Macbook Pro 2010 + Lion = sleep when closing lid no worky

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so, upgraded lion on mbp yesterday. @ first, pretty pleased.

closed lid , walked away....

when came back, noticed hadn't gone sleep. light on front on. when opened lid, screen lit, went black, light on front.

when close lid, light on front goes on, , can feel hard drive spinning up. open lid, , lights out, hd stops....

it's sleep toggle backward.

reboot resolves problem until lid closed again.

reset pram, smc, no difference in behavior.

bah!
 

i noticed same thing 2010 macbook pro froze white screen , had hold power button down. it's done 3 or 4 times in las 2 days since upgraded lion.
reset same @ time.
haven't run problem yesterday or today though. read somewhere takes time computer learn new ios?
 


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