Lose internet during sleep

When I place my mac pro in sleep (or it goes to sleep by time out) I have lost my internet connection when I reactivate. Merely restarting Safari will not acquire the internet. I have to restart the computer. Anyone know how to fix this?

That is disappointing.
Here are some things to try.
1. Go to System Preferences > Network, and click the gear icon under the network interfaces like so:
Whatever service order you have set, drag Wi-Fi either to the top (assuming it's not already there) or someplace else in the list. Click OK and then Apply. Sleep the system then wake it again to observe any changes.
2. Click Wi-Fi in the above then click Advanced. Select all the networks your computer has ever joined and delete them with the "-" button. OK then Apply again. Select your network under the AirPort icon to re-join it. Sleep and wake again to see if that did anything.
3. Try creating a new, temporary user account. Log in under that account to see if its behavior is any different.
You may have done all of these already but perhaps there is something you have not thought of. If nothing helps we may just have to wait a bit longer for Apple to release a fix.
I doubt iCloud has anything to do with it. iCloud is just another service like Safari or anything else that wants to connect to the Internet. The computer either connects or it doesn't.
As Sylvie wrote a restart is not necessary - cycle the AirPort power or simply select your network again.

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I have an iMac (Mid 2010) and am running 0sx 10.8.5 and the WiFi always loses connection during sleep mode. I have seen numerous different solutions none of which seem to work. Can anyone help?

I have an iMac (Mid 2010) and am running 0sx 10.8.5 and the WiFi always loses connection during sleep mode. I have seen numerous different solutions none of which seem to work. Can anyone help?

Test after taking each of the following steps that you haven't already tried. Back up all data before making any changes.
1. Make sure the network is on the preferred list by following these instructions. It's important to read the article carefully, as it's the starting point for any further efforts to solve the problem. If you skip any of the steps, the problem may not be solved. Make sure the box marked
          Remember networks this computer has joined
is checked.
2. Follow the instructions in this support article under the heading
          Symptom: After restarting or waking from sleep, my computer might not connect to the Internet
3. Reset the PRAM.
4. Make a note of all your settings for Wi-Fi in the Network preference pane, then delete the connection from the connection list and recreate it with the same settings. You do this by clicking the plus-sign icon below the connection list, and selecting Wi-Fi as the interface in the sheet that opens. Select Join other network from the Network Name menu, then select your network. Enter the password when prompted and save it in the keychain.
5. From the Location menu at the top of the Network preference pane, select Edit Locations. A sheet will drop down. Click the plus-sign button to create a new location. Give it any name you want. In the new location, set up the Wi-Fi service with the same settings you used before. Click Apply and test.
6. Launch the Keychain Access application. Search for and delete all AirPort network password items that refer to the network. Make a note of the password first.
7. Repair permissions on the startup volume.
8. Turn off Bluetooth and test.
9. Reset the System Management Controller.
10. This step shouldn't be necessary, but has been advised by Apple Support in some cases, apparently as a workaround for a bug. Open the Energy Saver pane in System Preferences. If applicable, click the padlock icon in the lower left corner to unlock the settings. Enter your administrator login password when prompted.
Select the Power Adapter tab and uncheck the boxes marked
          Wake for Wi-Fi network access
and
          Enable Power Nap...
if present. Then, if the computer is a MacBook, select the Battery tab and uncheck
          Enable Power Nap...
11. Reinstall OS X.

My magic mouse loses connection during sleep

My Magic mouse loses connection during sleep mode. I also get error message my external usb storage drive was disconnected improperly. I have to unplug and plug in drive generally, sometimes it is still present. For the mouse I generally turn it off and on and allow it to be found again.

This is a late 2009 imac.

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.

Mac Pro running 10.10.2 loses internet connection when sleeping

My Mac Pro running 10.10.2 loses its internet connection only when it goes to sleep. I always have to jump through hoops to reconnect to the internet when it wakes

Try suggested links
http://www.bing.com/search?q=mac+loses+internet+connection+fix

7510e printer loses internet connectivity when it goes to sleep

I own a 7510e all in one printer, I connected it wireless again after having it connected with a USB
cable, I had to do this because my printer loses internet connectivity when it goes to sleep or if I get a power outage, this has been going on since I purchased it last year. I got a new wireless router/modem combo from my ISP server and hoped that would solve the problem but it has not.
I cannot get any apps except for those that are on the front of my printer which are just for small kids. I am now told that this printer has been discontinued and 7520 has replaced it, I do not wish to spend another $200.00 in less than a year for a printer. It is registered with HP connected and I have a Efax # and HP connected address, I did everything correctly but it seems that each time I set it up wireless it messes up my desktop windows 7 home premium 64 bit, cloud services told me not to use IE 10 but we are ready to download IE11 so I am using IE 10, this time HP support assistant quit working and I could not even uninstall it until I downloaded microsoft fix it and then redownloaded it from HP web site.
If anyone has any ideas I would appreciate it, I am not on a home group yet it always tells me I do not have administrators permission to do a lot of things, I am the only user.

