3 groups of continues beeps stops on Apple Logo
i have a macbook 13 2011,
a1278 with 3 beeps and stops on Apple logo while installing OSX snow leopard?have you encountered this issue?i am pretty sure its not the RAM, i tried everything on the RAM. PRAM, reseat,replace, swapped etc to a new or working RAM nothing happens same issue,here is a thing, i tried to install the hard drive on my other macbook and boot the hard drive into it and it works perfectly fine, upgraded to 10.9 mavericks , I’m also sure that its not the disk drive either?i played dvd(AVATAR)on it after the upgrade and it works perfectly fine . tried to install a new hard drive with OSX Snow leopard? or prior OSX same problem, group of continues 3 beeps and cannot go through , only up to apple logo with continues 3 beeps, help help help….any idea will be appreciated. thank you
Is this a good question?