iMac won't wake up with recent Lion install after it goes to sleep

i bought lion when came out , have consistently had problem computer going sleep should, when come wake up, won't. mouse , keyboard act being seen. can push power button on , wake up, mouse , keyboard won't work. have hard reboot working again.

went snow leopard couple of months , reinstalled lion on new ssd drive. 2 days later it's it's old ways of not waking up. never happened snow leopard installed.

don't want pay apple phone call , hoping here me out.

 

anyone else had problem???

tried disconnect keyboard , mouse , repair them seemed work couple of days, did again today. way use computer after happens hard reboot, i've heard can cause hard drive fail if much. why stock hard drive crashed soon.

 

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