IMac can't connect to the network.

When I try to open safari (version 5.1.1) I get the message "Safari can't connect to the server."
iTunes can't connect either.
However when I go under system preferences> network, it says Wi-Fi is connected. And all the other computers in the house can get online fine.
I use this computer pretty much just for video/film work, and very rarely use it to go online, so this problem could've been going on for several months without me noticing. (At the moment I need to download some software.)
I've googled it, and seen other people with similar problems, but so far none of their solutions have worked,
Thanks in advance for any help!

In the networks pane of system preferences, click on assist me, and choose diagnostics. Follow the instructions to diagnose the problem network. This may provide useful information to continue troubleshooting.

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My wireless internet is working with all of my other devices but my imac will not connect to the network?

Can anyone help? My wireless connection is working on both my iphone4S and my ipad2, but my Imac will not connect to the network.

First run Software Update to make sure your iMac is up-to-date.
Even though things are working OK on other devices there may still be issues with your modem or router so it's best to start there. Locate the manuals on both devices and reset each. Do the modem first then the router. Next make sure the router has up-to-date firmware. If the problem continues after updating resetting and updating both devices then download and install iStumbler and let it run for about 30 minutes. iStumbler will scan your area for the Wi-Fi networks being used, pay attention to the channels each network is set to. Most routers are pre-set to channels 5 or 6 and if you are in a congested area and all the routers are set for channel 5 or 6 then you can see where there might be a problem. Set your router's channel to one not being used in your area, you have at least 14 channels to choose from. Also check to see if your router is using 802.11n, if it's not then it would be wise to upgrade the router to a faster device.
Next is if you are still having issues the problem could be your ISP's DNS settings. If you want to learn about DNS please read CNET's DNS Article and MacWorld's DNS Troubleshooting . Then use the instructions below to reset the DNS settings:
1. System preferences
2. Network
3. Click Advanced
4. Click DNS tab
5. Click + sign
6. Add 208.67.222.222
7. Click + sign
8. Add 208.67.220.220
9. Click OK.
10. Exit System Preferences

Upgrading to xcode and can't connect to the network

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If you are encountering this problem running a simulator binary within gdb, make sure you 'set start-with-shell off' first. 3.2.5
Ok, couldn't solve it, so went back to 3.2.4, as suggested somewhere. The application is not crashing anymore, but now the library can't connect anymore to the network. Tried to rebuild it (I didn't write the library but I have the sources) and use the new library, but nothing. Still the library can't connect to the network. I tried with every simulator.
Any idea what there could be wrong and how I may be able to solve this? Can I somehow delete manually everything related to xcode and the simulator and try to start all over again?
Thanks!

I've been able to temporarily solve this problem by removing the entire Development directory and installing again xcode 3.2.4. Even with xcode 3.2.4 however, the same happened, and I had to do this procedure again. Now it seems to be working correctly, but it seems something very strange has happened. Hasn't anyone experienced anything similar?
Thanks!

HT4260 I did everything the article suggests. And for my macbook pro it works perfectly. But all the other devices (iphone 5, 4, Macbook Air) can't connect to the network. Anybody any idea's?

I did everything the article suggests. And for my macbook pro it works perfectly. But all the other devices (iphone 5, 4, Macbook Air) can't connect to the network. Anybody any idea's?

Try resetting your modem. Power it down. Wait a moment, then power it up again. While it resets, do not change what is connected to it.
In another, though unrelated article, Apple recommends the following:
If you have configured your Wi-Fi base stations in the past, it may be helpful to do a factory default reset of each Wi-Fi base station that will be part of the wireless extended network before you begin.
This step really ought not be considered optional for the configuration you propose. If the problem persists after resetting your modem, reset everything else too.

Upgrade ip5 to ios6.0.2 and now I can't connect to the network (was fine with 6.0.1).

I just upgraded my ip5 to ios6.0.2 and now I can't connect to the network (was fine with 6.0.1). I bought the phone online in Canada but have a Hong Kong simcard. Any solution to connect to network?

I bought mine in the US and activated using a German SIM. It worked fine first on 6.0.1. After upgrading to 6.0.2 the SIM does not work. I have reset the reset the phone and still does not work. I loaded a new SIM and the phone worked for few minutes before going to Searching mode after I restarted the device. I am being told by the Genius Bar team that this is a Hardware failure.

I PAD 2 won't activate to itunes - can't connect to the network

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I brought a third computer, iMac G5, into the house. The first two Intel Macs connect to the internet. The third doesn't see the network. How can I connect

Harry Katz wrote:
I brought a third computer, iMac G5, into the house. The first two Intel Macs connect to the internet. The third doesn't see the network. How can I connect
How are your Intel Macs connecting to the Internet? If wirelessly, what type of Wi-Fi equipment are you using? Is your wireless base station configured to support 802.11b or 802.11g clients? If you connect that iMac G5 to the base station with an Ethernet cable, can it connect to the Internet?

Ipod stuck in recovery mode and won't restore. says it can't connect to the network.

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Make sure the setting for your security software allow iTunes to contact Apple servers:
iTunes for Windows: Troubleshooting security software issues
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Printer can't connect to the network HP photosmart c309a

I keep having connection issues with my printer. I recently moved it from one room to another and it will not connect to the network. When I do the network test, it doesn't find it and it doesn't find an IP address either. Getting very frustrated.....

