OS 10.5.8 sleep mode after update

hi,
I have following problem:
after updating to OS 10.5.8 my both iMac (intel based) will not awake from sleep mode.
any idea??
Thanks
Edgar

Hi, 2 ?'s - (1) Did You Repair permissions Prior to Update (2) Did You Repair Permissions After Update
I would Repair Permissions & go the SMC reset Route.
http://macosx.com/forums/howto-faqs/302002-reset-system-management-controller-sm c.html
http://kb.iu.edu/data/aoxn.html
Hope this helps.....L

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