Is it safe to plug and unplug USB and Firewire cables with the computers on
Is it safe to plug and unplug USB and Firewire cables with the computers on? I have a Mac G4 and a newly purchased IMac and I use one printer for both computers. Should I shut down the computers when I unplug the printer and connect to the other computer? How about when switching firewire drives.
Is there an easy way to have both computers connected to the same printer? I have an Epson 1280 printer.
USB/Firewire ports were designed to be "hot" plugged. You can safely plug and unplug devices without usually having to shut down the computer or the device. Some devices, such as external HDs, digital cameras and iPods need to be "ejected" first, so as not to damage their formatting or data.
You can network your Macs wirelessly or with an ethernet cable and then set the printer connected to one computer to be shared with the other computer.
Here are a couple of links;
Connecting two computers using Ethernet
Sharing your printers with other computers
Similar Messages
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Is it safe to plug and unplug USB and Firewire cables with the computer on?
Is it safe to plug and unplug USB and Firewire cables with the computers on? I have a Mac G4 and a newly purchased IMac and I use one printer for both computers. Should I shut down the computers when I unplug the printer and connect to the other computer? How about when switching firewire drives.
Is there an easy way to have both computers connected to the same printer? I have an Epson 1280 printer.Yes, you can unplug a printer without shutting down the computer, but if you are switching the printer to another computer then you should first turn off the printer, unplug it, re-connect to the other computer, then turn on the printer. This will assure that the printer will be properly recognized.
If you have your computers networked via Ethernet then you can leave the printer connected to one computer and share it with the other via the network connection. Printer sharing is turned on using the Sharing preference in System Preferences. You will need to Add the printer on both computers so you will need the appropriate printer driver installed on both computers.
See the following articles for more:
http://members.cox.net/18james/osxprintersharing.html
http://docs.info.apple.com/article.html?artnum=58028
http://www.apple.com/support/tiger/network/
http://docs.info.apple.com/article.html?artnum=106658
Also select Mac Help from the Finder's Help menu and search on "printer sharing."
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Crash when plug or unplug USB device
I have a Mac Book Pro that I plug into a Raritan KVM switch and use to sync files between the laptop and my desktop machine. I've been doing this for years with no problems, until I installed the Leopard OS. Now either when I plug in the USB connector, or unplug it, the computer will crash about half the time. What I mean by crash is that I get the grey background screen and the message that says,
"You must restart your computer...." What is the deal with this? I'm plugging in a USB device and it
brings down the entire computer. Like I said, this NEVER happened until I got this new OS upgrade.
If I had known how unreliable this OS release was going to be, I never would have put it on the laptop.
I have been an Apple customer ever since 1984 because I just want a computer to work, and not go
through all this stupid crap. I just updated to version 10.5.3 with the hopes that would fix it,
but I guess it's too much to ask these days just to have it work. Is Apple infected with Windows
now that it runs on Intel hardware? I don't know, but my confidence has gone down a lot.Hi.
I assume you have exhausted all the Repair Permission and using Single User Mode to 'repair' the disk; and still encounter this problem.
I wouldn't totally blame the OS Upgrade but I also understand that you may not get the finer details of whether the new update is compatible with all the devices etc that we use daily with the computers.
But in your case, it is most likely the new OS is somehow incompatible with the switch. I had one time a USB Bluetooth adapter that everytime I leave it plug-in and when shutdown my mac, kernel panic occurs (that's what you are experiencing)
See if you can isolate and confirm whether this is a new OS compatibility issue, by using another mac with an older OS or something, also check with the switch's manufacturer if there is a newer model or able to do some sort of firmware upgrade?
I know this really doesn't help your immediate problem but think you have to understand this, that whenever they have a newer upgrade or newer OS, or a piece of hardware, some "older parts" have to be chuck, if not, the new OS would be too huge and balloon up, or cause complications - that's my theory anyway; Like with the new macs and new OS, I can no longer run Classic which is still quite vital to some of my daily work, but "no choice" I just have to find some other way to work around it, because without the new hard and software, I also wouldn't be able to enjoy the new and speedier applications like the Adobe CS3 suite.
Cheers -
I just tried to update my iPhone 4 and it said it was successful, but now I have a message (USB icon - arrow- iTunes icon) that is frozen? I have turned off the phone, unplugged USB and reconnected and closed out of iTunes and back in. Any suggestions?
Hello, Spedellen.
Thank you for visiting Apple Support Communities.
When experiencing issues restoring an iPhone, here are the best articles to go through. If you received a specific error number when restoring, see the section labeled Get more help in the second article below.
If you can't update or restore your iOS device
http://support.apple.com/kb/ht1808
Resolve iOS update and restore errors in iTunes
http://support.apple.com/kb/ts1275
Cheers,
Jason H. -
I plugged my iPhone 4 into my computer with the USB charger cable, and the screen went blank and came up with a picture of the usb cable with an arrow pointing to iTunes....Can anyone help get this fixed????