Try to move the printer back into the previous room and re-connect.
If it connects with no problem, your issue would be the distance between the router and the printer.
It should be presented in the same room. Before you try doing this, unplug your router for about 20 seconds and plug it back in, and try to connect.
Let me know if this helps, thanks.
**Click the KUDOS star on the left to say 'Thanks'**
Please mark a reply "ACCEPTED AS SOLUTION" if it solved your problem, so others can find it.

My iMac can't connect to my network or internet why?

So I have a Netgear DGND3700 modem router, and every morning (happened 3 times now) when i get up and turn my imac (late 2012 model, the thin one) on it won't connect to it, the wifi icon in the top right is greyed out. So I click on my network and it doenst connect until I turn my modem router off and on, then my imac connects perfectly for the rest of the day, until the next morning it can't be my imac can it!?
This also happens with my ipad and iphone. What is the issues, is it ios7 or mavericks?
PLEASE SOMEONE HELP this is doing my head in.
this is the modem >

Hello, littlemold
Thank you for visiting Apple Support Communities.
I see you have already processed most of the relevant troubleshooting steps for this issue. This could be related to your router assigning a self-assigned IP address. I would recommend going through the steps in the article below.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/HT202222
Cheers,
Jason H.

My other computers can't connect to the network/internet

i am using a cable modem and have it hooked up to my airport express.
my mac is accessing the internet fine, but my laptop (windows) can't log on to my wireless network and connect to the internet.
i've tried to change my internet sharing preferences under "sharing", "internet", but that does not seem to be the right solution. when i try to connect with my laptop, it asks me to enter in a WEP, ASCII code. i've read all through the help menu and it told me to enter in "applecomputer" as the password, but that doesn't work either.
any help, ideas, and suggestions would be greatly appreciated.
thanks and take care!
iMac g5 Mac OS X (10.4.6)
iMac g5 Mac OS X (10.4.6)

i am using a cable modem and have it hooked up to my
airport express.
my mac is accessing the internet fine, but my laptop
(windows) can't log on to my wireless network and
connect to the internet.
The problem you are having probably lies with the encryption key.
Accessing a Airport Network with a Windows XP PC or laptop (with XP SP2)
http://www.ifelix.co.uk/tech/1011.html
Accessing a Airport Network with a Windows XP PC or laptop (with XP SP1)
http://www.ifelix.co.uk/tech/1010.html
iFelix

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Well now we know what the issue is. You are not connection to your wireless router via SSID and password.
Go here.
http://h10025.www1.hp.com/ewfrf/wc/manualCategory?product=4110396&cc=us&dlc=en&lc=en
and download the Getting Started and User guide. Page 7 of the User guide is where you want to start. You may have already done all this... but you have not detailed anything yet so I don't know. Keep the USB cable disconnected and start the CD. It should prompt you to plug in the USB cable. If not, plug the USB cable in and start the CD again. Now detail each step and let us know where it fails at please.
Say thanks by clicking the Kudos Thumbs Up to the right in the post.
If my post resolved your problem, please mark it as an Accepted Solution ...
I worked for HP but now I'm retired!

HT5192 Update to iOS5.1, error message says can't connect to the network

I'm unable to update my iPad2 and iPhone 4 with the new iOS 5.1. I'm continually getting an error message that says, "There was a problem downloadng the software for the iPad. The network connection could not be established". And yes my internet is on and working!
thanks
Helen

Open Keychain Access in Utilities, use Keychain First Aid under the Keychain Menu item, then either check the Password under that item, change it, or delete it and start over.
You may have multiple entries. Delte them all.
Open Keychain Access in Utilities, enter the part after the @ sign in the search bar, hit enter
The Password rejection can confuse people since it's a catch all meaning...
This Password, Username, Authentication method... is not recognized on this Port to this Server, or a server end problem.
If using a browser to login via WebMail works it's not Name or Password, but one of the other ones.
The receiving email ports are:
IMAP is port 143
IMAP-SSL is port 993
POP is port 110
POP-SSL is port 995
Outgoing ports are...
SMTP and SMTP-SSL is on ports 25, 587 and 465. Port 587 has to be SSL, and port 465 is enforced TLS-wrapped and is generally used by Outlook users.

Can not connect to the network

I just purchased the Apple TV. My network consists of an Airport Extreme "n" base station and a Powerbook. I "had" WPA security set up on the network, but since I had trouble connecting the Apple TV with the password, I reset the base station and are back to the default configuration, no security, and in bridge mode to troubleshoot. Even with this configuration I am unable to connect the Apple TV.
I get:
Connection Failed
Apple TV could not connect to the Internet. Check your network settings and try again.
My laptop is right next to the Apple TV, has a very strong signal and does connect.
So far I've been unable to get anyone at Apple Technical Support to give me help on Apple TV.
Anybody have any ideas?
Thanks!

Wow... what an ordeal! I did get it working. I had to perform a "Factory Reset" on it and then it was able to connect. I tested it with a couple of movie trailers and it worked fine. I changed my network back to WPA with a password that I would be able to reproduce in Apple TV, and it connected up fine. What a big sigh of relief! I am now streaming my iTunes content and life is certainly wonderful!
I am very happy with it! It only took me a little over 5 hours to install it!
Thanks for all your help Winston!

I recently upgraded itunes. now i get the error message that itunes can't connect and the network connection has timed out

i keep getting an error message that states
itunes could not connect to the store. the network connection has timed out.

Try temporarily disabling your firewall and see if you are then able to access the iTunes store.

IMac can't connect to the network.

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