MacBook Pro :: Another Device Using IP Address?
Jan 9, 2011
Two days ago, I installed AppleTV at my house. Not sure if this is the culprit, but my issues started after it was installed. My MBP will works fine on my home network, then randomly loses the Internet connection. Today, I was able to catch an error message that stated another device was using my computers IP address. So, I checked the ATV, and it was not. Then, I checked my iPhone...and it was! I reset my modem, reconnected my MBP...everything was fine. I then turned on the screen to my iPhone. It happened again. I noticed the iPhone was using the same IP address as my MBP. This time, I reset the modem, and made sure my iPhone was using WiFi when I did this. Now I'm up and running. All devices are set using DHCP. Would it be better to assign Static IP addresses? I've never done this, and don't want to screw anything up.
At my house, I have a lot of wireless devices:
3 laptops
3 iPhones
1 AppleTV
1 iTouch 4G
Plugged into the modem is my desktop computer and an AT&T Microcell. Would the addition of 1 more device (AppleTV) to my network start causing these problems?
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Oct 31, 2010
Every couple of days my computer (13 inch macbook pro) will disconnect from the Internet giving me a pop up saying 'another device on the network is using your computers IP address' it later says to change my IP address but I don't have one because I have an airport express router. What can I do about this?
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Apr 4, 2012
What do I do if I receive a warning that another device is using my ip address on the macbook air?
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Nov 8, 2009
I had my two macs turned on and using the internet on both but for some reason a got a message saying that both computers were using the same IP address. I didn't loose connection on either one, everything was working normal. The same IP address of your computer is used by some other device in the network...
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Jan 3, 2010
I just secured the wireless router and network for my roommate the other day. When I got back in town today and tried connecting to the internet, it told me that another device on the network is using your computer's IP address. I have no idea what this means and what I have to do to fix it... any thoughts?
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Sep 8, 2014
a macbook air and an iMac have both give the error "Another device on the network is using your IP address". They are both using the latest OSX and are both set to use DHCP assigned by my Virgin cable router.the address reported in the popup window is NOT the address that either computer was assigned at the time (the first time, I thought it was odd, and I had an iPad handy and used fing to search my network to see what device had just used that address and I didn't see anything). This time - I was on my iMac and happen to have a terminal open, so I did a quick if config - and my ip address was not the one indicated in the message (it was saying 192.168.0.8) and my address was 192.168.0.12. In fact I think that the other day it was complaining about the same .0.8 address.
I do have 2 devices that have a hard coded ip-address (but they are right at the beginning of the range, and in fact I have instructed the router to skip those addresses and just dish out ip's from .0.3 onwards). All other devices use DHCP.Â
Info:
iMac, OS X Mavericks (10.9.4)
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Jun 5, 2014
My Macbook Pro has been running into constant problems actually printing to any wireless device.
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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Nov 4, 2006
The following error comes up on the server's screen when I turn on the stations:"IP 10.37.102.21 is used by 00:0d:95:34:ee:60"Another device in my room or building is using the server's static IP address, this causes connectivity problems. I loose connection to the server. How do I find out what device is causing the problem and what do I do to resolve the issue? I am afraid it might be the CISCO 290XL switches used in the lab. I used ARD to check the Ethernet ID's and didn't come up with any workstation using that Ethernet ID or address.
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Nov 21, 2010
Using a G4 IBOOK with OS 10.5.8. Recently converted IBOOK from just my wifes computer to both of us so it is now dual usuage with both of us signing in to our respective files/e-mail, etc. My side has a problem never experienced before. My apple mail system address book has all the names the dock address book does but is missing almost 2/3rd of the actual e-mail addressess. I have tried to redo the dock address book in hopes it would change the "internal" mail book, but to no avail. It id difficult to add a recipient to an outgoing e-mail via the dock address instead of the apple mail address book.
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May 5, 2012
I'm trying to setup mail on Lion Sever (7.3). The only way I can get it to accept incoming mail is to specify the whole FQDN of the server in the address. For example the domain name is example.com and I have a user set up called john. Sending mail to john@server.example.com works.
But sending mail to john@example.com (which is what I want) returns an error:
554 554 5.7.1 <john@example.com>: Relay access denied (state 13).
For internal DNS, I have:
example.com - primary zonemail.expample.com - alias server.example.comserver.example.com - 192.168.1.2 [URL] - alias server.example.com MX record [URL]
I see references here to problems in mail on 7.3 but not this specific problem.
Info:
Mac OS X (10.7.3)
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Aug 1, 2010
Can you print your address book with all the names, address, and other info?
