Has anyone here have any success using an external USB drive (2.5 or 1.8 small drives) thru a hub with the Air?
I know I could use a powered hub but I hate taking and messing about with additional power supplies when I travel.
does anyone know of a specific model HD that works with out needing to connect directly to the one USB port but thru the hub?
What is the best portable HD that can be powered from the MBA's USB hub without a power cable.
View 16 Replies View RelatedTo get my Multimedia-Data off my MBP i5 SSD I am looking for a small, 1 2,5" hdd enclosure that is FW-800 powered. I was unable to find anything in the forums nor in the buyers guide about this. Any recommendations or tests?
I am looking for something well designed if possible (imho like the LaCie Little Big Disk Quadra, which has two hds (double the power comsumption) and is too big).
Can anyone recomend some? Something fast and AC powered.
View 4 Replies View RelatedI think I have found a bug in Finder where I cannot copy large files from a bus powered USB external. I get this error:
"The Finder cannot complete the operation because some data in "..." could not be read or written (Error code -36)"
I think I have eliminated hardware as an issue:
1. The problem is repeatable (and always happens) on my Intel Macbook Pro, Intel Mac Mini and G4 Mac Mini
2. The problem happens whether I have formatted the external as HFS+ or NTFS (I can't use FAT32 for files over 4GB, e.g. VMWare disk images)
3. I can copy the files off the external with my Windows Vista machine (mostly dormant these days) and an XP laptop (I use for work), using Explorer.
4. The same problem happens with two different external enclosures (An Xtatix Portadrive and a Beyond Micro mobile Disk). I have also tried 3 different 2.5" drives in these enclosures.
5. If I boot my Macbook Pro into Vista using Bootcamp, I CAN successfully copy the files using Explorer.
6. I CAN also copy the files OK if I use Terminal and the 'cp' command (it works for all 3 machines)
7. I have NO problems with large files and Finder if I use a powered external with 3.5" drives via USB or Firewire (HFS+ or NTFS) on any of the Macs.
As you see, I think I've been pretty thorough. It seems as though Finder must be at fault when used with a bus powered USB external.
I should also mention that all 3 of my Macs are on Leopard 10.5.3, though I did also boot a my Intel Mac Mini into Tiger with the same result (Finder failed, 'cp' worked).
I have reported the problem to Apple, but wondered if anyone else has had a similar issue...and hey, a solution would be a great bonus!
I have a 2009 Mac Mini connected to a 22" LG monitor via Mini-DVI port and it's also connected to a 50" Pioneer Plasma (in the next room) via Mini-Displayport. Everything works perfect except that when I turn off the Pioneer Plasma, my mouse can still scroll over from the LG monitor to the Plasma.
I've also noticed that my screensaver is laggy even when the Plasma is turned off (usually that happens when it's drawing the screensaver on both screens) so it must still be sending a video signal out of the Mini Displayport.
I'm looking for a way to connect an external bus-powered Firewire 800 hard drive (Glyph Portagig 800) to an iMac which only has Firewire 400 ports, and still powering the drive through just the Firewire connector.
All I've found are Firewire 400 to 800 adapters, allowing Firewire 400 peripherals to be connected to computers having only Firewire 800 ports. I need the opposite of course.
Where can I get such adapters, and without sacrificing bus-power?
I was thinking that if i bought an external MOBILE hard drive (un-powered) i could take it with me sometimes when i need it in UNI (in Lectures where there is no power source to plug drive in), but also attach it to the mac and since it is un-powered and mobile time machine will work without needing external power.
View 2 Replies View RelatedAs I am looking around at all the usb 2.5" drives I have laying around, I was wondering if there is a limit to the number of bus powered drives that the Mac Mini could run at one time.
I have never run more than one self powered drive on a computer before - so I was wondering if there was a limit that the Firewire/USB bus power can support.
Ideally I would love to be able to run one bus powered firewire 800 drive, and three usb bus powered drives - I'm just not sure if that is possible or advisable...
I recently got a Macbook and have a iPhone and iPod shuffle. The thing is there isn't enough usb ports on the Macbook so I had to get a hub. The hub I got IS self powered and does not require a external power adapter. My concern is that I am withdrawing too much power from my usb port through this hub. It is a 4 port hub and a External HDD ( has own power supply), Optical mouse is connected to it. also I charge my iPhone and shuffle via the same hub.
