I lose internet connectivity OFTEN. 2 times today. Anyone know why?

I lose connectivity to the internet. It happens quite often. I use Firefox exclusively. When I lose the connection I have to go to Explorer and run the trouble shooter there. It finds the problem every time and I can reconnect using Firefox. Any ideas why? Thanks

Is there no one else that has this problem? It has happened to me twice in the last couple of hours. I'll have to quit using Firefox

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just browsing around I found this question. Also on my mini retina I fight with this problem. After a lot of searching I found that the only solution is to switch to
Airplane Mode, wait few seconds and switch again.
Or, if you are lucky, to find a Genius who replaces your unit. Cheers

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http://www.apple.com/support/mac/app-store/contact/

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Settings > General > Reset > Reset Network Settings.
Power cycle the router.
Basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new). Try each of these in order until the issue is resolved.

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Well just for kicks I tried running Firefox for a little over a week along with Safari and jumping back and forth between the 2, very interesting results. I have found that when Safari loses internet connection and gives "cannot find server" type errors that Firefox still has a connection and keeps right on going. I am convinced the error is within Safari but cannot pin down what it is yet. I had same EXACT disconnection issues with an Intel Mini that got so frustrating I finally sold it and it too was running Safari and I wonder if it had the same issue. Not bashing Safari but maybe there is a problem with Safari and Comcast cable that is not showing up with other internet providers or browsers ?? I am pretty sure my connection is good as all the cable wires, modem etc are all new and my PC which his hooked to the same router and shares the monitor/keyboard with the G4 never loses connection when Safari does so I think this cuts the cable out of the loop as a problem. Anyone else have similar issues???

I lose internet connection every time my computer sleeps

HI, I lose internet connectivity everytime my laptop sleeps or shuts down. why? and how do I maintain connectivity with wireless router?

If you had mountain lion, you could've used a feature called power nap. It keeps networking on even when the mac is asleep.
On other OS, I guess its bound to disconnect all networks when it goes to sleep You can try an app called Caffeine that doesn't let it go to sleep.

I Lose Internet connection each time my Mac Sleeps

I have an iMac 21" late 2009 model.
Since I installed Lion, every time my Mac "nods" after leaving it a bit, after waking up it will take about a minute for the internet connection (dsl ethernet) to come back. It's frustrating, I turn on my mac to browse the web, I open Safari but then I have to sit there waiting for the internet connection to come back.
Something is wrong and it's annoying..

If you had mountain lion, you could've used a feature called power nap. It keeps networking on even when the mac is asleep.
On other OS, I guess its bound to disconnect all networks when it goes to sleep You can try an app called Caffeine that doesn't let it go to sleep.

Macbook loses internet connection every time it is put to sleep

every time i open my macbook pro from sleep mode there is no internet connection, even though my wifi bars are full and black and my home router is found and ticked. after a 1-2 minute delay my mac then connects to the internet. this happens every time i open my laptop from sleep mode. i have to wait 1-2 mins. this has only started to happen in the last few days and is driving me mad as it shows it is connected to the internet. any ideas ?
thanks

Delete the network from your macbook, system preferences, network, select advance tab and delete it
Then Re join the Wi-Fi network you want.

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I just installed an Airport Extreme base station (802.11g version Apple Base Station V5.7) last week. And it keeps dropping my internet connection at least once a day.
I simply replaced an old SMC Barricade wireless router that died (and was a POS). But I only had to reset the SMC about once every 2 months. Nothing else has changed in my setup. Only the router/base station is different.
The wireless part is fine. Even when the internet connection gets dropped the hard wired AND wireless clients can still access the local network. Reseting the DSL modem has no effect. The only solution is to power cycle (unplug and plug back in) the AEBS OR restart it from Airport Admin utility.
But you can't do that from offsite. When the AEBS drops the internet connection I can't access my office network from home!
Is there a place in Airport Admin Utility which tells you the status of your internet connection like most generic wireless routers with web-based software do?
Any ideas on resolving this?
Thanks

