MBA not connecting to network drives after waking from sleep

I have been having this problem over the past few days. When my lat 2010 MBA wakes from sleep it will not connect to my NAS. If I try to force it too connect finder will crash and I get the cannot find finder.app error -10801. The only way I have been able to get the MBA working is a hard reset. Then all is well until I close the lid and wake it up at some point.
I was thinking about re-loading SL, but thought I would check here for any thoughts on this problem.
Thanks
Jim

Hi Carl,
This will fix many problems AND clean up a lot of useless stuff.
Get Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, boot holding down CMD+s, then when the prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
One other "Wake" problem... ignore the HW and other symptims because it works in many other situations...
http://docs.info.apple.com/article.html?artnum=304482

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bender73 wrote:
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My macbook pro (lion 10.7.2) takes several minutes to connect to the internet after waking from sleep. Is there any way to make this instant?

Hi
My Macbook Pro 15 inch takes several minutes to be able to connect to the internet after waking from sleep. Does anyone else have this problem and is there a fix?
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My MacBook Pro won't reconnect to my Wi-FI automatically after waking from sleep mode

Hello, everyone. Since I updated to Yosemite, my MacBook Pro won't reconnect to my Wi-FI automatically after waking from sleep mode.
Does anyone know how to fix that?
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Hi, arthurpacifico.
Thank you for visiting Apple Support Communities.
Here are a couple troubleshooting steps that I would recommend trying to see if it corrects this issue.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Reset your computer’s PRAM
http://support.apple.com/kb/HT1379
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Symptom: After restarting or waking from sleep, my computer might not connect to the Internet
After waking from sleep or starting up, your computer may not show that it is connected to a Wi-Fi network.
After start or wake, your computer may indicate that it is connected to a network, but does not connect to the Internet.
Solution
Use these steps if your computer does not automatically connect to your desired Wi-Fi network.
Check your TCP/IP settings in the Network pane of the System Preferences. Click the "Renew DHCP lease" button
Choose System Preferences from the Apple menu.
Choose Network from the View menu.
Select Wi-Fi, then click the Advanced button in the lower-left hand corner of the screen.
Click the TCP/IP tab from the top of the screen.
Click the "Renew DHCP lease" button.
Select the Wi-Fi tab and view your Preferred Networks list.
Select each network and click the minus sign to remove those networks from your Preferred Networks list.
Click OK and close the Network preferences.
Remove your stored network passwords using the Keychain Access Utility.Restart your computer.
Open Keychain Access from /Applications/Utilities. Your window will look like this:
Remove your AirPort network passwords from the login keychain: Select the "login" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".
Remove your AirPort network passwords from the System keychain: Select the "System" keychain from the Keychain sidebar. Click the "Kind" column to order the list of keychain items by their type. Remove all entries of the kind: "AirPort network password".
Note: The above steps will remove your Wi-Fi network passwords. If you do not know them, or if your network does not use passwords to restrict access, you should contact your network administrator.
Join your Wi-Fi network. You will need to enter your password for your network again if it requires one.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/ht4628
Cheers,
Jason H.

My iMac won't automatically connect to wifi after waking from sleep mode

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I recently bought a Mac Mini (Mid 2010 model)...my first Apple computer since my dearly departed IIe. I've been having repeated intermittent issues with the WiFi on this machine.
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I create a new 'location'.
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Hi, this has worked for a few...
Make a New Location, Using network locations in Mac OS X ...
http://support.apple.com/kb/HT2712
10.7 & 10.8…
System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.
10.5.x/10.6.x/10.7.x instructions...
System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.
The interface that connects to the Internet should be dragged to the top of the list.
10.4 instructions...
Is that Interface dragged to the top of Network>Show:>Network Port Configurations.
If using Wifi/Airport...
Instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.
For 10.5/10.6/10.7/10.8, System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers...
208.67.222.222
208.67.220.220
Click OK.

MBA loses internet connection after waking from sleep

I have a new Macbook Air running Mavericks and new 802.11ac Airport Extreme router.
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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?
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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.

Network connection after waking from sleep

Hi... More or less any time I allow my MacBook Pro to go to sleep, when I wake it up I am nearly always disconnected from my Airport connection (I connect to a NetGear wireless router via my internal Airport card). I go up to the menu bar and click on the now grey airport icon and I do still see my network in the list of available networks. I click on it, after several seconds a message comes up that says "there was an error joining the Airport network "network name""... But I then simply click on OK (rather than Try Again, I've learned that by trial and error) and the network reconnects just fine... Then when I let the machine sleep again at some later time, I do that all again... Any suggestions of what might be going on??? I do have "Use Interference Robustness" turned on (not that I know why exactly) but I've also had it off before and that seems not to matter... Any suggestions??? thanks... bob..
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I have "join preferred networks" selected, and mine os the only one on the list, and it still does not connect after waking from sleep. It is WEP security, not WPA2. I checked out the following article, but it was of no help:
http://docs.info.apple.com/article.html?artnum=304482

On my new iMac, mail has no sound after waking from sleep. If I select do not wake for network access in general preferences, the problem does not occur. Anyone have an idea on how to fix this?

