Leopard Looses Wireless Network on Wake

Since upgrading to Leopard, I loose my wireless preferred network when the Macbook wakes. Usually I can fix it by turning Airport off and on, but that can take once or twice sometimes. Has anyone else seen this?

here's the fix:
go to system preferences>network> on the left hand side are the type of connections. on the bottom, select the gears picture and set service order. drag the airport to the top of the list then apply changes. this has worked for me.

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Upgrade to Leopard = No Wireless Networking

Hi,
I upgraded my Mac Mini (1.83 GHz Core 2 Duo) to Leopard the other day. Took it to 10.5.2 right after the upgrade.
Everything worked flawlessly for about 2 days.
Then the AirPort networking started dropping it's connection. I have a Wireless Router setup right beside the Mini which it now just barely picks up (1-2 bars) and drops the connection every few hours.
And I can no longer browse / see any of the other wireless networks in my neighborhood.
My MacBook which I also upgraded to Leopard is working fine. Full signal strength and can see the 5-10 other networks in my vicinity.
The Mac Mini was also working perfectly fine before I upgraded to Leopard.
I tried deleting the com.apple.airport.preferences.plist as some posts suggest but that doesn't work. There seems to be other Mini owners with similar problems but no solutions.
I don't want to revert to 10.4 ... any suggestions?

Have a look at the thread at http://discussions.apple.com/thread.jspa?threadID=1506687&tstart=0 for some additional comments regarding this issue, and a commentary from macfixit.com relating to it.

PowerBook G4 12" does not reconnect to wireless network on wake

Since upgrading to Leopard on Friday my PowerBook does not automatically reconnect to my wireless network. I have to manually select the network from the AirPort menu and re-enter my WEP key, however on doing so the dialogue box in which I entered the password reports "Connection Timeout" (after about half a second - so it doesn't look like it waiting for anything to timeout). Despite this the connection to the network is established and if I cancel the dialogue box the connection remains until I put the laptop to sleep.
I'm connecting to a Netgear router and did not experience these problems with Tiger.
I've read some of the other posts on a similar topic, and have already done the following:
1. Installed the Login & Keychain update - has not solved the problem
2. Checked for the file /System/Library/Extensions/AppleAirport2.kext - I did an Erase & Install so this file doesn't exist
Is anyone else having this issue? It seems slightly different to other similar problems reported.

there seem to be ubiquitous problems with wireless networking for everyone. I can confirm for my laptop and my dads laptop (both 12" powerbook g4s) that the wireless network dies after loading a couple pages online or downloading a large file. If you press option click on the airport menu it shows you the transmit rate. It steadily drops from 54 to 1 then no connection when its about to die. I just installed the update and it hasn't died on me yet, but I expect it to. I'll post back in 10 minutes to tell you if its still alive.

Leopard and Wireless network

Ever since i've installed Leopard, when I start my Macbook the networking preferences menu starts up to ask me to create a network connection but I already have one that he recognises and that I can use.
How can I stop having to quit the network assistant everytime I open my laptop?
Thanks

Go to your system preferences > accounts > login items and make sure this is not on the list, if it is delete it.

How do I sahre a printer on XP with Leopard using wireless network?

Please help!

We'll start with the assumption that both the XP and Mac computers are connected to the same local network and functioning normally. You will need to so something on both the XP system, and the Mac:
On the XP computer:
1. Click on the Start Menu and click on the "My Network Places" icon.
2. In the list on the left, click "View network connections".
3. In the "Network Connections" window, find your network connection (probably "Local Area Connection").
4. Right click on your network connection, and select "Properties" from the pop-up menu.
5. Click on the "General" tab.
6. In the box labeled "This connection uses the following items", check the box labeled "File and Printer Sharing for Microsoft Networks", then click on "OK"
7. Reboot the XP machine (usually not necessary, but there are circumstances where it is).
8. Click on the Start Menu and select "Printers and Faxes"
9. Right-click on the icon for the printer you wish to share and select "Sharing..." from the pop-up menu.
10. On the sharing tab, click on the "Share this printer" bullet, and give the printer a name in the box labeled "Share name" (use something simple), then click on "OK".
On the Mac:
1. Go to the Apple menu in the upper left of the screen, click on it, and select "System Preferences..." form the menu.
2. Click on the "Print & Fax" icon in the second row of icons.
3. If the little padlock in the bottom left of the window is closed, you need to click on it and provide the administrator password to make your changes -- do that.
4. Click on the "+" button under the box labeled "Printers".
5. In the window that pops up, click on the "Windows" icon.
6. Navigate to your XP computer and printer like you would navigating to a file in Finder, and click on the printer's name (the one you typed in the box labelled "Share name" in the instructions above for setting up XP).
7. Select a printer model under "Print Using" (if you don't find an exact match, find the closest model by the same manufacturer).
8. Click "Add".

