Currently Being ModeratedJul 30, 2012 10:14 PM (in response to TheSmokeMonster)
Resetting the SMC worked liked a charm. I was having the same issue with the TrackPad and my Early 2009 Intel iMac. After sleep mode, the extended functions of the TrackPad stopped working. Reset the SMC and then let the iMac sleep for about 2 hrs, came back and it worked as its supposed to.
Currently Being ModeratedJul 31, 2012 3:47 PM (in response to Sugith Varughese)
Spoke too soon.
The SMC reset did NOT resolve my issue. It appears to be inconsistent, as initially I did not lose gestures after the SMC reset, but now I am again.iMac, OS X Mountain Lion
Currently Being ModeratedJul 31, 2012 4:20 PM (in response to TheSmokeMonster)
Trackpad settings are default. As the issue only began after upgrading to Mountain Lion, I don't know how I can track an errant application that did not cause an issue with Lion but does with Mountain Lion.
But thanks for the help.
Currently Being ModeratedJul 31, 2012 4:42 PM (in response to Sugith Varughese)
You can start by creating a new user in system preferences>users and groups.
sign into a new user and you are virtually on a clean installation of ML. See if your issue happends in this setting.
You may need to perform a PRAM reset
if that doesn't fix it, and a new user does not show the issue, then it is certainly a third party app conflicting with the OS.
if it still happens in a new user, you may need to reinstall ML from the recovery partition>
To get to the recovery partition restart your computer, hold CMD+R down when you hear the boot up chime. Open Disk Utility first (verify your boot disk and repair if needed) and then close it and reinstall ML.
Currently Being ModeratedAug 3, 2012 9:08 AM (in response to Sugith Varughese)
I had this problem but I found it was the settings that changed when mountain lion was installed.
Mountain lion changed my three finger gestures to four finger gestures when swiping between full screen apps.
I found there were extra settings. Apparently when installing mountain lion my three finger gestures were changed to four finger gestures.
Currently Being ModeratedAug 21, 2012 9:45 AM (in response to Sugith Varughese)
I have called to apple support and did all the resets they instructed me to do and it worked for a week or so and now it is doing the exact same thing, computer wakes up from sleep and the two finger gesture is the only thing that will work. very annoying. I have a case number and was about to call back in but found this is a known issue and dont want to waste my time calling. suggestions?
Currently Being ModeratedSep 1, 2012 11:06 AM (in response to ClappleSutton)
The issue seems to be connected to screensaver, not just sleep.
If I've lost trackpad gestures upon waking from sleep and then screensaver kicks in, coming out of screensaver, gestures is back.
Might be a workaround, instead of restarting.
Currently Being ModeratedSep 1, 2012 11:21 AM (in response to Sugith Varughese)
There are a couple of other discussions on this same topic - and yes the issue is related to both screensaver and sleep. It seems to occur when the computer goes to sleep while the screensaver is active.
Two suggestions that help (but don't fix) the problem (see https://discussions.apple.com/thread/4180109 ):
1. Set a "hot corner" to "start screen saver" (it's in your "Desktop and Screen Saver" system preferences). Whenever this happens, just move your mouse to that corner for a moment, and gestures will start working again.
2. Use terminal to type killall "Dock" whenever the issue occurs.
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