Wireless Connection Does Not Connect Automatically After Sleep or Restart

airportextreme2Description:

After booting Mac OS X and/or after resuming from Sleep mode your wireless network connection does not connect automatically to your base station.

Your network is listed as a preferred network and is set to connect automatically.

 

Symptoms:

  • Wireless network remains disconnected even though all required configuration is correct
  • Automatic connection to preferred wireless network does not occur after resuming from sleep mode
  • Automatic connection to preferred wireless network does not occur after restarting or clean booting your Mac
  • Clicking the Wireless icon in the Finder Menu and selecting your wireless network manually will allow you to connect successfully

 

Explanation:

This problem can occur when the System Preferences application is moved out of the Applications folder. Console/Event Viewer:

  • airportd[17]Error: _ACKeychainCopyPassword() expected password for “networkname” not found: -25300 (The specified item could not be found in the keychain.)
  • airportd[17]Expected password for “networkname” not found; skipping..

 

Solution – Fix the Keychain

Step 1 – Delete the offending wireless network from network preferences

  • Click the wireless network icon in your menu and select your network
  • When prompted, enter the password for the network and place a check mark in ‘Remember this network’.
  • Click OK
  • Restart your computer to verify that this solution worked

 

Step 2 – Delete any references to the offending network connection from keychain

  • Applications > Utilities > Keychain Access
  • Select ‘login’ from the list of Keychains on the left
  • On the right panel, sort the list by name and locate the name of the offending wireless network.
  • Highlight all items relating to the offending wireless network, right click (CTRL+CLICK) and select ‘Delete X items’
  • Click ‘Delete’ in the confirmation dialog prompt and close Keychain Access.

 

Step 3 – Move ‘System Preferences.app’ to ‘/Applications’

  • Locate System Preferences on your system. You can do this by browsing to it through Finder or using Spotlight.
  • When you locate it, simply drag it to the Applications folder in the sidebar of your Finder

 

Step 4 – Re-join the offending network

  • Applications > System Preferences > Network > Unlock
  • Select your network from the list on the left (Airport if your using an Apple Airport Extreme card)
  • Click ‘Advanced…’
  • Select the offending wireless network from the list of ‘Preferred Networks’ and click the minus (-) button
  • Click OK, enter your password if requested and then click Apply

Apple Airport Extreme Connection Drops

Apple Airport Extreme Base Station Connection SlowLosing Your Wi-Fi Connection?

After connecting to a wireless network the airport extreme wireless network card in your iMac, Mac Pro or MacBook Pro gradually loses connectivity.

Common Symptoms:

  • Wireless indicator located near the clock begins by showing full wireless connectivity but gradually reduces in strength bars
  • The indicator may lose 1, 2, 3 or all of its strength indicating bars
  • In most cases, eventually all connectivity will be lost and can be reconnected by selecting Turn Off Airport, rebooting or running the Network Diagnostic wizard
  • The Console is showing the message kernelAirPort: Roam (Beacons Lost)

 

Explanation:

Issues such as this have been reported for many different reasons.

Recent forum activity indicates that this issue began occurring to users after installing version 10.5.3 or 10.5.4 of Mac OS X (Snow Leopard).

Other reasons can include incorrect security or channel settings.

Console Viewer:

kernelAirPort: Roam (Beacons Lost)

Solution – Set a Fixed Wireless Channel

  1. Open Finder , Applications , Utilities , Airport Utility
  2. Click Wireless
  3. Change Channel from Automatic to 12 (If channel 12 does not work then try different channels)
  4. Click Update
  5. Allow router to restart and reconnect to wireless network.