Leopard upgrade = no wireless networking

I upgraded my Mac Mini (1.83 GHz Core 2 Duo) to Leopard the other day. Took it to 10.5.2 right after the upgrade.
Everything worked flawlessly for about 2 days.
Then the AirPort networking started dropping it's connection. I have a Wireless Router setup right beside the Mini which it now just barely picks up (1-2 bars) and drops the connection every few hours.
And I can no longer browse / see any of the other wireless networks in my neighborhood.
My MacBook which I also upgraded to Leopard is working fine. Full signal strength and can see the 5-10 other networks in my vicinity.
The Mac Mini was also working perfectly fine before I upgraded to Leopard.
I tried deleting the com.apple.airport.preferences.plist as some posts suggest but that doesn't work. I also did a SAFE mode boot to no avail. There seems to be other Mini owners with similar problems but no solutions.
I don't want to revert to 10.4 ... any suggestions?

I'M HAVING THE SAME ISSUE ON AN OLDER POWERBOOK G4 (TITANIUM). I CALLED APPLE SUPPORT AND THEY TRIED SEVERAL CHANGES TO AIRPORT SETTINGS (SUCH AS CHANNEL CHANGES). NO SUCCESS. THEIR LAST WORDS TO ME WERE...WELL, LEOPARD REALLY WASN'T BUILT TO RUN ON OLDER MODEL LAPTOPS. THIS, OF COURSE, IS A CROCK OF S__T AS THE LAPTOP MEETS ALL TECHNICAL SPEC REQUIREMENTS FOR LEOPARD
WHAT'S UP APPLE? SHAME ON YOU FOR NOT ADDRESSING THIS ISSUE. IT'S ALL OVER YOUR DISCUSSION BOARDS BUT YOU REMAIN SILENT. IT'S DISGUSTINGLY ARROGANT.

Periodically loose visibility to wireless network

Peridically, I loose visibilty to the wireless network. I have another computer using the same network where this does not happen? This happens on a laptop which does connect to multiple networks in its trouble.
Not sure why but the problem goes away when I restart the computer?

access the router using http://192.168.1.1 ... Keep the username blank and password is "admin" ..
try changing the wireless settings on the router
change the channel - 1 or 11
change the advanced wireless settings
beacon interval - 50
fragmentation & RTS - 2304
if it still does not work , then try updating the drivers for the wireless card on the laptop ..

Bonjour/Airport Extreme only for Wake On Demand, not for Wireless Network

Hi, I'm trying to set up Wake On Demand for my tower (Mac Pro 2009) with an AirPort Extreme (802.11n) but I don't know anything about IPs and servers.
I *don't want a wireless* network, just to be able to wake my tower up with a MacBook when on the road.
I have put the AirPort on an existing LAN-Network and then connected the MacPro to the AirPort. I can go online and I get no errors from the AirPort Utility (latest FirmWare). In *System Preferences* > *Energy Saver* I have turned on *Wake for Ethernet network access*.
Is the Setup complete? Is Bonjour enabled?
How do I access it from my MacBook? Sorry to ask such basic questions but I can't find a solution on this page:
http://support.apple.com/kb/HT3774
Thank you very much for your help!

Is there a beginners guide to this topic available?

Wireless network connectivity issues after upgrading to Snow Leopard

After upgrading to Snow Leopard (10.6.4) I find that my wireless network will not automatically connect to my router (Netgear DG834G) as it used to. First impressions are that the macbook is finding a number of wireless networks but wants to connect to the one that is alphabetically first in the list. It also seems that the signal that the airport is receiving is weak, even when the macbook is next to the router.
Has anyone experienced this when they upgraded?
Any and all help gratefully appreciated
Nick

