MacBook Pro 3 beeps randomly while sleeping.

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hey guys, have late 2011 13" macbook pro 500gb sshd , 6gb of ram (thankfully integrated gfx) beeps 3 times while sleeping. i've reinstalled os x , put new hard drive in it. also, have tested ram, reports working fine.

appears when going 'safe-sleep' or 'hibernation'. when this, have hold power button. i've tried instructions this page. (a.k.a sudo pmset -a hibernate mode 1), annoying wait macbook reawaken (progress bar) after sleeping couple of seconds.

anyway, sorry if post long, wanted include proper information.

(and yes, i've reset pram/smc)
 

6gb of ram? or did mean 16?

loud beeps or soft beeps?

sleep on battery or sleep on ac power or both?

turn hibernate off.

try set old-school sleep.

sudo pmset -a hibernatemode 0 darkwakes 0 standby 0 standbydelay 0 womp 0 autopoweroff 0 autopoweroffdelay 141006540
 


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