0
votes
0answers
22 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 ...
1
vote
0answers
10 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) ...
1
vote
2answers
56 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 ...
1
vote
1answer
46 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 ...
0
votes
1answer
49 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 ...
-1
votes
0answers
36 views

Is my SuperDrive USB cable upside down?

Every time I want to plugin my USB SuperDrive I always have to twist the cable a lot because it's upside down relative to the USB plugs on my Macbook Pro Retina. If anyone is using a SuperDrive as ...
2
votes
1answer
232 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 ...
0
votes
0answers
20 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. ...
2
votes
0answers
219 views

iPad Air Not Charging on Left USB of Retina MBP '15

I am trying to charge my iPad Air via the USB ports on my '15 Retina Macbook Pro. When I plug it into the port on the right side of the device, it charges fine, but when I plug it into the left-side ...
0
votes
0answers
48 views

USB keyboard no longer works in one USB port on a MacBook

I recently got a Apple USB keyboard, and have been using it on my late 2013 MacBook Pro 13". It worked fine in either the left or right USB ports. However, yesterday it stopped working in the left ...
0
votes
2answers
8k views

Why aren't Thunderbolt to USB 3.0 cables/adapters available?

I have the Late 2013 Macbook Pro, which has two USB 3.0 ports and two Thunderbolt 2 ports. I currently use both USB 3.0 ports and one TB2 port. I want to connect a third USB 3.0 device to the machine, ...
0
votes
2answers
3k views

No bootable device found ( Install windows on Mac )

I'm owning a macbook pro 13 inch mid 2009 and a USB thumb drive Kingston DataTraveler 100G3 16 GB. I successfully installed Windows 7 on my Mac using Bootcamp ( with a little trick to enable "Creat a ...
3
votes
1answer
64 views

Create a LAN between Mac Mini and two MacBooks without internet

I have a Mac Mini (with USB 3.0 ports, one Thunderbolt port, and one Ethernet port) and two MacBooks (both with Thunderbolt and USB 3.0 but no Ethernet ports). I want to use the Mac Mini as a central ...
1
vote
0answers
203 views

How do I get my mac to re-scan for devices? -> Keyboard stops working after usb hub/dock with keyboard/mouse connected

I have a Dock at home and work. They both use versions of the pluggable usb 3.0 chipset. Each dock has a keyboard and trackball attached. When I move from one dock to another the keyboard and ...
2
votes
1answer
50 views

Disk not readable message when using

If I try to use either of the two usb ports on my macbook pro, I get the following message "The disk you inserted was not readable by this computer." and I don't have a disk inserted anywhere... I ...
1
vote
2answers
55 views

How may an Apple's USB port be used to control simple electronic devices e.g. LED(s)?

How may an Apple's USB port be used to control simple electronic devices e.g. LED(s) ? I'm happy for any workable answer, but hopefully someone may know of a link to a supplier of a cheap USB ...
0
votes
0answers
138 views

USB port not working properly

I have a late 2011 mac book pro. I have tried everything: PRAM reset SMC reset (Which caused my laptops internal hardrive to die. So be careful) Update the software from 10.8 to 10.9 And nothing ...
0
votes
0answers
48 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 ...
1
vote
0answers
39 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 ...
4
votes
1answer
1k views

Extremely slow write speed to encrypted external 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 ...
0
votes
2answers
435 views

SDXC Card or USB 3 pen drive - which one should I buy, and which one is better

I have MacBook Air (13", Mid 2013) and my father has MacBook Pro (13", Mid 2012). Both MacBooks have SDXC card slot, and both support/ has USB 3 ports. We are thinking of moving iPhoto library to ...
1
vote
1answer
48 views

How to make a small storage in my macbook to act as a USB stick?

I want to partition 128Mb out of my macbook hard drive and use it as an external usb; mainly for scanners that they can stick a usb stick into. This way I won't need to install drivers for every ...
0
votes
0answers
45 views

Which Mac models use more than 1 PCIe lane for USB 3 busses?

The 2013 Mac Pro uses only a single PCIe lane for all four USB 3 ports. That means aggregate bandwidth is limited to 500MBps each direction, or 1/4 of the USB 3 potential. source: Anand Tech The ...
4
votes
2answers
14k views

MacBook Pro not booting off OS X Mavericks USB Drive

I'm trying to do a clean install of OS X Mavericks 10.9.1 from a USB drive on my new MacBook Pro 15" Retina (late 2013 model). Here are my steps: Turn off the Mac Hold Option Turn on the Mac Select ...
19
votes
7answers
2k views

Internal keyboard and trackpad stop working after plugging in USB device

I got a new MacBook Pro with OS X Mavericks. When connecting my phone via USB, the internal keyboard and the trackpad immediately stop working -- not always but in most cases. The bluetooth mouse and ...
1
vote
2answers
153 views

Mac USB Linux boot disk

I have a 13" MacBook Pro early 2011 model. It will not boot from any Linux USB boot disks I have created. I know these disks are working on later models as I have tried with 2012 Retina 15" booting ...
0
votes
2answers
3k views

Is it possible to make a bootable USB stick for a Macbook Pro to do firmware update?

I know there are some possible duplicates. But the questions are not solved. Such as: Copy Crucial SSD Firmware Update ISO to Bootable USB I am trying to upgrade the firmware of my SSD (crucial m500) ...
2
votes
2answers
497 views

Can I charge my Samsung Omnia W with MacBook Pro USB port?