Connect your iPhone to iTunes and restore or follow the prompts.
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My HP 2355 won't show up in AirPrint? I have it plugged in via USB and set it up on my Mac mini with the airport express network. Any advice?
Unless your HP printer is an AirPrint-ready device, just connecting it to the USB port of the AirPort Express base station will not make it so.
On the other hand, connecting a non-AirPrint printer to the base station's USB port it can be shared out by the base station's print server. Please see the following Apple Support article for details. -
Aspire Aspire Zs600 won't recognize plug and play - plug device into usb and nothing happens.
aspire Aspire Zs600 won't recognize plug and play - plug device into usb and nothing happens. how to fix this?
try to re-install Intel chipset drivers:http://us.acer.com/ac/en/US/content/drivers/4531;-;Aspire%20ZS600 select your operating system and download Intel Chipset drivers and install it, reboot and try again. or press windows key logo + xchoose device managerclick on Universal series controllerright click on Intel USB controller and choose to uninstallonce done, reboot and wait until windows re-install drivers
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In iTunes the iPhone device icon will not show up whenever I plug in a USB into my PC but the iPhone icon will show up in 'This PC' so if anyone who knows a resolution to my problem with my iTunes or PC,it would really help me.I need at least Help or some Tips.I have already tried many things to iTunes and my PC like trying to restore my PC but that do anything.Also,would it be fine if i contacted (call) Apple Support? Please,I need help because what I think is wrong is my PC,iPhone,or USB might be messed up so if anyone could help me with this,it would be really helpful and for anyone to be nice enough to help me.
I think this article will help you.
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When I use the same cable with the wall adapter it charges just fine.
LOL My situation is the opposite. plug my iPhone 3GS with USB cable and attach to mini adaptor (or whatever the small one is called) and it does not charge. Connect the same iPhone 3GS to my MacBook, using same cable, an charging takes place for iPhone. Then, connected the iPhone to the AC power with the large Apple AC adaptor and it always charges. Seems to be the small adaptor and sometimes a third party automobile adapter.
At first I thought this might be because I was using third party USB cable, but now wonder about that since there are so many problems that others are having.
Having scoured the discussions, it appears no definitive answer has been given. Am I wrong. Maybe I never found the answer to what is happening here.
if you can help, please reply to help all of us with the issue still - June 2011.
Thanks! -
How do I connect my 2nd generation Ipod to a Firewire 800 port on a new laptop? It no longer holds a charge and it doesn't power up with the newer generation USB cable. The only way I can sync my Itunes library onto this Ipod is when it is powered and connected simultaneously. Pls help.
Try here:
iOS: Not responding or does not turn on
If not successful then time for an appointment at the Genius Bar of an Apple store. -
i plugged my iphone 4S into my computer for the first time and then my photos were replaced with the ones from my old iphone, how do i get them back?
Try restoring from the backup created at the beginning of the sync process:
Without connecting your phone, open iTunes, go to Preferences, on the Devices tab check "Prevent...from syncing automatically"
Connect your phone, right-click on the name of your phone when it appears on the left sidebar in iTunes
Select Restore from backup, choosing your most recent backup to restore from
Disconnect your phone and confirm that your photos are back
Go back to iTunes>Preferences>Devices and re-enable automatic syncing. -
Try updating my ipad 2, pop up with error 1602 and now my ipad is stuck with the itune and USB icon on the screen. I tried to restart it, but screen still comes up the same.
See if this page helps http://support.apple.com/kb/TS3694#error1602
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hello,
my i phone got stolen and i got a new one with the same number, but i cant get it to synch up with my itunes to make it like my old phone! can you please tell me how i do this. i need all my contacts and content etc etc.Plug it into iTunes and tell iTunes what to sync to the device.
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the 5th gen. ipod come with a usb cable can i use a firewire cable with it instead? the firewire cable is much faster with my old ipod.
Hello krop and everyone,
IMHO, Apple changed to USB to move product for the iPod line.
While FW is an Apple innovation, corporate logic would not allow sales to be limited with an an estimated 94% market share on PC's w/out FW connections.
That said, the debate here depends on which computer OS/hardware your have, and the Bottom Line is that real transfer depends on the chipset your hardware is using.
Beware of and use of the word, "theoretical". It's far different from actual "transfer speed" or "throughput".
Theoretical Throughput (Maximum)
Megabits Megabytes
USB (low xfer ) 1.5Mbps .19MBps
USB (high xper) 12 Mbps 1.5 MBps
FW-400 (1394a) 400 Mbps 50 MBps
USB 2.0 480 Mbps 60 MBps
If your interested, here's a link that may help or confuse the issue more.
http://www.barefeats.com/usb2.html
Respectfully,
Bill Gallagher -
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