Unknown User Posted April 8, 2009 Share Posted April 8, 2009 I seem to get bad mouse lag after my recent update. Tried iatkos 5i and ideneb v1.4 Both have same problem. Seem to be related to itunes. Can anyone give me a hand with this? narrowed this down to itunes...found on forum you can delete two files found Extensions.mkext cannot find AppleUpstreamUserClient.kext anyone resolve this? Link to comment Share on other sites More sharing options...
verdant Posted April 8, 2009 Share Posted April 8, 2009 I seem to get bad mouse lag after my recent update. Tried iatkos 5i and ideneb v1.4Both have same problem. Seem to be related to itunes. Can anyone give me a hand with this? narrowed this down to itunes...found on forum you can delete two files found Extensions.mkext cannot find AppleUpstreamUserClient.kext anyone resolve this? Go to /System/Library/Extensions......... Link to comment Share on other sites More sharing options...
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