but a couple that I used with no problem before I upgraded now give me a "server not found" error after I enter my login and password.
Quit Safari. Open Keychain Access /Applications/Utilities. Select Passwords on the left.
Delete the keychains for the sites you have problems logging into AND the Safari Forms Autofill keychain. Now from the menu bar click Keychain Access / Keychain First Aid. Select: Verify. If necessary, select: Repair. You will be prompted for your admin password. Click Start.
Relaunch Safari. Navigate to a site. Login with your user name and password. That will create a new keychain for you.
If you still have problems accessing sites, go to Safari / Preferences then select the Security tab. Click: Show Cookies. Delete all cookies or just the one's for the problematic sites. Now try logging into a site again.
Even though you upgraded to v10.6.7 make sure Safari is up to date. From the menu bar click Safari / About Safari. If it's a version prior to 5.0.5, click your Apple menu (top left in your screen) then click: Software Update...
And check Safari / Preferences - Extensions. Something there may be preventing you from accessing secure sites. If you have any extensions installed, turn that off, quit then relaunch Safari to test.

Sharing Canon Wireless Network Printer on Snow Leopard Server

Trying to setup a wireless printer to share on the LAN via Mac Mini Snow Leopard Server, however the sharing option is not available.
Configuration:
Mac Mini Snow Leopard Server (latest updates etc.) (static IP)
TimeCapsule Wireless network (static IP)
Canon MP620 Wireless printer (static IP)
Two MacBook's (DHCP)
Printer drivers (network drivers, and scanner drivers) from Canon installed on Mac Mini and printer is connected and setup via wireless network on Mac Mini; it is operational and can print from Mac Mini directly without problem
Sharing option on Mac Mini for the printer is missing in Print Settings (missing checkbox), so unable to share the printer on MacBook's via the Mac Mini, also under Sharing Settings the printer option is not there (assuming because share this printer option is not in the print settings)
Ideally, I want to setup the printer on the Mac Mini as a print server, without having to hardline (USB) the printer to the Mac Mini.
Thanks for any help, ideas etc.

Hello and welcome to Apple Discussions.
On OS X Server, you need to use the Server Admin utility (Applications > Server ) to share the local print queue. This requires the Print service to be added/started and then a queue created for the local printer.
Seems unusual that you would want to share a wireless printer from the server. The MacBook 'clients' would still be able to connect directly to this printer without having to connect via the server share so without knowing all the details of your setup it just seems an odd requirement.

Leopard not recognising wireless networks

So I clean installed Leopard on an external HD, but network preferences wont recognise my wireless network or any of the other five I can usually see from here. However, when I am presented with Network Diagnostics option I can see all the wireless networks I would expect, and am able to log into mine. Problem is if the computer sleeps, or if I tinker with the Network Preferences, the connection drops again. Anyone having this problem?

I've also been having this problem since installing Leopard. Every once in a while, my connection will drop (the greyed-out AirPort signal will appear) and Adium will reconnect. This happens sometimes four or fives times in a row. I found that rebooting the airport card via the menu bar fixes it temporarily but it returns.
I also cannot see the other networks in my neighborhood from the menu bar, but can from the Diagnostics. Mine comes up in the networks menu but I have the feeling if I did a fresh install of Leopard, I would have the same problems as the previous posters. Since this is a fairly bad bug in Leopard, I'm sure Apple will come out with a fix for it. It is a new release, afterall. I trust Apple with their updates.

My husband has a Mac mini, vintage 2009, running Snow Leopard. All other computers and devices in the house are able to connect to our wireless network, but since I upgraded his computer to Snow Leaopard it won't connect. What is the problem?

What am I missing here. I'm sure it is some kind of sitting that is not right.
Thanks Pat

Sounds familiar:
lllaassJan 6, 2015 2:12 PM Re: My husband has a Mac mini, vintage 2009, running Snow Leopard. All other computers and devices in the house are able to connect to our wireless network, but since I upgraded his computer to Snow Leaopard it won't connect. What is the problem?
Re: My husband has a Mac mini, vintage 2009, running Snow Leopard. All other computers and devices in the house are able to connect to our wireless network, but since I upgraded his computer to Snow Leaopard it won't connect. What is the problem?in response to Patricia Isaac1
Power off and then back on the router
What happens when you enter the network's PW?
Try forgetting/deleting the network if necessary. To do that go to System Preferences>Network>wifi>Advanced and select the network and click on the minus sign
Csound1 wrote:
Turn off the modem and the router, wait 60 seconds. Turn on the modem, wait 60 seconds, turn on the router.

