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The keyboard does not work properly.
He seems to be slow sometimes, for example when I type, some letters do not appear.
This problem does not occur all the time but frequently.
The trackpad works just fine.
This makes it difficult for me to write a report.
What can I do?
MacBook Pro, Mac OS X (10.7.3), bought in (Sep) 2011
System preferences, keyboard,Modifier keys restore defaults
Keyboard short cuts, restore defaults
If that does not work then do
PRAM reset
http://support.apple.com/kb/ht1379
SMC Reset
One or more keys on the keyboard do not respond
The keyboard does not work properly.
