Suddenly can't connect mac mini to internet without signing in

I suddenly have to go to system preferences everytime I want to get online with my mac mini. Other devices are working just fine. This is the main computer that the router is connected to. Anyone have a fix for this?

Test after taking each of the following steps. Back up all data before making any changes.
1. Make sure the network is on the preferred list by following these instructions.
2. Follow the instructions in this support article under the heading "Symptom: The network connection drops unexpectedly."
3. Make a note of all your settings for Wi-Fi in the Network preference pane, then delete the connection from the connection list and recreate it with the same settings. You do this by clicking the plus-sign icon below the connection list, and selecting Wi-Fi as the interface in the sheet that opens. Select Join other network from the Network Name menu, then select your network. Enter the password when prompted and save it in the keychain.
4. From the Location menu at the top of the Network preference pane, select Edit Locations. A sheet will drop down. Click the plus-sign button to create a new location. Give it any name you want. In the new location, set up the Wi-Fi service with the same settings you used before. Click Apply and test.
5. Launch the Keychain Access application. Search for and delete all AirPort network password items that refer to the network. Make a note of the password first.
6. In some cases, the problem has been resolved by repairing permissions on the startup volume.
7. Reinstall OS X.

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Connecting Mac mini to internet through Xfinity router

This one took me a couple weeks to figure out, and I've seen a couple of similar posts in the forums, so I decided to post my findings here in the hope that it will help someone else.
Short version of the problem: I have a Mac mini (mid-2010 server version) that would connect to the Technicolor TC8305C WiFi router that was supplied to me by Comcast, but it would not connect "through" to the internet.
Details: The Mac mini connected automatically to the Wi-Fi (via DHCP) of the router, but nothing would connect "through" to the internet -- not Chrome, not Safari, not Mail, not the App Store, nothing. This was baffling because every other device in the house (3 laptops, 2 iPhones, and an Apple TV) all connected just fine. I checked all of the settings in the Network pane of System Preferences, comparing the Mac mini's against each of the laptops; all of the settings were the same (default, "out-of-the-box" settings). I thought maybe the problem was something at the OS level because the Mac mini was running Snow Leopard server and the laptops were not (two were running Mavericks, and one was running Leopard).
Here's where it gets weird... I connected the Mac mini to the router using an ethernet cable and everything worked normally for the wired network device. I was able to use the App Store to update the OS on the Mac mini to Mavericks. However, after I disconnected the ethernet cable, the problem came back and the Wi-Fi would connect to the router but not to the internet.
I double-checked that any "server" software on the Mac mini was turned off -- e.g., that it was not trying to serve as its own DHCP server. As I suspected, none of these services were on, so that wasn't it either.
In that same vein, I tried setting a static IP for the Mac mini in the router's control interface. Again: no luck.
Lastly, I got this weird idea that the only remaining difference that I hadn't tried was the pre-configured IP address prefix octets.
Solution: I reconfigured the router to use 192.168.x.x (like my previous router did) as the network prefix instead of the 10.0.x.x prefix that it uses by default. After I made that change in the router, everything fell into place and the problem went away. I never did figure out the reason this change was significant, but as I said -- it was the only thing that worked.

Interesting, thanks for the report/tip!

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HT3152 Connect mac mini to internet

What do you need to connect a mac mini to the internet through a phone line? (Yes the slow old fashion way we have no cable or high speed DSL.)

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How can i connect ipad mini wifi celluar to 2g internet plan, how can i connect ipad mini wifi celluar to 2g internet plan

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Hello Sir!
After weeks of testing, i found the solution of my question. It´s quiet simply!!
1º iPhone (3G Internet acess) connected to Mac mini by USB or BlueTooth or WiFi.
2ª in Mac mini must be activated in "Preferencias", "Compartir", the option "Compartir Internet",
     "Compartir Conexión desde":   iPhone USB or Bluetooth PAN
     "Con otros Ordenadores vía": Ethernet
3º Ethernet cable must be connected from Mac mini to Time Capsule !!
4º In Time Capsule "Internet": connect by: DHCP
                             "Network": bridged
Nothing more!!! Sooooo simply!!
After this, Windows XP SP3 connect without problem over TC´s WiFi or Ethernet to the Internet!
Also other Devices like IPad, or other iPhone, etc.
Of course it can be a created a WiFi connection (PPP) between the iPhone and the Mac
and it´s working to.
But ALWAYS, by changing the connection mode, must be changed the Thethering mode.
In- and Out-Going!
Thank you for your help, no I made me a "small" TC expert...lol

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Hello. I have a mac-mini (mid 2010) and with bootcamp, was successfully running XP.
I then decided to upgraded to Windows 7 had lots of trouble installing it on my existing bootcamp partition.
I finally was able to install Windows 7, by just booting off the CD and letting it install that way.
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I had thought the Bootcamp Assistant was for only fresh installs of a Windows O.S. where no partitiion existed previously.
I had a partition so thought Bootcamp wasn't required for my needs.
But now, inside Windows 7, I have 0 drivers installed. I have an AirPort Express, so on the Mac side, I downloaded
and installed the Windows version of AirPort Utility and copied it to my USB stick. Then
I exported my settings to a text file on a USB Stick, then on Windows was able to successfully install AirPort Utility and import the settings.
But it still doesn't find my network. I am pretty sure I'm broadcasting my SSID...
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1) How to know I'm broadcasting my SSID - where do I find this in settings?
2) How I can install my mac-mini drivers on Windows 7 so I can use my existing wireless network, now that I've gone through the installation without using Bootcamp?
3) Do I need to set up network adapters and all that stuff in Windows 7 first? If so, how and what drivers do I need?
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Other Info:
I'm running Mac OS X 10.6.8 with 2 GB of memory.
I installed the 32-bit version of Windows 7 and I don't know what version of Bootcamp I'm running...
I can tell you that BootCamp Assistant is v3.0.4, but don't know if that means Bootcamp is also 3.0.4.
Hope you can help.
Thanks.

