Airport wireless loosing connection after sleep

Hi, everyone. every time that my macbook comes back from sleep it does not recognize my network, and start looking for all the networks in my area, so in order to reconnect i have to turn off airport and turn on and then it automatically connect and recognize my network, why is this happening.
please help, i am using airport extreme base station as my router.
Thanks

Try going to system preferences/network/airport and deleting all the unwanted old connections you have made in the past. Make sure the default is set to the top position of the few you decide to keep. By cleaning this up i found it always found the connection upon wakeup

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Hello Warrior801,
Thank you for using Apple Support Communities.
For more information, take a look at:
Troubleshooting printer issues in OS X
http://support.apple.com/kb/ts3147
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Security Update 2007-004 v1.1 did not fix connectivity after sleep

I installed the new security update (2007-004 v1.1) which was supposed to fix airport cards from disconnecting from their wireless network after sleep...but it didn't fix the problem. Is anyone else STILL having trouble?

I was having the same problem with connectivity after sleep, but once I used the Security Update 2007-004 v1.1 I no longer that THAT problem, but now I have another,....
in MAIL, there is definitely a 'long' pause before graphics are displayed. Or while using Safari, the text for a new page will display fairly quickly, but again there is a 'long' pause before the graphics show up. I am comparing the time before the first 2007-004 update and now. Before, the graphics downloaded fairly quickly. In the MAIL program, just clicking on an email caused the graphics to appear, in fact, they were just THERE. But now, again there is that longish pause before they appear.
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Possible fix for OS X 10.5.7, losing connection after sleep, restart

Possible fix for OS X 10.5.7, Airport, losing connection after sleep, restart, or cold reboot.
Issue: (For OS X 10.5.7 on iMac5,1, Intel Core 2 Duo)
=============================================
- After sleep, restart, cold reboot, even though cannot connect to Internet, but the AirPort bars are still full, as if connected.
- Losing Internet connection after sleep, restart, cold reboot.
Possible Fix:
1.Open Network Preference, click on the Location drop down list > Edit Location... > click on the wheel button > Duplicate Location.
a)Select this newly setup location; Use Diagnostic button to connect to the internet. Select Network or enter WEP password if necessary.
b)Test to make sure you can connect to a web page.
c)Go to sleep & wake up.
d)This time, the Airport bar will start to show correctly. Before, it will always be full even when not connected. Now there will be no bars or grey out when not connected.
2.On the left hand side of the Network Preference Window, there is a list of services, such as Airport, build-in ethernet, built-in FireWire, bluetooth, etc.
a)Click on the wheel button on the bottom of the service list; select Set Service Order...; move Airport to the top of the list.
b)Delete any services which you are sure that you are not going to use, such as Bluetooth, etc.
3.Pick one of the locations mentioned in #1, and make it sure it is connected. If not, use Diagnostic button. If you have to select Network or enter WEP password to connect, make it so.
a)Check to make sure you can connect to a web page.
4.Go to sleep & wake up. The Airport bar should be filled up quickly. Try to connect to a web page.
5.Restart computer. Test a web page.
6.Shut down & Start computer. Test a web page.
7.When everything is working fine, you can delete the extra location that you created in step #1.
8.Click the lock on the left lower corner of the Network Preference window to safeguard the setting.

If my assessment is correct, the LIDE 200 driver is version 14.8.1 and dated 26-Sep-2008. It is possible that the driver will not work with the latest version of OSX. I would advise that you contact Canon and ask them the question.
(Removed link because of the way Flash drives the Canon site).
It is not uncommon (though irritating) that devices no longer work when an OS is upgraded. One has to ask the question if (or why) the driver was not written in such a way as to be OS version independent.
Chris
I spoke to Canon over here in Australia. Not helpful at all. In fact they were about as useful as an ashtray on on motorcycle. Having said that the tech seemed to think that there would be an update soon. But that is assuming that Canon are aware that there is a problem with that Scanner under OS X 10.5.7.
Message was edited by: 2point5

Problems auto-connecting after sleep & startup (Changed from WPA to WEP)