Wireless looses preferred networks

I have wireless setup at home and work - both are 128bit WEP. I sleep the Mac between office and work. When I get to work - every day I have to re-type the WAP name and WEP key into the Airport control panel to get it to connect. It works fine all day - then when I get home I have the same problem. I have to type in my home WAP name and WEP key for it to find the AP again. Repeat everyday - that is the definition of insanity - to repeat the same steps every time and expect different results. So, I am here looking to stop this cycle of madness.
The AP's do not broadcast their names, if that help. The names are different as are the WEP keys between home and work. And generally speaking, my Windows boxes have never exhibited this type of behaviour moving from home to work. It all started after that last update to 10.4.6 - everything was fine before then.
Can anyone help? TIA from a Mac newbie.
-Josh

Hello Josh and welcome to the forums,
...I sleep the Mac between office and work. When I get to work...
And generally speaking, my Windows boxes have never exhibited this type of behaviour moving from home to work.
Your question is a VFAQ. There's a misunderstanding regarding (putting your Mac to) sleep and networking. Networking services are not built to go to sleep. There's no such thing as an asleep network. Lot of users (not only newbies) tend to forget that. Yes, Apple is doing its best to provide ease of use and setup but that doesn't mean that we're using a HAL-like computer
When you put your Mac to sleep a snapshot of the OS, contents of RAM, and anything else that's running (like your network settings) is placed in a reserved space in PRAM+HD. When you wake up your Mac, it's getting back to the state just before sleep expecting to find no changes in its (computing/networking) environment.
Now enter wireless networks: besides the usual aspects of wireless networking (signal, interference etc.) you're also using wireless encryption (WEP). Running your wireless network with encryption and/or without encryption is a different game. Wireless encryption ***** up more power, is done on the fly and has an impact on the wireless range/signal quality.
Now, if we take a look at the issues you're experiencing, I think they're far from defining insanity
Did you try to shutdown your Mac before switching from one of your wireless network to another? Do you get the same results (having to manually enter WEP every time)?
Network (including AirPort) caches get corrupted from time to time and have to be reset/cleared. You can clear the list of your wireless networks (SystemPreferences-->Network-->AirPort) and re-enter your networks. Take a look at how 2 users solved this here:
http://discussions.apple.com/thread.jspa?threadID=446702&tstart=30.
Now open Utilities-->Terminal and type: lookupd -flushcache (press Return) and reboot your Mac.
BTW: You're using DHCP, don't you?
What about your Windows computers? Do they sleep while in transit from one network to the other?
Macs running 9.x, Macs running 10.4.x and SGI workstations running Irix 6.5.x

Wireless Network on Snow Leopard

Hi,
I am fairly new to Macs, and apologize if i ask a stupid question however.....I was wondering if someone would spend a little of there time and help me out with a few things. Completely high level at the moment.
I have an Imac running snow leopard and in the next few weeks will be purchasing a mac book pro. I wish to set up a wireless network which i understand i can do via airport utility.
First Question - How do i set up user accounts on the network, so that when a user logs into one of the two macs, there greeted with a login notification. When they log in there connected to the network and can i administor these user names through my Imac which will be the admin computer.
Second Question - In the near future i hope to purchase a mac mini running snow leopard server, and then user server admin tools to adminsitor the server remotely, again through my Imac. Again, when the users log in via there network passwords, they are connected to the network and server automatically.
Any help would be massively appreciated, thank you in advance.
Dan.

You can centrally administer user names and passwords, and some user settings such as Finder and Dock preferences. To get an idea of what's possible, read the documentation for Snow Leopard Server. You can also install Server Admin Tools and use the Workgroup Manager application to administer user accounts on your own Mac, even under the client OS. At the authentication prompt, enter "localhost" as the server and use your local admin name and password.
Note that Mac OS X 10.7, due out later this year, will have the server components included, presumably as an optional installation. If you're willing to wait, you can save some money, as SL Server is quite expensive.

Why am I repeatedly loosing internet connection minutes after connecting to a wireless network?

Macbook pro retina display repeatedly loosing internet connection while it's connected to a wifi network. It always regains access after turning wifi off and back on, or by selecting another wireless network.
Already attempted:
Using another browser
Turning firewall off

Just reseted the SMC http://support.apple.com/kb/ht3964, it seems to have worked.

Leopard Looses Wireless Network on Wake

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