"Any ideas on resolving this?"
Looter,
Based on your description, open AirPort Admin Utility and check the configuration of your main base station on the "Internet" pane. If you're using ethernet cable from the modem to the base station, the top selector [Connect Using:] should show "Ethernet" and the second selector [Configure:] should show "Using DHCP"
Also, check your iMac's System Preferences>Network at "Show: AirPort" and check the PPPoE pane which should show no entries (unless your isp requires its use), and the TCP/IP pane which should show "Configure IPv4:" as being "Using DHCP" - while all other info is filled in automatically.
"Is there a place in Airport Admin Utility which tells you the status of your internet connection like most generic wireless routers with web-based software do?"
No, the AirPort Admin Utility is not web-based, only located on your computer with the information available to it necessary to operate the AirPort system. It does not actually administer the signal. I think that is done only by System Preferences>Network.
"I'm actually referring to the Airport Express base station not my MacBook Pro's wireless connection. Is there anywhere in the Airport Admin Utility software that tells you the status of the AEBS' internet connection NOT the wireless connection."
No, that info is not available in that utility. The information you seek is at System Preferences>Network, but only after the system scans for it. Click the "Assist me..." button and then, on the "Do you need assistance setting up a new network connection or solving a network problem?" panel that opens, click the "Diagnostics..." button. A "Network Diagnostics" panel will then open and if its scan shows there is no internet the lights to the left of "Internet" and "Server" will be yellow instead of green. Meanwhile, it continues scanning for the connection until it is re-established. I determined this by pulling my cable from the phone jack, later reinserting it.
Further information that may be helpful to you can undoubtedly be found in threads such as this other one:
http://discussions.apple.com/thread.jspa?threadID=884049&tstart=0
edit-
In re-reading, I may not have given you what you need. It sounds as if you may be "timing out" somehow on your connection. You might want to check around at some of your log-on settings to see if there is that possibility connected to one of them, even though the only thing I can think of is the "Renew DHCP Lease" button which is unknown to me, as I've never used it.
Message was edited by: myhighway

I Lost Internet Connection 3 Times Today (3/21)

Same issue. Surfing the web, pages stop loading. Turn on and off airport card. Re boot Macbook. Nothing but rebooting the router brings it back online.
This airport issue needs to be fixed. This is no doubt an airport card bug.
The fact that Apple is ignoring and in some cases claiming there is no issue is not right.
MacBook Mac OS X (10.4.8)

have you actually called applecare? it very well may be the isp's service...i wouldnt be too quick to judge...not to be too blunt, but ranting on these forums usually doesnt do anything. however, i do agree ignorance is not right....this is just a friendly reminder that we are users and do not represent apple in any way. we cant go to apple complaning if we dont have the problem. if you really do want answers from apple, please talke to them at 1800MYAPPLE for customer relations and 1800APLCARE for technical support. the techies may be willing to troubleshoot with you, but since we dont have the same problem, it really is hard for us to troubleshoot this problem for you. i do realize you might have posted to see other users experiences w/ this problem and do apologize if this is the case. again, i also apologize for any abrasion this may have caused.
MacBook2GHz Intel Core 2 Duo1GB 667 MHz DDR2 SDRAM
if knowledge creates problems, we cant solve them w/ignorance
-based on Isaac Asimov
Mac OS X (10.4.9)

When using safari I will lose internet connection, however whenever I'm using firefox this never happens. Does anyone know what is going on here?

When using Safari I will lose internet connection, however when I am using firefox this never happens. It is very annoying, does anyone else have this problem and more importantly know how to fix it?

Thank you for the reply. I did what you said, and it worked for awhile and then it started doing the same thing again. I know it's not my internet connection or router, because like I said, Firefox never has any problems. I dislike the new Firefox, so I went back to Safari, but if this keeps up I guess I'll have to go with Firefox.
You are not connected to the Internet.
Safari can’t open the page “http://www.yahoo.com/” because your computer isn’t connected to the Internet.

Airport loses internet connection more often now. Have to reboot. Its about 3-4 years old now. Is there something I can do?

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If your problem is due to interference, you might be able to improve things by changing the channel. An AirPort base station that old is probably an 802.11b/g model, which suggests that the best choices for channel are 1, 6, and 11.

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Ok, so when you say you lose internet connection, is it disconnecting from your wireless network so there are no bars?
And are there usually full bars?

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I lose internet connectivity OFTEN. 2 times today. Anyone know why?

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