Macbook Air loses internet connection after I close the cover

This happens all the time. Whenever I walk away from the computer, I'll close the cover for security. When I return, I'll be prompted for my password.
After I sign back in, on the top, I'll still have my five bars for network connectivity. But if I try to refresh or open a webpage, it will time out.
If I switch from one wifi network to another, it works. I have a dual-band router with a 2.4g and 5g network running. This problem occurs if I'm connected to either, and switching to the other network makes the internet work. Also, in the case of Facebook, after it times out I can then put in Facebook.com and then it goes back to pulling up normally.

If it disconnects, you can use the icon in the menubar to reconnect rather than restart.
If the icon isn't in the menubar then go to System Preferences > Network > Select WiFi on the left > check "Show WiFi status in the menubar"

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My 2012 MacBook Air loses internet services after 10:00 everyday.

Everyday at exaclty 10:00 pm my Macbook loses connection to my wifi network, after reconnection to the network I do not have the ability to surf the web or preform any task requiring a internet connection until 7:00 am. Can anyone please help me, I can't function like this anymore.

If you are positive wifi loss occurs exactly at 10pm etc. then your Air could not be at fault, rather your network.
contact your service provider for in depth options, they will ALSO perform a test on your network and base station (depending on how youre connected).

Mac Book Air shuts down completely if I close the cover and leave for hours. Message: you shut down your computer because of a problem. Any thoughts what is happening?

Mac Book Air shuts down completely if I close the cover and leave email running. Is n't it supposed to just sleep and awaken whe the cover is reopened? Instead, I have to boot it. Any idea what the problem is? I am unaware of any problem, just close the cover for safety.

Well I don't know anyone that closes the cove and leaves it for Hours... But try going to System Prefrences > Energy Saving > Uncheck Put Hard Disk to Sleep.

MBA loses internet connection after waking from sleep

I have a new Macbook Air running Mavericks and new 802.11ac Airport Extreme router.
My problem is that the MBA drops the internet connection after waking from sleep. I tried the solution offered by the OP, but it didn't work.
In my case, here's what I have to do to get a connection again. I open the Network preference pane, and then choose "Assist me..." and then "Diagnostics". Invariably it will show a green light beside Wi-Fi, Wi-Fi Settings and Network Settings. I have 5 bars showing in the WiFi menu bar icon. But ISP, Internet and Server will be yellow.
When I go through the steps prompted by the wizard, the ISP/Internet/Server lights turn green on the third screen where I select the wireless network I want to join.
It seems as if it's connecting to the WiFi network when it wakes from sleep, but losing the internet connection?
Note: I have a new iMac as well running Mavericks and don't have this problem with it.

The warranty entitles you to complimentary phone support for the first 90 days of ownership.
If you bought the product in the U.S. directly from Apple (not from a reseller), you have 14 days from the date of delivery in which to exchange or return it for a refund. In other countries, the return policy may be different. If you bought from a reseller, its return policy applies.

Macbook Air failed wifi connection - Does anybody know the solution?

Macbook Air has been connecting to Wi-Fi network without issue for almost 2 years.
Haven't been able to find a solution to 'failed Wi-Fi connection' so far.
Wi-Fi is turned on but is not connected to a network.
Wi-Fi Settings Failed.
Have tried trashing:
Library/Preferences/SystemConfiguration/com.apple.network.eapolclient.configurat ion.plist
Library/Preferences/SystemConfiguration/com.apple.network.identification.plist
Networkintefaces.plist
And restart, but no change.
Mac OS X Version 10.7.5
1.6GHz Intel Core i5
Does anybody know the solution?

Had restarted the router a few times to no avail.
Checked out the vendor's website, but wasn't able to find anything of use, -it was limited options wise.
Nothing in the OS X recommendations for Wi-Fi settings jumped out me.
I wasn't able to experiment with the band/channel settings.
I ended up buying a USB/Ethernet adaptor so I could at least have access to the net (5 days ago), -which didn't change the Wi-Fi issue...
However, after a couple of days without use, I've woken the machine and noticed the Wi-Fi signal at full strength. The network is detected and connected!
Problem solved ...But how?

Lose Internet connection when I change the SSID

Hi everyone!
well, i bought a WRT160N router, and i have a problem that is annoying me.
I connected the Router to the modem, and all the wired connected PCs were working perfectly.
But then, i went to the setup page to configure the Wireless settings, and as soon I changed the SSID name, the connection internet connection dropped!
The only way i had to fix this was by making a Hard Reset.
after that, I also tryed changing values and settings from all the configuration tabs, and the wired connection was working properly, but as soon i changed any value from the Wireless tab, the internet connection dropped (even, in the diagnostics section, i could not do a ping to google. It says unknown host).
Here you have an image of this:
http://imageshack.us/photo/my-images/41/sinttuloesw.png/
I thought that this was a hardware related problem, and i returned the router for another wrt160n, and the problem persisted.
Also, i have the latest firmware
Any idea?

