first plug, no problem at all. I've been a month away ...
2
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0answers
123 views

Turn iPhone into Dumb USB Drive

I am looking to turn my iPhone into a standard USB drive that will work with any device that accepts USB (for instance plugging into a TV). I do not mind completely killing the iOS firmware on it (I ...
2
votes
0answers
108 views

Boot Linux from USB drive

I've installed Fedora on a new SATA SSD drive for my MacBook Pro, and when installed into the laptop, it boots perfectly (and runs wonderfully!). However, I want to boot from it externally until I'm ...
2
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0answers
268 views

How do I write-protect a partition of a USB drive on OSX that can work cross-platform?

I bought a bunch of USB sticks that I want to give as a gift to friends and clients, with some files on them. I'd like to have the files non-erasable (though I realise they can format the drive, I ...
2
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0answers
350 views

Problems installing Lion onto a USB drive

I'm having problems installing Lion onto a USB drive. On a Lion MacBook Pro I saved the 'Install Mac OS X Lion.app' application, ran it and selected the USB drive as the destination of the install. ...
2
votes
0answers
163 views

How do I format an encrypted Integral Secure Key?

I just bought an Integral Secure Key from the Apple store but am fed up with having to use its own software just to transfer files to it as it does not appear as a normal USB drive in Finder. How can ...
2
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0answers
210 views

Is there any neglible impact on USB read/write speeds using MBR/NTFS vs. GPT/HFS+ in OSX?

I have a 3 TB External Hard-drive, however, it was previously used with a Windows desktop and uses an MBR partition table and the single partition is using NTFS. As a result, I've been using various ...
2
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0answers
429 views

USB drive won't mount

I'm having a problem with a USB thumb drive that I used to be able to read and write to with no issues. On two different Macs: MacBook Pro and iMac, it doesn't mount. It doesn't even show up in ...
2
votes
0answers
144 views

Multiple monitors get mixed up

I am on OSX Lion, with a MacBook Pro. I am using the DisplayPort for an external monitor and two USB Diamond BVU195 for two extra monitors. Each time when I turn my computer on, the two monitors get ...
2
votes
0answers
383 views

Umount Gamepad under Mac OS X

I can plug in my gamepad controller and usb probe shows me, that it is recognized. I want to umount it, so that I can use it under the Virtualbox. Where does Mac mount USB devices such as a gamepad. ...
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0answers
12 views

Can a mac do a bitwise copy of a USB disk with proprietary disk format?

I have a USB disk with a propietary format that I want to bitwise clone to a new identical drive. I have CCC but the disk doesn't show up in Finder. It does appear in Disk Utility. I tried ...
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0answers
14 views

Lacie Porsche not working on MBP 15"

I've bought a Lacie Porsche usb key two weeks ago and it used to work well but now I can't mount it on my MBP, it's not even detected by the system profiler... But it works well on a friend MBA or ...
1
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0answers
58 views

Sound card (Audionengine D1) not working on new MacBook Pro Retina

My soundcard (USB DLC Audioengine D1) is not working on my new MacBook. My old MacBook Air from 2012 has no problem with it. When plugged in the device, I get this weird error in the Console. Looks ...
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0answers
34 views

Why does USB audio out mute after about 1 minute?

I am seeing the following behavior on a MacBook Air and an iMac. We have external speakers set up that we connect to via USB > external sound card > speakers. When we initially connect, the audio ...
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0answers
54 views

USB Headset - Works on Macbook, not on iMac

I have a Rosewill USB headset (http://www.thinkgeek.com/product/f39e/) that works well with my Macbook Pro but not in my new iMac. Macbook is a Mid 2010 running 10.9.1 When I plug it into my ...
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0answers
33 views

Acceptable and unacceptable speed for an external USB disk

I think my external HDD is running way too slow but I am not sure. Using XBench I get the following results: Seq: Uncached Write 0.79 0.49 MB/sec [4K blocks] Uncached Write 0.21 0.12 MB/sec ...
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0answers
103 views

Supply extra power from the iPad's USB host adapter

The Apple Camera Connection Kit as well as many third-party adapters allow one to use many USB devices with an iPad. But most of these devices draw more power than iOS will provide. Of course the ...
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0answers
30 views

MacBook Air is slow after inserted and removed USB audio player

I have a first generation MacBook Air. I plugged in a USB memory stick, which is actually a 2 GB MP3 player but serves as a memory stick as well. Finder never shows the content of the memory stick. ...
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0answers
54 views

“Eject” USB device (non-HDD) from OSX?

I have a Cyberpower UPS connected to my system using USB (for power management). Sometimes I want to have this device accessible from within Windows 7, which is virtualized in VirtualBox. VirtualBox ...
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0answers
93 views

USB Audio Adapter for Bluetooth Headset

I have a bluetooth headset that works on phones and ipad with excellent audio quality. It works with the Mac mini too but the audio quality is awful for both headphones and the microphone (I've tried ...
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0answers
427 views

How to create linux USB discs that do work on Apple Macs?

It seems that there are several problems releated to incompatibilities between Apple-EFI and UEFI that do prevent Apple users from easily using USB drives to install or even run other operating ...
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0answers
260 views

My Lacie 'Rugged' external hard-drive no longer mounts

My Lacie 'rugged' 1TB external hard-drive has stopped working. I have always been sceptical about the USB connector cable, and more specifically where it joins the hard-drive. It just seems poorly ...
1
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0answers
255 views

Mac Mini does not recognize USB Keyboard at start up

I am using a Quickfire Stealth mechanical USB Keyboard for my Mac Mini. I am having an issue that each time I boot the computer, I have to plug it out from the USB port and plug it back in for the Mac ...
1
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0answers
100 views

Can an iPad be charged while acting as a USB host?