I am afraid that there is power limit feature and it will fry my computer. I notice if I boot in boot camp to windows. Windows will display a error message telling me, I am not allowed to have this many device drawing this much power. Anyone know if I should be okay as long as OS X doesn't give me a message or should I really consider getting a USB hub with its own power adaptor?
Is there no way around this? is the USB simply for power? IE can i just plug it into a powered USB hub (thats not actually plugged into the air?
View 5 Replies View Related I share a quite common problem. My macbook doesnt boot-up.It does power on and gets into the booting up process but nothing happens...
To be more precise, after powering on the MB, the grey display appears and after a while the apple logo and the circle of lines starts to move around.
After that nothing else happens...
I ve tried everything possible... SMC reset, PRAM reset, verifying the disc by booting up either from single user and check it with fsck or with the booting disc and run all the verifying tests and the repair ones... Everything there were just as NORMAL...The OS refuses to open either in normal mode, or at safe mode or even the verbose mode, though it does boot up in single-user mode.
I even took out the HDD and place it in a HDD cover and then plug it as an external device to my other MBP. I run the tests once again but everything seems to be NORMAL again...The only thing that is left to check is whether the boot files have any problem...
Will Apple's external Superdrive work through a powered USB hub?
Or does the Superdrive need to be plugged directly into the MBA?
Are there any other USB devices that will only work directly plugged in?
I bought a Belkin powered USB hub and hooked my MacBook Air Superdrive to it and it won't work. I was under the impression it would in a powered USB HUB. Anyone share any experiences with me on this?
View 24 Replies View RelatedMy battery seems to have lost the plot. I can turn my machine on when running off the battery and it fires up as normal. Once it gets to my desktop everything is frozen. The arrow is always stuck in the top left corner and the only thing that works is the power button, but I can't even turn it off because I can't select switch off.
It works fine if I take the battery out and run off the adaptor but kinda defeats the purpose of having a laptop.
A friend and I will be going to Europe in a few weeks. We both have iPhones and I was hoping to charge both of them using my Air so that I do not have to bother with buying extra power converters. I already have the UK and EU plugs for the Air adapter.
View 4 Replies View RelatedI've been trying to find a good, solid powered-USB hub to use with my Macbook Pro. I tried the Belkin 7-port, which had good reviews, but it just stopped working after 2 weeks, and it was never powering self-powered USB hard drives properly (even though it was supposed to).
So I'd like some recommendations for a good USB hub that has sufficient power to use with self-powered USB hard drives and that won't slow down or stop working when i connect too many devices.
Like many others, I'm thinking of replacing my HDD with an SSD and replacing my optical drive with the original HDD. I plan on using the SSD as my boot volume and the HDD for storage. Part of the reason I am switching to an SSD is that I carry my laptop around quite a lot and don't feel confident that the HDD won't fail because of all the motion.
My question is: Can I leave the HDD powered off until I want to use it? Thus saving battery life and reducing the risk of HDD failure from being moved around too much. I would like to be able to mount the drive when I want to access the storage and unmount it when it is not in use. Is this possible?
Info:
MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)
When I power up my MacBook pro the hourglass just keeps spinning and spinning but that's it.
Info:
MacBook Pro, Mac OS X (10.0.x)
My MacBook has suddenly gone dark. It charges fine and the battery lights show there's charge. The screen is very dark when powered up? When I turn the brightness down fully, then go to turn it up the screen lights up for a second then goes again?
View 6 Replies View Relatedi need a good usb hub that can be powered off the other usb port on my 13in macbook pro cause i have a portable usb hd that when one usb port wont power it can get power off the other and operate but that claims the other port
View 2 Replies View RelatedWhich of the two USB port has full power, not shared with everything in the Mac?
View 15 Replies View Relatedwill not boot up to log in screen when powered up, all I get is a grey screen with apple logo in middle and spinning timer
I have tried resetting SMC
I have tried starting up in Safe Mode (it won't do that either)
I have gotten into disk utility to repair disk
I have tried resetting PRAM
nothing... we are on a network in a school district so my next step is to re-image it but wondering if there is something else I should try first
if not then how do I backup files that are needed before I re-image
Info:
MacBook Air, OS X Mountain Lion (10.8.5)
I have macbook air and it doesn't turn on if I shutdown it for at least 5 hours and next time I need to start i have to plug the charger just one time after that It starts and can be used for whole day.I am not sure what the problem is I charger battery to 90% before shutting it down.
