OS X :: Since Using Powered Usb Hub Losing Internet?
Nov 10, 2009
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 ?
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Jul 7, 2009
I am new to the mac world, I've always had a windows before. Well, I just installed XP on my macbook, and was wondering if the "Parallels Internet Security powered by Kaspersky" is secure enough for my pc. I don't want to be getting viruses on my pc, so I was wondering if that security is strong enough, or if you would recommend getting a different internet security?
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May 1, 2012
Keep losing the internet signal on my new i mac
Info:iMac
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Jun 8, 2012
My iMac keeps losing conection to the internet! It is so annoying! What my supposed to do?
Info:
iMac, iOS 5.1.1
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Aug 18, 2009
i have a 13in macbook unibody and i keep losing my wireless internet i will be connected and then when i go into my network diagnostics everything is green except for my internet and i then have to reenter my password and reconnect with my wireless router this is an annoying problem and was wondering.
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Jan 31, 2010
I have a linksys wireless N router and my macbook pro constantly loses connection to the internet. Is anyone else experiancing this problem?
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Feb 26, 2012
After a recent update, my iMac keeps losing the wireless internet connection, especially after going into "sleep" mode.
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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Jun 11, 2012
Why does my Mac keep losing internet connection every 5 minutes - I end up having to turn wifi OFF and ON again each time.
As all other devices in the house connect seamlessly to the wireless router, the problem is only with my MAC desktop.Â
Info:
iMac, Mac OS X (10.6.8)
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Feb 15, 2012
My internet keeps losing signal and will have to reset the internet on the computer, we thought it was but have changed to sky now and it still happens.
Info:
iMac, Mac OS X (10.7.2)
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Mar 27, 2012
When I try to get email or go on the internet in general after being away for a short while, the internet is not connected and has trouble connecting. I have DSL and should always be connected. I also have a laptop (non Apple running Ubuntu) and there is no problem there.
Info:iMac (21.5-inch Late 2009), Mac OS X (10.7.3)
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May 13, 2012
When I am on the internet, I am constantly losing connection.
Info:
iMac
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Jun 11, 2010
I'm on a boat in Fiji, using a Vodafone wireless dongle, and keep losing my connection. My vodafone software and my apple network software show I'm still connected, but suddenly I can't get into another page, or if I'm downloading a software update, I get a message that I have a timeout error. I then disconnect my connection and re-connect and then things start happening again. However, I have not been able to stay active long enough to download my apple software updates which is really frustrating. It seems to happen more often when I'm downloading something sizeable, like a video or software update, but happens other times as well. I'm a mac novice, (bought this, my first mac about 10 months ago) and not terribly computer savvy to begin with. Looking through this forum, I'm confused by much of what I read, but I'm beginning to think this problem may be beyond my capacity to solve.
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Jun 3, 2012
For several weeks I've lost internet connection on my iMac every day or so; the wifi icon changes to show a ! and is otherwise greyed out. My internet connection is via a relatively new Time Capsule (2011) which has an ethernet cable connecting it to my Sky broadband router. I moved to this new Sky broadband router in early Jan 2012 (changing to Sky as a Broadband provider) and it works nicely as a router. My iPhone, iPad, AppleTV and a range of other devices (including an Apple Airport Express connected to a Sky TV HD box to enable it to download movies) have continued to work on the internet without problems.
The IP address of the iMac (27 inch quad core i7, 8 GB RAM, fully up to date on Lion) disappears from the Network settings when the problem arises but the connection of the iMac to the wifi (and backing up to the Time Capsule) still works. I can even use a VNC app on the iPad to connect to the iMac on the same wifi LAN when the IP address has gone and the ! is showing in the wifi icon on the menu bar. To get reconnected to the internet, I just restarted the iMac and it was then back accessing the web nicely. Eventually the iMac would not connect to the internet at all. It would momentarily get an IP address from the router and then lose it again. I then tried taking the iMac to the Apple Store.
Various diagnostics run in store at Genius Bar and during the week and the problem (using the same account) was not replicated. On its return home, it was still not working on the internet. I then tried booting into 'safe mode'. This enabled a stable and reliable connection to the internet! After several days in this mode, I re-installed Lion and booted into normal mode again. The problem returned and has been with the iMac since. However, at least a restart of the iMac gets it straight back on to the internet again. I suspect some sort of corrupted network preference file or the like. But where? The disconnection from the internet can happen any time of day; for example it happened while typing this message but more often than not it happens when the computer is unattended.
Info:
iMac, Mac OS X (10.6.7)
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Jan 10, 2011
I 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..
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Oct 2, 2008
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?
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Dec 21, 2008
I occasionally have trouble charging my iPhone via my iMac USB ports. I plug in the iPhone, the screen indicators change to show that the phone is charging (green battery indicator and the lightning bolt symbol). However, when I come back to the phone several hours later, the charge indicator hasn't advanced any. For example, if the indicator showed half-full when I plugged it in, it remains half-full.
The iMac does go to sleep a few minutes after I leave it, but sleep has never precluded an iPhone battery charge on my MacBook, and most of the time it works on the iMac.
Is there anything, besides shutting down a computer, that causes a USB port to unpower while the iMac is sleeping? Does it matter whether I am logged in or simply at the login screen?
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Mar 20, 2009
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?
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Jun 19, 2009
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?
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Oct 27, 2009
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...
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Jan 6, 2010
What is the most beautiful powered usb hub out there? I'm looking for a hub to go with my mac pro and I have a lot of devices that requires a powered usb connection.
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Dec 27, 2007
I am the original owner of a Power mac G5 dual 2.0 I purchased this machine in april of 2004 and it has been working nearly non stop ever since. Recently I put it into sleep mode and when I came back it had powered down and would not start up. I assume it's the power supply and I would like to know if there is anyway to tell what type of power supply and model thereof without tearing down the machine.
Information:
Powermac G5 Dual 2.0
Mac OS X (10.4.9)
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Dec 18, 2009
I had a powered USB hub attached to my computer, w/ a mouse and two printers attached to it. For a while, it seemed to work fine, but then the printers wouldn't work, and I had to connect them directly to the computer. I decided the problem must be with the hub, so I went out to MicroCenter and bought a new powered hub. Again, it seemed to work for a while, but then the printers again wouldn't work. There aren't enough USB ports to run all my peripherals so I have had to disconnect a backup USB hard disk. The hub is now disconnected entirely, and I have to switch connections around. Needless to say, this is a pain.
MacBook Pro 17" 2.33 GHz Intel Core 2 Duo, 4GB Ram, w/ external 22" ViewSonic monitor, running OS 10.5.8
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Oct 28, 2006
I recently have been having start up problems, when I would hit the power button I would sometimes hear a healthy startup and everything would boot up and then I just get a black screen and you can still tell it has power. I would start and restart untill it would boot. Now the only way the machine will start is if I unplug the moniter cord and plug it back in then it will start.
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Feb 11, 2008
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?
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Feb 18, 2008
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?
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Jun 2, 2008
What is the best portable HD that can be powered from the MBA's USB hub without a power cable.
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Mar 23, 2009
I have a pc powered iMac and I'm looking for speech to text software. Of course all of the software that sounds really great, like macspeech dictate, needs an intel based machine.
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Apr 15, 2009
My 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.
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Jun 17, 2009
Will it work together for wireless time machine backups? Or does it require a hard drive with a separate power source?
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Jul 16, 2009
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.
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