Hi emma22
Here is a document for Getting the Latest Firmware and Product Updates.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02979046&cc=us&dlc=en&lc=en&os=4063&product=507...
I checked and there is no way to turn off the sleep mode on this model.
I included a document for Printer Does Not Maintain Wireless Connection and to try Solution three: Assign a static IP address to the printer. You will need to get your It department most likely to set this up for you if you don't have full admin rights.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03678348&tmp_task=solveCategory&cc=us&dlc=en&la...
Hope this helps.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

Anybody else lose internet after computer sleeps?

A 110-23w bought on 2/11/2014. Running stupid windows 8.1. With three hours on tech support ( now waiting on a box)
To ship my brand new computer to the, because it will not reconnect to internet after sleep mode.. does anyone else have this problem.

problem is Windows 8.1. if you do not update to windows 8 on 8.1 would be. I have the same problem and I have only Windows 8.1 I'm still waiting on a driver to fix it. until that time I did not update to Windows 8.1.

New MBP 17 C2D - Machine loses power in sleep mode

Just got my machine so not a lot of usage, but I noticed it ran out of power yesterday. Charged overnight - it was in full charge at noon. Unplugged and used for a few minutes - put to sleep for an hour. Came back and it was at 92%. Used (lightly) for about an hour and battery went to 60%. Put machine to sleep, packed in suitcase and drove for 2.5 hours. Awoke machine and power down to 20%. Clearly either (1) it loses power in sleep or (2) it is waking up on its own and losing power. Only other thing I noticed is that I left parallels running internet explorer when machine put to sleep, and it had shut down (no message but app closed) when machine awoke.
thoughts

Try cycling the battery a couple of times by normal usage and see what happens. I remember this happening to me once as well when I first got my replacement MBP battery (due to the massive recall of Sony batts). After cycling the battery a couple of times by normal usage, it held its charge quite well I must say.

WRTU54G-TM router loses internet connection and needs to be restarted to regain connection.

We recently switched from a WRT54G to a WRTU54G-TM router from T-mobile and the new router seems to randomly lose our internet connection and needs to be restarted to regain it. It could be coincidence but this has happened a couple of times immediately after using our VoIP phone connected to it. I tried switching back to the old router and everything worked fine once again. Typically with the WRTU54G-TM it will stay connected for about a day or so and then it will need to be restarted. Although sometimes it will need to be restarted multiple times in one day. Just curious if anyone had any quick suggestions or setting configurations that I may have missed?
Thanks for your input.
Rylynn

I just added the T-Mobile@Home service and set up a WRTU54G-TM this past Saturday. During the first 4 days, the blue light on the router went out and I lost phone service - until rebooting the router each time. Phone service returned about a minute after rebooting in each case.
I did NOT lose Internet service while phone service was down.
I reached T-Mobile customer care the second time, and the rep I spoke with mentioned that she had a couple of other calls similar to mine earlier in the day. So far, the reps had no official word regarding this problem, and the word going around was simply to tell people to reboot their routers.
Tech Support had about a 20 minute hold queue, so I didn't yet to speak with a technician.
The phone service has been up for the past 2 days -- curious to see how long it holds up this time. Also checking the Linksys site regularly to see if new firmware (beyond the 1.00.04 I have loaded) becomes available - maybe that will address the problem.
When I complained to customer care, the one thing they did was to extend my "buyer's remorse period" to 30 days (instead of the usual 14). So I plan to hang on for another couple of weeks to see if this gets straightened out. I love the service, sound quality and price. Hoping it works out - I want to keep this!
- Jon

Not connected to internet after sleep

Hi my Macbook Pro 13" early 2011 is not instantly connecting to the internet after sleep. I goto network diagnostics, all green lights are on, it says your internet is working fine, I click on a bookmark, it says I'm not connected. I repeat this two or three times, and finally after clicking on the third or fourth bookmark, it connects. I'm on Sky broadband UK through an Airport Express and my iPhone, Android (eeurgh!) 'phone, other computers and PS3 all connect with no problems. Any ideas folks?
Also whilst I'm here, I've noticed software update has downloaded the same EFI firmware update four times, and that other software updates are available immediately after updating software.... Something I'm not used to? And, during restart, the computer beeps. Normal?
Regards
mackers

Well, thanks to Carolyn Samit from San Francisco I think I found the answer by deleting Cache.db from Safari prefs in the library... Haven't been on these boards for a few years now - forgot how to use them! Anyway, if anyone can help with the software update repeats before I search the answer that'd be great thanks!
Hi, nice weather
mackers