Yes my battery cycles are too much. Details are : Health Information: Battery cycles : 785 Condition : Normal
Info:
MacBook Air (13-inch Mid 2011), OS X Mountain Lion (10.8.4)
Does anyone have any experience daisy-chaining FW 800 drives on a MBP? I've got one right now, but am thinking of adding another but I don't want to use an AC adapter if I don't need to. Will the MBP give enough juice to run 2 daisy-chained FW 800 drives (2.5")? I've got the late 08 unibody 15".
View 4 Replies View RelatedIs there such thing as a battery powered, portable macbook pro charger?
View 1 Replies View RelatedWhen I power on, my macbook pro does nothing (blank screen) after the sound.
System:
-Macbook Pro Retina 13' (Mid 2014) 256GB SSD, i5, 8Gig RAM
-Yosemite (10.10)
I tried to install Windows 8.1 using bootcamp assistant on Yosemite. After installing Windows 8.1, it asked me to restart.
When I restarted it stuck on blank screen. I've heard the startup noise but nothing happened. I tried many startup key combinations such as; Command(Alt), cmd+R,cmd+V,T, but the screen is always blank. Although the screen light is, on the screen is totally blank.
I did resetting SMC, and also I did cmd+alt+P+R (I've heard 4 times startup sound) but the screen is always blank. Nothing happens. I can only shut down by pressing the power button for 4 seconds. As a result when I power on, I hear the sound but nothing happens. Nothing on the screen.
What I did before was: The system is a brand new mac. I bought it 1 week ago.
1- I tried to install windows 8.1 using bootcamp. But failed. Because windows installer gave me an error that windows can not be installed on GPT partition.(I have also MacBook Air and MacMini with bootcamp Windows 8.1 working fine.)
2- Then I rebooted using Alt key then booted to MacOSX and deleted the windows part and many combinations. But failed. The error was always the same GPT error.
3- I reinstalled Yosemite tried all the steps but failed with the same error (GPT error)
4- We had another same macbook pro. And we could install windows 8.1 easily.
5- I compared the two machines in windows setup. The problematic mac had first partition labelled EFI.
6- Then after a few hours. I tried to install again. And saw that the EFI label was gone!. But I don't know how this is happened.
7- I was happy and started to install windows. After installing the system gone!!.
Info:
MacBook Pro with Retina display, OS X Yosemite (10.10), 13' 256GB SSD 8GB RAM i5 (Mid 2014)
Will this have done any damage? The macbook pro was not powered up, but I had the the mac ac adapter plugged into a power strip with the magsafe adapter connected to the laptop, since I keep it plugged into ac all the time at my desk. The power strip was on while the power outage happened. I had the 3 prong extender cord of the magsafe plugged into the power strip. The power outage was due to a problem with some power lines in my neighborhood, not from a surge of overuse of fuses in my home, so my whole block was without power for about 2 hours.I did notice the power strip has always had 2 lights on; one red, not protected, & one green, grounded. The outlets in my room are only 2 prong, so I have a 2 to 3 prong adapter plugged into the wall that the power strip plugs into. I know this is not the best, but my house is a 1950's era house, & I do not have the knowledge & have safety concerns about trying to convert my bedroom outlets to 3 prong. I hope this did not cause damage to my macbook pro. Is there anything I need to do before powering the mac on to use the next time? besides convert my 2 prong outlet to 3 prong? will there be any static charge? this outage happened on a very hot & dry day in my area.
View 7 Replies View RelatedI love my iMac but the one thing I hate is that it only has 4 USB ports...
I have 3 USB 2.0 External Drives.... My digital camera, iPhone, iPad, Kodak Zi8, Elgato Eye, and Harmon/Kardon Sound Sticks... and a few other USB devices...
Can anyone suggest a good Powered USB hub? I have this little 4 port laptop USB hub.. right now, but my external keep disconnecting..
Imac, osx Leopard. Was working fine for many months (except for the 27 vertical lines but won't bore you with that), I bought a powered usb2 hub to power a usb hard-drive, when connecting the hub after a few minutes the Internet connection stopped and does so any time I connect the hub, now without the hub being connected the internet stops and starts every few minutes making it impossible to do any work. Other macs in the house are unaffected (s I'm having to write this on a minimac). Has something damaged the imac for good ?
View 5 Replies View Related