I thought that a wireless client connects to the named SSID that you designate. If you change the SSID while clients are connected, that would be like the network disappearing as far as the clients are concerned. So you would have to reconnect the clients that were connected to that SSID network. Other wireless network parameters that you change would also cause disconnects, like changing the security, changing the passphrase, etc., you would have to reconnect clients with the new parameters that were connected at the time you made the changes.

Macbook pro with maverick 10.9.2 loses internet connection after waking from sleep

Recently installed maverick 10.9.2 on my macbook pro and have been experiencing lost internet connection (dsl connected via ethernet) after computer wakes from sleep. Any ideas?

Me too!
I am on a MAC Pro desktop and I am having the same issues. I go to system preferences and just click the network icon. Then I close mail and when it opens it now sees the network. This is getting very annnoying.

3 iPods and Now MacBook Air lose internet while still connected to network

I have 2 Belkin N+ routers running 2 wifi networks at my home. I have 2 iPod Touch 2G's and a 4th gen iPod. ALL of them loose the internet after anywhere from 2 to 15 min of turning on wifi on the device - on either router. They are still connected to the network, but the only way to re-establish internet connectivity is to turn wifi off, then back on again on the device. Also, if I leave wifi on for an extended time, like overnight, it drains the batteries on the iPods completely dead.
Now, a friend with a MacBook Air came over and had the same issue, with the same "fix."
No other devices have this issue. We have 2 Windows laptops, a Wii, and an Android phone that do not have this problem. Moreover, none of my Apple devices have this issue with any other network I've ever connected to.
I've tried all the fixes suggested here (reseting my iPods and the routers, messing with the DHCP settings, new OS's, etc). I have to assume it's an issue with Apple and Belkin, but I have no idea how to fix it.

Latest firmware. No, doesn't happen with other networks. In fact, one of the wireless routers was at work, and I didn't have the problem when it was there. I could stream online music all day without a problem. Then I moved it home & now I do. Very strange.

MacBook Air - Camera not connected after update 10.8.5

After the OS X Mountain Lion Update v10.8.5, which I updated on my MacBook Air, and I didn't read the part about the camera saying it might not work for MacBook Air. So., carelessly, I updated and then when I wanted to Facetime it did not work. Then I realised my camera wasn't working for all of my apps. Are the Apple Company going to fix this? Or do we have to do something ourselves? I need my camera back.

(1) Do this: (If necessary, print this and bookmark the links before starting the process.)
• If you do not already have one, make a backup of your important files now.
• Use the  > Restart... menu command to restart your Mac.
• Use your Mac's Disk Utility to repair permissions.
• Download and install OS X Mountain Lion Update v10.8.5 (Combo)
• Repair permissions AGAIN immediately following the restart that completes the Combo Update.
• Test your camera to be sure it is working.
(2) If the problem continues, do this:
• Restart your Mac using OS X Recovery (⌘-R)
• Use "Mac OS X Utilities" there to repair your startup DISK (NOT permissions.)
• Restart your Mac normally.
• Test your camera to be sure it is working.
(3) If the problem still exists, do this:
• Restart your Mac using OS X Recovery (⌘-R)
• Reinstall OS X. (You will need to be connected to broadband Internet.)
• As soon as the Mac restarts after the reinstall,
use your Mac's Disk Utility (NOT OS X Recovery this time) to repair permissions.
• Test your camera to be sure it is working.
(4) If the camera still doesn't work, contact Apple or an Apple-Authorized Service Provider for service.
Message was edited by: EZ Jim
Mac OSX 10.8.5

I lose internet connection after shutting down

I lose my internet connection whenever I shut down my desktop. I know it's not my modem or router because laptops, iphones and ipods all have a great signal and connection. This only started happening after I downloaded the latest software update 2 weeks ago. I have a Motorola modem and Apple extreme router.

last two days exactly the same - it states that my network is not available and yet shows it, I then have to re enter the password, also date had reverted back to Jan 1st, however, there was one bonus, scrole on the mouse now works correctly again!

Why does my macbook intermittently lose internet connection when I have internet service?

Hello,
I have checked around on Apple forums as well as the wider internet. My situation is just a bit different than the other solutions I read about.
I have a MacBook, 10.6.8. I have an internet antenna that plugs into the modem, that I plug into my computer. What I have not found in the forums are solutions to an internet connection loss that happens with a hardwired internet connection, ie ethernet wire, not wireless.
I contacted my isp and I was told there is a very strong connection. The internet will cut out when I open another window or just at random times, maybe for 20 seconds. This is very irritating.
Skype and itunes run just fine even when the internet cuts out. I feel there is a problem with one or my of settings. Any help is greatly appreciated.