I tried something that worked for me...
Knowing that after my install of Windows 7 wasn't the correct method (didn't go through bootcamp), and the BootCamp 4.x package wouldn't install under windows 7, I tried reinstalling Bootcamp 4.x in Windows 7 to see what the exact message was it gave me. The message said it couldn't install because of a 32-bit O.S. vs a 64-bit version of the package.
So that got me thinging - my XP version was 32-bit, and so is my Windows 7 installation. So I tried installing the bootcamp that came with my Mac OS X installation CD. This is bootcamp version 3.1.
Not only did it install, but it practically took care of everything driver-wise for me. I was then able to see my wireless network, enter my password and I was connected. The only thing else I had to do to get on the Internet was bring IE8 online (guess it ships offline by default). Firewall and Antivirus are now installed, just a few more things to go.
That's one thing that's just not clear that I'll be sure to note for next time... The Bootcamp packages you download are actually driver packages for Windows. That is where the Windows drivers exists that are necessary to make your Windows 7 PC work on a bootcamp partition!
I didn't need the AirPoirt Utility at all (at least, I never went into it).
Thanks VikingOSX for your post. I will not need to follow the steps you provided, but they may help someone else as all of these bootcamp issues I've been reading seem to be very unique per installation.
Hopefully my solution helps others.

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If the Mac mini and iMac have got FireWire or Thunderbolt (probably, FireWire 800), just buy a FireWire cable and start the Mac mini holding the T key while your Mac is starting. Doing this, your Mac mini's hard drive will show up as an external drive in the iMac, so you can store data in it. You may want to format the hard drive first.
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Hi all,
hope someone can help me with this.
I'm running OSX 10.3.9, have an ADSL Nation X-Modem and AirPort Express.
My wireless network is up and running, I have strong signal and AirTunes can connect and play fine wirelessly.
However, when I try to open Safari and connect to the Internet, it doesn't connect ("Can't find Server.")
When I plug the X-Modem direct into the Mac with the Ethernet cable, I can connect to the internet fine, so the modem and cable don't seem to be the problem. I've tried running throgh the AirPort Express SetUp Assistant and restarted AirPort and rebooted everything many times. In Network Preferences, it says it's happily connected, has IP address etc, but I still can't connect wirelessly to the Internet?
Any help greatly appreciated!
thanks
Nat

OK, here it is again
First you plug the Ethernet cable from your Internet modem into the AE. Then plug it in. The light will go amber. Run the Airport Setup Assistant. Create a new wireless network. Call it what you want. Enter the information about your modem, in the fields just like you do for your Ethernet connection on your PC or Mac. This means DHCP or static IP and subnet..... most if you use DHCP will be filled in for you. Now that you have saved the info and the AE has restarted, look for the network that you named in the available networks. If you have set it up to dish out IP addresses, it will give you one. If you have started out with WEP or WPA the connection process is much more difficult at first.
I leave it wide open until I can connect to it and then I create MAC access lists. I'll leave all the security stuff to you after you get it working basically.
Run Airport Admin Utility. It will scan the area for AEs and AEBSs and you can select yours from the list. Click on configure. Here is where you set all the details up on how you want it to work. Here you can configure the details, place your securities etc. Notice that you are accessing it wireless and then you can go through the various Tabs to configure how you want it to operate.
There is an Internet tab. This will show you how it is configured. It should look the same as your NIC parameters did when you hooked straight to the modem. There are also many more tabs that allow you to configure each area, like do you want it to be the gateway of your network, dish out IP addresses etc. My advice is to let it do that if more than one machine will connect and you don't require defined addresses to get to say a server.
The two important areas are the Internet and the LAN area. These tell it how to interact with your modem, and the machines trying to connect to it. If the AE doesn't see the modem or can't interact with it, one of the parameters is wrong. Same goes for the LAN side of things.
Michael

TS1398 have been connected to my wireless network using a netgear sky broadband router succesfully for a few weeks, suddenly can't connect, network is showing but no signal - all other wireless gadgets are connected just fine - including iphone - any idea

my ipad 4 has been connected to my wireless network using a netgear sky broadband router succesfully for a few weeks, suddenly can't connect, network is showing but no signal - all other wireless gadgets are connected just fine - including iphone - any ideas?

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

Can't connect macbook pro to internet with airport extreme

Can't connect macbook pro to internet with airport extreme

If you have ethernet still on your MBP plug it in by ethernet and tell me if that works.
Tell me how the Airport is setup.. what broadband modem and router you have.
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Update Server
Try:
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Suddenly can't connect mac mini to internet without signing in

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