DHCP disappeared and Mac will not connect to internet!

When my Macbook's config is switched to DHCP the Airport Express will not connect to the internet but when it is PPPOE it has not problem at connecting. I never had this problem before but now I am worried and want my DHCP back because it is interfering with other configurations.

Go to the System Preferences and Network and when the Box opens make sure that you are set to Automatic and below that the name of your Network is in there and finally in the box on the left that Wireless or Airport is selected and Drag it to the top of the list and the Green Dot is on the Wireless Network that is selected.
Then repeat it on both computers.
Welcome to the Discussions
Don

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My mac will not connect to Internet. Our iPad, pc and iPhones are connecting. Pls help!

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Try these instructions, they seem to be working for quite a few folks. If you aren't following the written instructions watch the YouTube video too.
Lion Wi-Fi problems fix & WiFi Lion Fix on YouTube.
When done please report back with the results you got, that could help others down the road.

Trying to setup airport for 1st time and it will not connect to internet, we also did not create a new network and cannot find this option again

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You might try doing a reset of your AirPort unit. Use a pen or paper clip to press in on the recessed reset button while you plug it in, then continue to keep the button pressed until the status light flashes several times,
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I Upgraded my MBP mid 2010 to Yosemite and now it will not connect to Internet using a system that involves typing in my user name and password in an auto pop up window provided by Cisco security systems. Before, using Mavericks, it worked perfectly: boot up MBP and the Cisco pop up auto loaded. Typed it my password and hey presto, connected to Internet. Now, zilch. There is nothing wrong with the Cisco cos my iPad connects ok, as do both my iPhone's.
the problem is with Yosemite therefore. Please help. I tried all the usual diags, etc to no avail.
Message was edited by: AWAC

Sounds like there could be some kind of compatibility issue between ICS and this Bluetooth device of yours. Is there any compatibility info from the manufacturer about which Android versions that's being supported?
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Mac will not connect to internet

Hello I have two macs that will not connect to my time capsule's internet. I know it is not the TC because I have a pc that is right next to it with the same settings as the mac and can connect to the internet. I wonder what the issue is.

Go to the System Preferences and Network and when the Box opens make sure that you are set to Automatic and below that the name of your Network is in there and finally in the box on the left that Wireless or Airport is selected and Drag it to the top of the list and the Green Dot is on the Wireless Network that is selected.
Then repeat it on both computers.
Welcome to the Discussions
Don

Mac will not connect to Internet through nighthawk router

my new iMac shows I'm connected to Internet but I can not connect. All other devices do.

Your choice of course but then you have all the various of using MS Windows, viruses, maintenance, etc.
You may find this article useful to help you troubleshoot your networking issues. http://osxdaily.com/2014/10/25/fix-wi-fi-problems-os-x-yosemite/

My imac and ipad2 will not connect to the internet with Windstream using an 2wire DSL modem.

Help my brand new imac and ipad2 will not connect to the internet with Windstream using an "2WIRE" DSL modem. Windstream tech service is useless. i can connect with the built in router through Ethernet or wireless, but still no connecting to internet, help! windstream said everything is working on their end, yea right. What i do know is that both the mac and ipad work at other places and can connect with wireless connected to the internet, so i know it's not the apple products.
these are brand new machines with lion.
This is my first mac, so I’m still new to how it works, which is not helping either so a detailed help would be great. Please help before my wife losses it
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There is a 2701HG-B, and a 2701HG-D. If not labelled on the modem, ask Windstream which one they presently supply or how to tell the difference.
By the way tell your wife it isn't that bad. At least you have an ethernet DSL modem. There were times where DSL modems had RJ-11, USB, and Ethernet, and all three were used to provide access. At least now only the craziest DSL providers still use those modems.

I installed a new wifi router and airport will not connect automatically to it. It sees the network but will not connect unless I tell it to.

I installed a new wifi router and airport will not connect automatically to it. It sees the network but will not connect unless I tell it to. I can't find anywhere in the utility or network preferences that will allow me to choose this router as the default. How do I fix this? BTW I'm using Lion.

Are there any previous networks that you have used that have the same password as Molly? YES
Using System Preferences > Network > AirPort Advanced again, you need to remove any listings of previous networks that used the same password as Molly. Click the name of the network and click the - (minus) button at the bottom of the list of connections.
Also delete any other networks (except Molly at the top of the list) that might have used the same name...Molly in the past.
Delete any other networks that you no longer need so that your Mac will search for networks more quickly
Click OK, then click Apply
Open KeyChain Access and look for a listing of any old networks that you no longer need. Click to highlight the name of the network, then click the Delete Key on your computer.
Then look for any old networks that might have used the name Molly in the past and do the same for them.
Then look for any old networks that might have used the same password as the password for your "new" Molly network and delete them in the same way
Click the KeyChain Access menu just next to the Apple icon in the upper left corner of the computer screen
and then click KeyChain First Aid
Enter the main administrator password for the Mac you are using and highlight the Repair button. Then click Start. You will see a message that repairs have been completed
Quit Keychain Access
Power down the entire network...all devices...order is not important
Power up the modem first, then your main router, the other devices one at a time
Log on to Molly and see if the Mac remembers it after a few tries. If not, I'm afraid that you will need to change the name of the wireless network and password on your router due to corruption issues on the Mac. You have done everything possible without re-installing the complete operating system.