Okay, I know there have been several issues similar to this, but after two days of sifting through posts, I still can't resolve this.
A few days ago I switched my AirPort network security from WPA to WEP-128. This was required to allow my Nintendo DS to connect to the netwrok, by the way. After the change, two similar, but slightly different problems started:
My 15" PowerBook G4 no longer auto-connects to the network at startup. The network is listed in the drop-down, and connects with no problem when I choose it manually. The computer seems to have no problem re-connecting after waking from sleep, which is odd because...
My other PowerBook, a 12" G4, won't auto-connect at startup AND won't re-connect after sleep. As above, it has no problem connecting using the Keychain once the network is selected from the drop-down.
So far I have tried, on both machines:
- trashing the system airport prefs
- deleting and resetting the network's keychain entry
- repairing the keychain (no errors found)
- turning off some unneeded power mgt options
- disconnecting USB peripherals
I have also reloaded the software on both my AirPort Extreme base and my AirPort Express hub, as well as restarting both hubs. I've also made sure that AirPort is at the top of the network connection list.
Both laptops are running 10.4.3 and have all the latest software updates installed.
What am I missing?
Thanks.

Both of these replies are helpful, in that they help confirm something I figured out this morning, almost accidentally.
One thing I didn't mention was that during the change from WPA to WEP I changed the network password. Now, I assumed that since the Keychain seemed to be working and I could get on the network manually without needing to enter the password each time, that meant the new password had correctly propagated throughout the system.
So, this morning I go into the Network settings, switch from Automatic to Preferred, select my network, look at the properties, and notice that somehow it has way too many bullets for that to be the correct password. I re-entered the password and that seems to have solved the problem. The new password I had entered somehow didn't make it into this setting. I guess trashing the network prefs, or renaming the network would have had the same effect.

Skype 7.6 (409) Cant connect after sleep/lid-close...

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I've tried several methods;
- deleting $TMPDIR/Skype directory
- deleting my username folder from ~/Library/Application Support/Skype
- deleting ~/Library/Application Support/Skype/shared.xml
- Re-installing skype
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I couldn't find the edit button . I've succesfully found the problem causing it. However since I can't debug the skype app I am unable to find a solution as of yet.
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Lost Airport Connection after sleep/shutdown

Hi there,
I have spent a goodly part of this weekend trying to solve this problem, the time has now come to seek assistance from someone who might know what they are doing!
I have an Airport Extreme Base Station, it is connected to an ADSL ethernet router and then to the ADSL phone line. My G5 connects directly to the router via ethernet. My G3 iBook has an airport card and, sometimes anyway, connects to the internet via the base station.
The problem I have been having is that whenever the iBook goes to sleep it loses its Airport connection and to get it back again takes forever switching Airport on and off, going into Internet connect, changing around the TCP/IP settings etc. I eventually get the connection back (with the original settings), but it's becoming a real pain. The same thing happens after a restart or shutdown, it doesn't automatically connect to Airport and takes forever to get it to. A lot of the time the Base Station doesn't show up as an available network, then all of a sudden it will after various tweakings.
I have checked the airport card and it is positioned correctly. The fact that it occassionally recognises the Base Station makes me think also that the card is OK. So my question is, how can I keep the darn thing connected? I feel there is something simple I am missing.
Incidently, this began happening after I had set it up to print through the Base Station, that only worked for a short period of time. I have since get rid of all those settings.
Hope I have given enough information.
Cheers
NikkiG

Hi NikkiG,
You may want to look at these first...
Changing the priority of your network connections
Knowledge Base Document #106653 on Using network locations in Mac OS X
Knowledge Base Document #106858, which is The Airport Troubleshooting Guide
Connecting to the Internet using AirPort
Have you the default network (preferred) to the AP Extreme?
Jon
Mac Mini 1.42Ghz, iPod (All), Airport (Graphite & Express), G4 1.33Ghz iBook, G4 iMac 1Ghz, G3 500Mhz, iBook iMac 233Mhz, eMate, Power Mac 5400 LC, PowerBook 540c, Macintosh 128K, Apple //e, Apple //, and some more... Mac OS X (10.4.5) Moto Razr, iLife '06, SmartDisk 160Gb, Apple BT Mouse, Sight..