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May 20, 2012
how to specify which of several email addresses should be used for a member of a group. It starts by selecting the menu item "Edit > Edit Distribution List." From there it explains how to select the desired address for a specific person. All well and good...Â
BUT...Â
Try as I might, doing various combinations of name or group selections in the address book window, I cannot seem to get the "Edit Distributuion List" item to be un-greyed. Effectively, the program is not allowing me to do the edit function I need to do on this one group member.Â
Am I missing the secret handshake in this process? Why should it be this hard to do this simple function?Â
Which raises the larger question of "What did Apple do to the Address Book application in general?" This issue is only the tip of my iceberg. The whole app seems to be harder to use than before.Â
Info:
iMac (24-inch Early 2008), Mac OS X (10.7.3)
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Mar 29, 2009
If I have more than 1 email address in my contacts, which is the rule, to whom will be sent , I checked, sometimes in Home, other Work
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Mar 20, 2012
I must be missing something very obvious, but I can't seem to set Address Book to add all new contact info as "Work" entries. I have to edit every new entry and change all the fields from "other" to "work." This appears to happen when I "grab" phone or email info from an email message.
Info:
MBP 2.4 Core 2 Duo, Mac OS X (10.7.1), iPhone 3Gs, iPad 1 and 2
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Jun 14, 2012
Does anyone else agree? Can I make this so somehow?
Info:
Mac OS X (10.7.4)
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May 16, 2009
So, is it possible for the address bar "top hit" or "history" to recognize part of a web address if you don't start with it?
For example.
In firefox, when I start typing macrumors, I get forums.macrumors, macrumors....
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Nov 13, 2009
I have a MB and MBP and they both have the same IP address, so the MBP won't work on our wireless network anymore.
How can I cahnge the IP address? We have a netgear router and are with Jersey Telecoms.
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Mar 23, 2012
I opened my safari today and when I was about to type the website that I want to go to I couldn't find the space where you type it at.. I don't know what happened?
Info:
MacBook Pro (13-inch Mid 2010)
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Jun 11, 2012
This is probably a stupid question, but why isn't there an address contact button that you can click on in a new message from MAIL? Am I missing something here? In all previous versions of the OS one could just do that and a list of contacts popped up and then you could click on one and it would go to the "To" slot. There's got to be an easier way than to open the contact book, find an address, copy it, then place it in the message "To" slot.
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Oct 6, 2008
I need some help bluetoothing music from my macbook to my blackberry, I've tried to do it several ways, and it either says on my macbook that "the device does not have the necessary services" or on both that the file transfer has failed.
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Oct 20, 2009
Is there a device to convert on home VHS movies into dvd or download into a computer?
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Feb 14, 2012
I have a macbook 2007 with a disc drive issue. I can put a cd or dvd in the drive, and it accepts it and spins it, but nothing is coming up on the desktop. And i cannot eject the disc either with the eject button or the manual ways i've read about (holding down the trackpad button during startup, the credit card method, etc.)Â I've restarted several time and I've attempted reseeting the power management. no change. Â
I should also state that this is a drive that i have recently installed. the old one was bunk, and I have replaced it with another used one. However, it was working properly when I installed it. I have since having this current issue, gone back in a made sure everything is connected properly. Â Under the system profile it shows under ATA that no ATA device is present, and a similar message is showing under disc burning. Â
Info:
MacBook, Mac OS X (10.5.8), 13" MacBook White (2007)
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Jun 2, 2012
I am trying to use a M Audio MIDI keyboard with my MacAir. No MIDI device tab appears in the MIDI setup. What to do?
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MacBook Air, Mac OS X (10.7.4)
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Dec 3, 2014
I have a Macbook Pro and have synced it will allow 5 devices to be synced. I accidentally synced my brother's iPhone to my computer. How can I unsync it?
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MacBook Pro with Retina display, OS X Mavericks (10.9)
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Nov 30, 2014
I am wondering if I can setup my laptop ( Mac Air) as an additional trusted device (I have my iPhone and iPad already as trusted devices).
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MacBook Air (13-inch, Early 2014), OS X Yosemite (10.10.1)
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Dec 14, 2010
I'm considering either the MiFi or a 3G USB dongle. Both have their pros and cons of course, but the USB dongle is appealing because it's one less device to charge.
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Jan 12, 2011
When I start the Mac the text "No bootable device, insert boot disk than press any key". Is it because I tried to install XP? If I put xp in my superdrive it starts the installing guide but I've tried to delete this partition.
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Oct 21, 2008
My friend have sent macbook air to me, but the USB device doesn't work at all, whenever I plug memory stick or ipod cable in, nothinh happensit's doesn't find any device,
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Mar 27, 2009
I've installed some updates and now everytime I restart its saying no bootable device press any key and the only way to get into os x is to hit options and click the harddrive.
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May 13, 2009
So I started up my macbook this morning and have been using it for awhile when I went to go play some music and can't get any sound. When I hit the volume buttons it shows a shadow of the speaker logo and a circle with a line through it under the volume bar. I have tried a restart and also went into sound controls, where it says "The device has no output devices" . What can I do/what's going on?
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