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External Hard Drive Fail After Waking from Sleep

Hi,
I've been having this issue for over a year (since upgrading to Lion, and now still persists after upgrading to Mountain Lion), and I haven't been able to find the exact answer I need after searching through the posts here, and on the internet.
I have a 2011 MBP, and after upgrading to Lion last year, I've noticed that my WD external hard drive for the Mac has issues to be recognized after the laptop wakes from sleep. The drive icons are still there on the desktop, and all the files are listed. However, I cannot open any of the files, and Time Machine backup automatically fails.I am able to eject the drives by dragging the icons into the trash can. However, nothing happens if I simply unplug the fire wire 800 cable and re-plug it into the computer after ejecting the drives. I need to reset the external drive by unplugging both the fire wire cable and the power supply, and replug everything.
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Thanks for this, and apologies for delay in replying...in between seeing your post I backed up the ext hdd to another mac and used the disc utility to erase and repair and then re mounted the ext hdd. OK. I have then tested the ext hdd being recognised when waking from sleep mode a few times and everything appears to be fine. If this doesn't work (long term) I will follow the instructions as you have suggested....
I now have a new problem with my HP printer (Photosmart Plus) which is not being recognised by a new wireless router..Ok whilst the router is switch on and I have reconfigured the printer..but when the router is switched off overnight and then switched back on...I get a 'printer is not connected' message and have to go through the re configure routine all over. I am minded to think this is a router problem as the same issue is happening to my wifes Mac Book Pro (which is only a few weeks old)...any suggestions..

IMac loses WiFi connection after waking from sleep on OSX 10.8.2

Bought a new mid-2011 21.5 inch IMac this week. It is not re-establishing WiFi connection after waking from sleep. Was happening on OSX 10.7 that it came with, so updated to 10.8.2 and same problem exists.
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Could it be the Netgear Wireless Router 3 years old? Full signal strength!

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.

Ethernet slow to connect after waking from sleep

Since installing Lion (and updating to 10.7.1) on my 2008 24" iMac I have noticed that after waking from sleep the internet connection takes about 10 seconds to restore. I have reset the SMC and PRAM and performed a safe boot (in case this helped) but to no avail. The slow conenction can be observed if after waking from sleep the Network System Preference is clicked and the ethernet status "light" is red, changes briefly to amber and then green indcating a connection. The iMac is connected via an ethernet cable to a Linksys 802.11n 4 port wireless router.
I also have a 2010 13" MacBook Pro, with the same OS, and version, conencted in the same way to the same Linksys router and it does not exhibit this problem.
This slow internet connection access after waking from sleep is an annoyance and I'd appreciate any input on how to elimnate it.
Thanks to those wiser than I, who might read this note.

SOLUTION FOUND!
I've found a list of possible solutions here's the link:
http://osxdaily.com/2011/07/22/wifi-dropping-in-os-x-lion-fixes/
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Losing WiFi connection after waking from sleep

I've iMac 27 in. with recently upgraded OS X Lion to 10.7.4. After this was done the problems strated with connecting to Wi-Fi through my Time Capsule (2TB, 802.11n 4th Gen) after waking from sleep. Everything works fine when iMac is started after shutdown. My internet router is connected through ethernet cable to Time Capsule and iMac is using Wi-Fi connection with Time Capsule.
I've tried to install iMac Wi-Fi update v1.0 but it I cann't do it because my OS X is 10.7.4 and the update installer is stopping the installation after the check of my OS version.
Could anybody help to solve this problem, please?

but when the
computer goes to sleep and is then awakened, there
are no wireless networks listed in chooser... like
there are no wireless networks available...
Hi greaser5!
That is definitely NOT typical operation. Yes, your Core Duo iMac must restart after sleep, but It should reconnect to a working network instantaneously (less than a second), although it will probably take longer than that for your iMac to fully restart after sleep and actually be able to use the network.
Delete all prior wireless configurations that you have saved on the "Location:" selector of the Network panel of System Preferences. On the Network>AirPort>AirPort panel also delete all your preferred wireless networks. Click the "Apply Now" button.
Restart your Mac. Turn on AirPort. Use the Network panel's "Assist me..." button and the following blue "Assistant..." button to configure a fresh wireless connection to your working wireless network. This will be fresh and total, just as you did when your iMac was new. There is no need to give your network either a new name or a new password, as the old ones will work just fine in the new configuration, since as you know, the current network is working fine, the iMac simply can no longer connect to it correctly using its current configuration.
I have not been able to test the above on a Core 2 Duo, so do not know first hand if it will make any difference on those iMacs, but that or some similar fiddling should resolve the issue.

No connection after waking from sleep using Express as base station

I find it difficult to re-establish my Internet connection after waking from sleep.
The Airport Express is connected to a wired Linksys router. I am using the Airport Express as my main base station. The Powerbook is joining my preferred network, but I am unable to get any in- or outbound Internet traffic.
I am, however, able to connect to my Linkys and login to to its admin area. When I run Ping and Traceroute diagnostics from the Linksys web interface, everything seems to be fine-- I am able to see outside servers. So the problem is this-- I am losing my Internet connection somewhere between the Linksys router and my Powerbook. Only after I fiddle I reset the Airport Express and fiddle with the Airport menu (Turn Airport On/Off) am I finally able to get out to the Internet.
I have the channel switching set to Automatic, but I've also tried running the Airport Express at different channels to no avail.
Has anyone experienced similar problems?

Since you have an Airport Express connected to a separate router, start by disabling the router built into the Airport Express. To do this - run the Airport Admin Utility, select your Airport Express, click Configure, click the Network tab, and uncheck the setting to "Distribute IP addresses". Update settings to the Airport Express. Then - very important - restart all wireless computers.

MBA not connecting to network drives after waking from sleep

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