Airport after 10.4.2 Will Not Connect after Sleep

After my iBook G4 goes to sleep it will not reconnect to the internet.
It shows connection.
It shows me the IP.
It will not allow me to do anything online.
I have to quit all internet prorams mail, safari, firefox etc...
Then I have to reset the location over and over and try until it works. Sometimes right off the bat sometimes it takes 10 minutes. This is completely frustrating since even the network diagnostic is showing internet, ISP, etc.
I've rebuilt my keychain.
I've rebuilt the WEP password
I've changed my computer name to be one word no spaces.
I need help! My wife cannot use this computer if it won't connect without interaction. I never had this issue before 10.4.2 was installed.

Henry,
Thank your for the helpful link.
I created a new location based on the info in the link you provided.
It worked.
Now, the iMac G5 rejoins the network automatically after sleep or restart.
I don't know if level 4's need point, you and Frank C. (author of the info at http://discussions.info.apple.com/webx/.68ae4ead) just got some more from me.
mjc

Mac loses wi-fi connection after sleep

Since I upgraded to Mountain Lion, every time I wake my Macbook from sleep, I have to manually reconnect with my wi-fi router, and sometimes it takes upwards of a minute before Airport even senses the various routers within range, includng mine. Before upgrading, when I woke it up, the connection was just there, instantly, for all intents and purposes.
What's up? Is there a setting that I need to adjust?

The loss of connection to wifi after sleep is nothing to do with the TC at a guess.. but typical issue with sleep and wireless.
See the methods of repair for this that Tesserax has prepared.
https://discussions.apple.com/docs/DOC-3411
I presume the upgrade was to Mavericks.. it does have some network issues.
I would certainly use all SMB naming. Mavericks now uses SMB network protocol by default.
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They are short.. keep to less than 20 characters.. less than 10 even better.
No spaces and pure alphanumeric.
Use only WPA2 Personal security with a 10-20 character purely alphanumeric password.
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eg.. TC name.. TC
2.4ghz name.. TC24ghz
5ghz name.. TC5ghz
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Wireless: re-connect after failure...

Hi,
I have a Mac Mini Server...
Whenever it looses wireless connectivity (power outage, I reload the AP and so on) the server does not re-connect to the wireless network again by itself. I also have a MacBook 5.1 unibody (1st ed) that does re-connect by itself when the wireless is up again.
Can I change this behaviour?
Anyone experience the same issue?
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Hello,
I have been having a large amount of problems on my MacBook (Tiger) when trying to re-connect to wifi after sleep (lid and button), to the point where using prefs>network, I couldn't even connect. I could sometimes get it to reconnect with a full reboot but the was intermittent - my issue was predominately on N (which I use a lot) although G was very flaky with a lot of connection dropping also.
Have tried everything, went to the Mac Store and had a new logic board and Wifi card
Upon returning from the MacStore the sleep issue was still a problem and having read this post, I played around with my bluetooth and found that after sleep it started to reconnect again intermittently in either Off, On (not discoverable) and On (Discoverable). I then by chance realised my wireless keyboard was in the cupboard close by. I turned it off and reconnected it and it seems to have cured my problem. I have yet to try with keyboard on but in the past when it has been in permanent use I have never had an issue. So try resetting your bluetooth and your mice and keyboard and doing a full reconnect.
Message was edited by: Chav

MBP won't connect after sleep

For some reason my MBP decided it doesn't want to find a netwerk when I wake it from sleep. My wireless icon is not high-lited. It isn't a problem to connect manually though. I just click on the icon and scroll to the netwerk I want. In my house I use a airport basestation to connect both my MBP and iMac G5. The G5 doesn't have any issues and connects fine everytime. Why is my MBP not automatically connecting? Is there maybe an option to turn this feature on that I can't find and may have reset itself? Thanks for any help.

HI, I changed the settings in my linksys WRT300N V 1.1 from open to wep ( all other wireless settings to default) and now the problem is gone after two days from waking up from sleep several times. The signal is also more reliable.
Problems started after updating from 10.4.10 to 10.4.11 which included Safari 3 and the last airport update. I tried the other suggestion in the posts related to loss of signal and intermittent signal but none worked. When changing the security setting I also changed the name of the SSID and set it to transmit SSID.
Good luck
AP

WLan fails to connect after sleep mode - Satellite T110-10x

Hi,
Everything works fine, wireless connected.
After sleep mode - it fails to connect although it detects my wireless network.
I've tried the latest Realtek driver, still no good.
I've verified that my setup is not to turn down wireless in the power options.
Any idea?