I have an iPad that I would like to leave semi-permanently connected to a USB hub (connected to a couple of MIDI controllers and some USB speakers). As it stands, I have to remember to unplug it ...
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0answers
160 views

Problem with usb drive in virtualbox

I have a macbook pro and a osx of 10.8.4 in installed on it. I also have VirtualBox 4.2.14 and extension 4.2.14r86644 installed on it. I installed windows8 64bit and now I have problem with usb ...
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0answers
1k views

MacBook does not list my bootable USB stick in the boot menu

I made a bootable usb stick with OSX Lion. When starting up my MacMini (which has OSX Mountain Lion installed) while holding option, the USB stick is listed and I can boot from it. But I want to use ...
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0answers
233 views

OSX freezes upon USB connect

On a new (end 2012) iMac 21" with OSX ML as delivered I performed a migration from a backup drive that contained a bootable clone of the old machine, OSX 10.6.x, Users, Application, Libraries, etc, ...
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0answers
2k views

iPad 4 not charging solution with usb 3.0 dual ports Y adapter

Just recently picked up an iPad 4. Saw that it specifies "not charging" when plugged into the usb port. Saw that it is a common issue due to usb power. I have usb 3.0 ports on my desktop so I tried ...
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0answers
127 views

Use unsupported USB footswitch?

I am attempting to use this footswitch: http://www.scythe-usa.com/product/input/008/usbfootswitch_detail.html They only support windows, and USB Overdrive apparently doesn't support it either. I ...
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0answers
168 views

Protocol used by iPhone when connecting to a stereo via USB?

What is the protocol used by iPod/iPhone when connecting to a stereo via USB? Is it PTP or some other proprietary protocol?
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0answers
491 views

MBPr: Installing Windows 7 Enterprise SP1 64bit Iso-Image on USB drive

A newly unpacked MBPr shall run W7. I have partitioned the SSD 50/50 with disk utility. One OSX partition, one MS-DOS FAT32. When I reboot and select the USB stick to install, I get a black screen ...
1
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0answers
264 views

Install knoppix on usb with disk utility?

I have downloaded the linux distro knoppix. I have snow leopard and i want to make a bootable usb with the above distro with the disk utility. I put the source to be the iso of the distro and ...
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0answers
178 views

Resume suspended USB device

For some reason, my iSight wasn't working, so I used USB Prober.app to reveal that the device was suspended. Is there a way to resume the device (without rebooting)?
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193 views

iPhone does not charge with Mac Pro or PC USB ports

Looking at: After updating to iOS 6, iPhone will not charge from Mac Pro USB ports I rebooted iPhone few times, changed cables, machines (PC/Mac) etc., but still unable to charge the phone.
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0answers
200 views

USB Overdrive Only Detects One Controller

I'm trying to get my Twin USB Joystick to work with some games I have. I'm using USB Overdrive, however, it doesn't seem to detect the 2nd controller. It only detects one. For example, if I configure ...
1
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0answers
257 views

What is a USB wifi dongle/adaptor with drivers that integrate with AirPort?

I've tried the D-Link DWA-131 and Ralink-based generic adaptors available on Amazon.com such as the Rt 2571/2573. After installing the driver, they all require you to use a separate configuration ...
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0answers
1k views

AppleUSBCDC weirdness after strange incident

I use my MBP propped on one of those laptop stands, ergo my external USB mouse and USB keyboard (both generic cheap-ass Logitechs) are always connected through a powered Belkin USB hub. Yesterday I ...
0
votes
0answers
5 views

Measuring activity of a serial device

I have a hardware RNG that appears as a serial device (/dev/tty.usbmodem1421) on my MBP. I have it continuously feeding /dev/random. However, if it were to ever stop, I wouldn't know it. Is there a ...
0
votes
0answers
6 views

Performance hit on USB disks passed-through to Parallels guest

In the given configuration the read performance of an external USB3 disk passed through to a Linux guest in Parallels is cut roughly in half. The same disk connected directly to OS X achieves the ...
0
votes
0answers
11 views

Macbook often won't shutdown if external not manually unmounted first

If I don't have my external hard drive plugged in, or if I eject it first, the computer shuts down very fast thanks to my SSD. But if I don't eject it first, it either takes much longer to shut down ...
0
votes
0answers
12 views

iPad lighting adapter for hdmi and USB

I've seen a few third party lightning adapters that have an hdmi port and a USB host port. Does anyone have experience using one and can guarantee that a particular model lets me mirror my iPads ...
0
votes
0answers
39 views

Trying to set up a USB 2.0 with Tails and Virtual Box

So i want to set up a usb to have Virtual Box on it so that I can run tails in a VM in VB from the USB. I saw a similar post here:Can a VirtualBox Windows 7 virtual machine be installed on a USB hard ...
0
votes
0answers
34 views

How to clone a bootable USB drive?

I have a USB drive that contains a bootable version of Windows 7, and I would like to make an exact copy of it, including boot sector, etc. so that I can easily restore it if needed. Is it possible ...
0
votes
0answers
39 views

Mac keyboard on powered hub does not work initially

I have a strange problem with my powered USB hub (USB 2.0) and my wired Apple keyboard which is plugged into that hub. When I turn on the MacBook Pro (Early 2013), running OS X 10.9, the external ...
0
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0answers
122 views

How to set VirtualBox in order to access external hard drives in guest Win7?

I have installed VirtualBox in order to use Windows 7 as guest on a Macbook Air running Mavericks (mainly to be able to use a printer that has no drivers for Mac). Also, I have installed the ...