Currently, I am using a Samsung Omnia W and mostly I am using my MacBook Pro's USB port for charging it. Is it fine for charging the battery in the mobile phone? Sometimes, I have received a 'high ...
1
vote
2answers
7k views

Finder can't recognize USB drive

When I put in a USB drive, VMWare asked me if I want to connect it to Mac or Windows, and the USB drive shows up in Disk Utility, so I can confirm that the USB is not broken and USB port is also ...
0
votes
1answer
513 views

Flash drive not recognised - Unknown device: “Voyager Mini 3.0”

I have a Retina Macbook Pro and have just received 6 x Voyager Mini USB 3.0 64GB drives (as gifts for colleagues). I've tried 3 of the drives and while they work in Windows 7 and Linux (Ubuntu ...
1
vote
2answers
3k views

Macbook Pro boots successfully when using hard drive in USB enclosure but doesn't boot when connected internally

Apologies for the long question. I will keep it as simple as I can. Last week my Macbook Pro (13-inch, Mid 2010) started to act strange. It started when I tried to open Skype and received an error ...
0
votes
1answer
153 views

USB Pluggable speakers for Macbook Pro 13" Late 2011?

What are some good USB plugged-in/pluggable speakers for Macbook Pro 13" Late 2011? My MacBook Pro late 2011 has its headphone jackets broken due to a stuck headphone jack, and my warranty's out. ...
0
votes
1answer
78 views

using MacBook Pro as keyboad

I was wanting to know if i could use my laptop as a keyboard, i am wanting to plug a device into my laptop's USB port and send keystrokes from the keyboard out of the USB port, the connected device ...
0
votes
0answers
70 views

Wireless USB adaptors for Macs

We've just got a new projector at work which sports fancy Wireless VGA connectivity. We have a Wireless USB adaptor to connect to it, but there are no drivers for Macs and OS X available for it. I've ...
2
votes
1answer
372 views

No power through USB for Roland A-49

I just plugged my Roland A-49 to my MacBook Pro (Early 2011 2.3 GHz). The MIDI keyboard would have its power supplied via USB, but it has no power. The specification says it needs 98 mA current, which ...
5
votes
1answer
2k views

Momentary freeze in Mac OS X on USB device atachment

This seems to have only started recently, but every time I attach a USB device or removable media (SD Card) to my Mac Book Pro running OS X 10.8.3 there is a freeze in the mouse cursor for a few ...
5
votes
2answers
4k views

USB Port of Macbook frequently stop working

One of the two USB ports of my Macbook Pro stop working frequently. Once I reboot the computer, then two USB ports work well. But one of them (always the same one makes the problem) stops working. I ...
0
votes
1answer
3k views

WD Passport External USB Drive - Really slow on Macbook

I just got a Western Digital 2 TB "My Passport" USB drive and connected it to my macbook pro (it says it supports USB 3). But when I tried to copy my photo library it said it would take 40 hours? ...
0
votes
1answer
484 views

Clean install of Mountain Lion on MBP early 2011 failed

I want to install a fresh version of mountain lion via usb stick on my macbookpro (early 2011) + new Samsung 840 SSD. (NVRAM cleared, HDD Empty) 1.) I created a usb installer as described here: ...
2
votes
0answers
160 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 ...
1
vote
2answers
1k views

USB 2.0 hard disk does not show up

I have a 15-inch Macbook Pro with Retina Display that doesn't work with my USB 2 hard disk. It doesn't mount, doesn't show up in Disk Utility, and doesn't even show up in System Information in the ...
4
votes
5answers
13k views

Which Macbook Pro USB port should I use to charge an iPad?

I heard that one of the two USB ports provides more power, decreasing the charging time. Still, I forgot which one is the powerful one. I would be nice to give a hint that's easy to rememeber ;) It ...
0
votes
2answers
175 views

Best macbook batteries strategies to watch a movie stored on an external USB hard drive

Which is the best strategy to save the batteries of your macbook pro, to watch a movie that is stored on an usb hard drive (powered by the macbook) ? 1) Plug the usb hard drive and watch the movie ...
10
votes
2answers
14k views

MacBook Pro with Mountain Lion freezes frequently (full screen Flash in Chrome, Messages, HTC on USB)

Problems following an upgrade to Mountain Lion on a 13-inch, Early 2011 MacBook Pro (MacBookPro8,1 with Intel HD Graphics 3000). With Google Chrome, I was watching YouTube video fullscreen – Flash ...
3
votes
2answers
7k views

Why might one USB port be problematic on a MacBook Pro?

Background I sometimes find that the frontmost of three ports on a 2009 MacBookPro5,2 is less capable than the other ports. This frontmost port with an independent bus seems: good enough to ...
5
votes
3answers
48k views

Install Windows 7 on MacBook Pro via USB?

I've read many posts here and on other forums about installing Windows 7 from a USB stick, and I really don't want to start messing about with the VM Ware Fusion or Parallels options. Last resort ...
2
votes
1answer
223 views

MacBook Pro 13" SATA controller

Does anyone know from a trusted source if the new MacBook Pro 13" (2012) has SATA III? On Google, some places said SATA II and couldn't find any info on Apple's site. I also have one more question: ...
1
vote
2answers
1k views

Frontmost USB port stopped working properly on a MacBook Pro 13" Late 2011

I bought my Macbook Pro new this year in Jan 2012; it is the 13" Core i5 SKU. The USB port furthest from the screen on the left does not work with storage devices, though I have tested it with a USB ...
2
votes
3answers
6k views

Macbook Pro (Late 2011) Bootcamp and USB boot questions

I have a Macbook Pro with an OWC DataDoubler drive caddy replacing the Superdrive (installed at an Apple premium reseller, when I bought it, so I can still have my warranty). The main drive slot has ...
1
vote
1answer
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 ...