Hi
Where did you find the latest WLan driver?
Here on this Toshiba driver page you can find the latest Wlan driver:
http://aps2.toshiba-tro.de/wlan/
I recommend uninstalling firstly the old driver and then to install the newer version.
Furthermore its necessary to update the BIOS. I read in the forum that similar issues could be solved by BIOS update.
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T440s in Windows 7 Pro loses Wifi connection after sleep 7260AC

Hi guys,
I keep having issues waking up from sleep with my T440s. It WILL NOT connect to wifi and the wireless adapter under windows adapter settings disappears. Only thing that fixes this is a reboot. I have removed "allow windows to turn this device off" under wireless settings.
Driver: 17.12.0.4
Dated: 28/08/2014
Software: Lenovo Access Connections
I do not use windows to connect to WIFI. I have dedicated profiles for each of my wifi networks at home and work.
This is a serious productivity killer.
Any help would be appreciated.
Thanks!
Solved!
Go to Solution.

This is a well-known issue with the AC card. Go take a look at the Intel forum.
You don't necessarily have to reboot to get the card back. Right click it in Device Manager and then disable/enable. It will come back online.
Some tips that have worked for many:
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-Ditch ProSet and let Windows manage your wifi. Profiles might be convenient, but...
-Ad Hoc QoS - WMM enabled. Enable it on your router(s), too.
-Ht Mode - VHT
-U-APSD support - this one can go either way. Some leave it on and don't have an issue. Some have to disable it to have the card work after sleep. You have to play with it.
And, I really believe that the router/modem type can make a difference, too. Some just don't work right with this card no matter what you tweak on the card. With this card, I think an AC router/modem is the way to go.
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Note this: If you use Lenovo Update, it won't create a restore point in Windows so your "Roll Back Driver" button might be greyed out in DM. Always manually create a restore point before you update a driver. And, if it's working, whatever it is, leave it alone. If the release notes don't address an issue you're having, skip it.
Driver updating is way oversold here and elsewhere. If you're determined to update anyway, at least don't be an early adopter. Let other peeps do it first and then come back here and see about the complaints! Also, you can download the driver at Intel in their Administrators sets of drivers. Bare drivers and no software overhead.
Good luck.

No wifi re-connect after sleep - It's caused by Bluetooth!

After upgrading to 10.5.3 my Air would no longer connect to my wifi network after sleep.
I have made no system chnages and it always worked before.
After much testing......
Turn Bluetooth off, problem gone. My Air reconnects to my network after wake.
Turn Bluetooth back on and it no longer connects after wake.
Can anybody else confirm....
Would could be causing this and how is it fixed?

Hello,
I have been having a large amount of problems on my MacBook (Tiger) when trying to re-connect to wifi after sleep (lid and button), to the point where using prefs>network, I couldn't even connect. I could sometimes get it to reconnect with a full reboot but the was intermittent - my issue was predominately on N (which I use a lot) although G was very flaky with a lot of connection dropping also.
Have tried everything, went to the Mac Store and had a new logic board and Wifi card
Upon returning from the MacStore the sleep issue was still a problem and having read this post, I played around with my bluetooth and found that after sleep it started to reconnect again intermittently in either Off, On (not discoverable) and On (Discoverable). I then by chance realised my wireless keyboard was in the cupboard close by. I turned it off and reconnected it and it seems to have cured my problem. I have yet to try with keyboard on but in the past when it has been in permanent use I have never had an issue. So try resetting your bluetooth and your mice and keyboard and doing a full reconnect.
Message was edited by: Chav

Upgraded to lion now my wi-fi loses connection after sleep mode, it still shows as connected but does not go out to the internet. Please help

After I upgraded to lion I have been having constant issue with my wi-fi after sleep mode. I close the lid and when I reopen I open safari and cannot connect to the internet. Wi-fi is on and I am connected to my router, but it doesnt seem to be on the internet. Now how I resolve this issue is turn of the wi-fi and turning it back on, then i am back on the net. this is mos-def a bug i have never had that problem with snow leopard. Please assist or provide hot-fix

I have the same issue and have to cycle the wireless modem on the laptop. Doesn't matter if I'm on a preferred netowrk or no, or if I stay on the same network or move. I come out of sleep, I have to cycle the modem.
It's not life threatening, or anything, but it's a hassle. I didn't have the issue with Snow Leopard.

Airport wireless loosing connection after sleep

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