I have just updated the i06 software for my ipad and it will not connect to my home wifi network - all my other devices are able to connect - i have tried all troubleshooting options and none have worked - please help

I have just updated the i06 software for my iPad and it will not connect to my home wifi network - all my other devices are able to connect to my wifi network.
I have attempted all troubleshooting actions suggested and nothing has worked. I have restored my iPad network and factory settings - Please help - this is frustrating me

you have to set up your router to solve th problem. first find and write down the ipad mac address.
then log on to your router using your laptop or any device that can connect to router at 192.168.0.1 in your web browser. please check out my posting about how to resolve the wifi connection problem.
i think the ios6 update has reset the networking but if you set up the router then you should not have the same problem any more.

The light on the front of my Appletv keeps blinking and it will not connect

THe light on my Appletv is blinking and it will not connect.

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Airplay was no longer visible to select on my macbook Air.
So I connected it to my Mac desktop, using USB and a power cord, to reset it back to factory defaults, as directed by Apple.
This took approx 90 mins to complete, then I had to set it up again…….BUT I cannot get it to work it refuses to
accept any password, and I have updated to a new password today but it will not accept it….
I presumed, I use the same Apple ID username & password that I use for iTunes and iMac etc for my Apple TV also ?
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Imac connects to time capsule through wifi but ipad and iphone will not connect

I just installed the new Airport Time Capsule. My Imac connects fine through wifi bit my ipad and iphone will not connect to the wifi. They appear in the wifi settings in the devices but will not connect. I have reset modem and time capsule and tried forget network and nothing is working. ANy assistance would be appreciated. Thanks

So I called apple support being fairly certain that I wasn't going to be able to fix this over the phone but essentially, it now works flawlessly with my iOS devices. Here is what I did.
I have a Motorola cable modem surfboard 6421.
I reset my network settings to dhcp and NAT from the default bridge only mode which the tech said only allows one device to connect at a time. Considering my MBA was already connected to the AE, that would explain why my other iOS devices wouldn't connect. After I changed the settings for the network to DHCP and NAT, the router restarted. I then disconnected the power and coaxial cable from the cable modem and reconnected it and once everything came back up, all devices connected fine. Good throughout and signal. Hope this helps.

I just bought a time capsule and it will not connect to preexisting home WiFi.

I just bought a time capsule and it will not connect to preexisting home WiFi. The Airport Utility recognizes one of my neighbors networks but not mine. I have ATT&T U-verse. I understand I can use the Airport time capsule as a router but would prefer to use it in my existing network

tallswag wrote:
I have a similar hookup, I have a Airport Extreme & Time Capsule. I would like to connect my Extreme to the Time Capsule "6th gen". I would also like to use the LAN ports on the Extreme. Can this connection be done wirelessly or wired? I'm using a Mac Tower that does't have a wireless card if that's important.
As long as you have two apple routers then it is up to you which way you do it.
You can connect them by ethernet and use it setup as roaming network.. for wireless.. it will simply be bridged on the router side. Ethernet is much the faster solution.
But if you want to use wireless link that is also fine if the range is not too great. Then ethernet to the computer.. so you effectively have a wireless bridge...
so, Cablemodem----Airport Extreme- - - - - - - -wireless link- - - - - Time Capsule------computer
Where the more solid lines are ethernet.. that is possible setup. And using the TC directly on ethernet to the computer will keep your backup speed good while also giving you hopefully your full internet speed so that works well.

The bluetooth on my Mac will not connect to my iPhone 6.

I am trying to connect my phone to my mac so I can use airdrop. The Mac will not connect to the phone. I checked my System Information and the Bluetooth on my Mac is LMD 0X4. I believe the problem is that it needs to be LMD 0X6. How do I upgrade?

You do not need to connect/pair the devices to use Airdrop. All you need to do is have Bluetooth on and on the same Wi-Fi network. See this support document for answers to other questions about setting up and using AirDrop. Mac Basics: AirDrop lets you send files from your Mac to nearby Macs and iOS devices - Apple Support

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Place the iOS device in Recovery Mode and then connect to your computer and restore via iTunes. The iPod will be erased.
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If recovery mode does not work try DFU mode.
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After updating to iOS 6, I can no longer connect to my schools wireless network. It uses manual http proxy. Now however a blank pop up comes up and it will not connect you. Thanks

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Turn off your firewall and antivirus software.

DHCP disappeared and Mac will not connect to internet!

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