Hi Bill, Have you Reset SMC on your MacBook Pro?
Resetting the SMC on portables with a battery you should not remove on your own Note: Portable computers that have a battery you should not remove on your own <http://support.apple.com/kb/HT3371> include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009). Shut down the computer. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. Release all the keys and the power button at the same time. Press the power button to turn on the computer. Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC. <http://support.apple.com/en-us/HT201295> If you still have the problem you could try: Perhaps you have a corrupt Bluetooth preference file - Trash the Bluetooth Preference file 1. Macintosh Hard Drive > Library > Open Preferences - Find the file “com.apple.Bluetooth.plist" 2. Move it to your Desktop (it should copy there) 3. Remove “com.apple.Bluetooth.plist” from the Preferences folder by dragging it to the Trash Your Mac will tell you that Finder wants to make changes - Type your Password to allow this. 4. Restart your Mac Note: that after deleting your existing Bluetooth preferences. If you're using any Bluetooth devices, like some keyboards, mice, speakers and headsets, you'll need to re-pair them to get them to connect to your Mac. If this fixes your problem, you can trash the file on your desktop whenever you're comfortable. If you still have a problem: Perhaps you could delete all your Networks in System Preferences > Network - Wi-Fi > Advanced - Wi-Fi by using the minus (-) Restart and check Networks showing Or Create a New ‘Test’ Wi-Fi Network location with Custom DNS Cheers, Ronni 13-inch MacBook Air (April 2014) 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz 8GB 1600MHz LPDDR3 SDRAM 512GB PCIe-based Flash Storage OS X Yosemite 10.10.2 > On 22 Feb 2015, at 7:58 am, Bill Parker <[email protected]> wrote: > > Thanks for that Ronni. Followed your instructions. Now I can report that > the loss of WiFi on sleep is far less but not gone. This is the found list: > > com.apple.accounts.exists.plist TODAY > com.apple.airport.preferences.plist TODAY > com.apple.AutoWake.plist APR 12 > com.apple.Boot.plist SEP 14 > com.apple.captive.probe.plist NOV 14 > com.apple.eapolclient.plist APR 14 > com.apple.network.eapolclient.configuration.plist AUG 12 > com.apple.network.identification.plist MAR 10 > com.apple.PowerManagement.plist FEB 15 > com.apple.smb.server.plist TODAY > com.apple.wifi.message-tracer.plist TODAY > NetworkInterfaces.plist FEB 15 > preferences.plist > YESTERDAY > > Bill > On 13/02/2015 11:48, Ronni Brown wrote: >> Hi again Bill, >> >> I just went through my Client files again Re: Wi-Fi issues and step 2 & 3 - >> you might find these files in /Library/Preferences/SystemConfiguration/ >> -- >> 2. From the OS X Finder, hit Command+Shift+G and enter the following path: >> /Library/Preferences/SystemConfiguration/ >> >> 3. Within this folder locate and select the following files: >> com.apple.airport.preferences.plist >> com.apple.eapolclient.plist >> com.apple.IPConfiguration.control.plist >> com.apple.nat.plist >> com.apple.network.eapolclient.configuration.plist >> com.apple.wifi.message-tracer.plist >> NetworkInterfaces.plist >> preferences.plist >> >> Then follow Steps 4 - 5 & 6 below. >> >> Cheers, >> Ronni >> >>> On 13 Feb 2015, at 10:31 am, Ronni Brown <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Hi Bill, >>> >>> What have you tried to rectify the Wi-Fi issue? >>> >>> I have not experienced any Wi-Fi issues after upgrading to Yosemite. I’ve >>> had a few clients that did experience Wi-Fi issues after doing an In-Place >>> Upgrade (not a Clean Installation). I was able to fix their Wi-Fi problems >>> with some fairly simple troubleshooting. >>> >>> Manually trashing the Network plist files should be your first line of >>> troubleshooting. >>> This is one of those tricks that consistently resolves even the most >>> stubborn wireless problems on Macs of nearly any OS X version. >>> This is particularly effective for Macs who updated to Yosemite that may >>> have a corrupt or dysfunctional preference file mucking things up. >>> >>> Remove Network Configuration & Preference Files >>> >>> 1. Turn Off Wi-Fi from the Wireless menu item >>> >>> 2. From the OS X Finder, hit Command+Shift+G and enter the following path: >>> /Library/Preferences/SystemConfiguration/ >>> >>> 3. Within this folder locate and select the following files: >>> com.apple.airport.preferences.plist >>> com.apple.network.identification.plist >>> com.apple.wifi.message-tracer.plist >>> NetworkInterfaces.plist >>> preferences.plist >>> >>> 4. Move all of these files into a folder on your Desktop called ‘wifi >>> backups’ or something similar – we’re backing these up just in case you >>> break something but if you regularly backup your Mac you can just delete >>> the files instead since you could restore from Time Machine if need be. >>> >>> 5. Reboot the Mac >>> >>> 6. Turn ON WI-Fi from the wireless network menu again >>> >>> This forces OS X to recreate all network configuration files. This alone >>> may resolve your problems, but if you’re continuing to have trouble there >>> are other steps you can do to resolve wireless problems. >>> >>> Post back with details what you have tried before I suggest any other steps >>> to take. >>> >>> Cheers, >>> Ronni >>> >>> 17" MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt" >>> 2.3GHz / 8GB / 750GB @ 7200rpm HD >>> >>> OS X Yosemite 10.10.1 >>> Windows 7 Ultimate (under sufferance) >>> >>> >>>> On 13 Feb 2015, at 7:23 am, Bill Parker <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> Wamugers, >>>> >>>> Yosemite 10.10.1 had the habit of closing down WiFi after "sleep". >>>> >>>> 10.10.2 was said to fix that. For me it has not. It doesn't happen as >>>> often but still there! >>>> >>>> >>>> MacBook Pro 13" mid 2010 10GB RAM >>>> Bill
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