Bluetooth connection lost during sleep

Intel iMac frequently loses its bluetooth connection with a magic mouse during sleep and doesn't re-connect upon waking up. A restart is used to re-establish the bluetooth connection. The iMac is a late 2012 model (2.7 GHz Intel Core i5, 21.5 inch screen).

as a workaround then I suspect that turning off the mouse and back on again will make it work
windows 8.1 have the same issue with my razor mouse not with my magic trackpad though
I disconnect the razor mouse and reconnect and all is good quicker then reboot

Wifi loses connection when sleep

why does my wifi lose conection after sleep mode on Lion 10.8.5

Try the basics first:
Change your router channel number. Most times this works & is all you have to do.
Disconnect & reconnect your modem. unplug it for about 10 seconds. Plug it back in. Do the same for Apple’s routers. Wait for everything to reboot.
System Preferences>Network
Click the Assist Me button.
In the next window that pops up, click the Diagnostic button & do the necessary.
Research Knowledge Base for network problems that pertain to the OS that is currently installed on your computer. See these basic networking KB Articles: http://support.apple.com/kb/HT1401 AirPort troubleshooting guide
http://support.apple.com/kb/HT4628 Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT2712 Using network locations in Mac OS X
Manually provided DNS server addresses are higher priority than DHCP's
http://support.apple.com/kb/HT1714 Solutions for connecting to the Internet, setting up a small network, and troubleshooting
============================
What to do when you can't connect to the Internet
Also, run the Airport Utility app which is located inside the Utilities folder.
=====================
If using a Linksys router, contact LinkSys Customer Support and/or post in their forums.
If using Apple's Airport, please re-post over in one of the AirPort Forums.
================
Lion 10.8.5
No such animal.
Lion = 10.7.x
Mountain Lion = 10.8.x

All devices on network lose internet connection when Dell laptop connected

I have successfully setup my AEBS network and am using two wireless clients--HP printer and Xbox access point (both 802.11 G) and a wired iMac that also is connected via Airport (so I can move it around if i want). I tried connecting my Dell Latitude D830 wirelessly and within a few minutes of connecting the AEBS loses internet connectivity. Unplugging and restarting the AEBS restores the internet but it just drops off again in less than 10 minutes. My question is, what might be causing this and what can I do about it? One peculiar thing to me is that I am using the WEP security option since the Xbox doesn't seem to support WAP2. When connecting the Xbox it reports the network as WEP but the HP printer and Dell Laptop but suggested the network was indeed WAP even though I'm clearing using WEP security. Maybe it's nothing but wanted to add for completeness.
The Dell is running Vista Enterprise edition.
Thanks for any help.

I've noticed a similar issue. Any time my HP/Vista laptop is connected to my AEBS it loses the network connection at inconsistant time intervals(~10-15 min).

When I connect imac to network via airport all devices on the network lose internet connectivity

Every device stays connected to the network but the internet stops working. Usually the network will continue to function normally for about five minutes when the imac connects, but then every device loses internet access via the network, NOT just the imac. As soon as I turn off the imac's airport they get internet connectivity back. A wired network connection to the imac seems to work OK.
The airport is configured as "Using DHCP"
Mac OS X 10.6.8
As far as I know, no changes have been made to the computer recently (but it is not my machine and the owner isn't here atm)
I found one other resource with the same problem here:
http://www.mac-forums.com/forums/internet-networking-wireless/183185-turning-my- macbook-airport-breaks-internet-connection-entire-network.html
but the solution didn't work. When I deleted the three files mentioned in the solution in that thread, my problem is not solved.
If you have any ideas or need more information I would love to hear from you.
Thanks guys.

Yes it is possible that the two machines are creating a Computer-to-Computer network and are not going through the Express.
To delete the Alias you may need to login with the Admin User.
Will
1GHz G4, 15" PowerBook, Airport Network, 1G iPod Mini Mac OS X (10.4.5) Updated - Get Started with iWeb (WillG4PB.com)

N95 repeatedly loses consciousness during the upda...

What is the problem as my N95 repeatedly (already 5 times) loses consciousness during the update. There is plenty of power in the battery and I have charger cable connected.
The PC update software always asks me to resurrect the phone ("elvytä" in Finnish) by removing the battery and charger for a moment and reconnecting, pressing the power on button for a few seconds and then pressing some type of "try to resurrect" button on the update sw's user interface.
I have tried to
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* not to give pin (does not resurrect)
* to give pin (seems the way to go but dies again)
After so many times of having to resurrect the phone I have now canceled the sw update, but now the phone seems to die on its own.
What to do?

It's happened to me twice in the last 11 days, and it's happened twice to another user as well. See this thread for more:
https://discussions.apple.com/thread/4408720?start=0&tstart=0
Not too pleased about this, because it takes about 30 hours to sync my 64 GB Touch due to converting to 128 Kbps AAC. This never happened to me with any version of iOS prior to 6. It's just music that goes missing, and it is not due to wireless sync, which I disabled long ago.

Lose internet during sleep

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