Most often BitTorrent, iCloud or some other cloud-data application is involved in cases of mysterious bandwidth use by a Mac. If you use iCloud, uncheck at least Photo Stream and Documents & Data in its preference pane and see whether there's any change. If you use third-party network backup software, disable that. If you use a torrent client, remove it.
Otherwise, there's no easy way to monitor network usage per process using built-in tools. If you're an advanced user and you want to try, see the manual page for the nettop(1) shell command. It may or may not provide the information you're looking for.
The third-party products Rubbernet and Little Snitch are supposed to record network usage by processes. I can't vouch for them. Both were available as free trials, the last time I checked. I suggest you uninstall either one when the question has been answered.

All browsers lose internet connection after awhile

After upgrading Safari and Java yesterday, all of my internet browsers are losing connection after awhile (10 - 15 minutes), until I disable and enable Airport. However, when the browsers are dosconnected, the airport connection is still ok, because Mail stays connected. The disconnection in the browsers happens randomly.
So if 1 browser suddenly disconnects, all the other browsers cannot connect either. Mail stays connected. Browsers only connect after I disable and enable Airport
I tried the following stuff:
repair disk permission
maintenance
cleared java's cache
rebooted osx a few times
reseted router

Hi Tim
What does your Application/Browser log say in 'console' ?

WRT350N, Loses Internet Connection after several days of working.

My WRT350N worked fine for 4 days after instalation then stoped communicating with my Linksys modem. I returned my first WRT350N to Best Buy after a day of troubleshooting, and several calls to Comcast, my cable provider.. Assuming I had a bad router I got a replacement, and after 3 days the replacement router did the same thing, losing its internet connection. I found it pecular that I could connect to the router. it looked like it was connected to the modem, but would not make an internet connection, even after restarting my Linksys BEFCMU10 Cable Modem and router several times. I could only make a connection if I pluged my computer directly into the modem. I also check for firmware updates and at the time there were no firmware updates.I returned my second WRT350N to Best Buy requesting a refund and re-installed my original WRT54GS. Does the latest version of firmware resolve this specific problem? Judging by the inquires on this forum, it would appear that alot of users are experenceing this same problem. I really like the Idea of the Storage Link, but I think I will wait till they work out there problems with the WRT350N, before I buy another Linksys product.

I suffer from the exact same problem you describe ever since I bought my WRT350N 3 weeks ago. I do not have a solution for you unfortunately. Maybe if everyone with a WRT350N with this problem chimes in here, Linksys will take note.

Server loses internet connection after creating virtual switch in hyper-v

On a fresh Server 2012R2 Essentials install, I set up Hyper-v and created an external virtual switch. Connection to the vm is good but Health Report no shows loss of internet connectivity and that the router is incorrectly setup.
However, I still have a working internet connection? I worry that the server may not update or allow Anywhere Access at some time. Any suggestions? Thanks

If Hyper-V virtual switch behaves strange and server is destined for testing, then it's correct and I recomend delete this virtual switch and create it again.
Here is some issues with internet connection and Hyper-V switch, none of them does not match your problem, but can be inspirative for troubleshooting:
Windows 8 Hyper-V - how to give VM internet access?
Hyper-V kills internet connection when bridging
Configuring Hyper-V for multiple subnets with only one NIC (Server 2008 R2 Edition)
How does basic networking work in Hyper-V?
Best Regards,
thennet

Lose internet connection after few days.

I have a Linksys Wireless router WRT54GL. And it was working fine, and then today it wouldn't allow access to the internet though wired or wireless. The only way for me to get it to work again is to reset to factory default. The only thing I change from factory default is the wireless connection. Other then that every thing is basicly kept the same. I just make it WPAP with TKIP and a WPA shared key. Now that connection till works, but the router just won't give access to the internet. Wireless or wired, it just won't give it out till I reset the factory default. Any insight would be great. Thank you! Jeremy.

Well it did it again when I woke up today. I looked at the status before restoring factory default's and it showed the IP address of my ISP, and it showed the domain name of my ISP. My ISP uses DHCP, so I tried to renew it before restoring default, but that didn't work ether. Let me try to think, I got my high speed on a Tuesday, and from Tuesday to Friday it worked fine. Friday I got my Vonage router, then this all started to happen. Do you think my Vonage router might have some thing to do with this? Any help would be greatly loved! lol Thanks

Macbook Air loses internet connection after I close the cover

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