Mac book Pro Late 2008 - restart and kernel panic - need help!


tommasky

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Hi,
I really need some support from the Mac community. Here’s my problem:
I own a Late 2008 Mac Book Pro serial W88492RM1G0, 2,4 GHz Intel Core 2 Duo, 8 GB DDR3 a 1333 MHz ( I upgraded the RAM few years ago, originally mounted the 1066 Mhz), NVIDIA GeForce 9400M 256 MB, 1 Tb Fusion Drive with 550Gb SSD and 500Gb HD.

It worked fine until 1 years ago it started having serious issues of power supply. The input of the power supply became very hot, and the Magsafe did not worked properly. The pins were stuck. I changed the Magsafe, but the new lasted few months then started again.
I changed the input on the computer but still it become very hot

Then bigger issues came up:
it freezes if I move it, or even alone, and then shows kernel panic messages.
it restart from nothing, when I work
Sometimes it does not restart and when restart there’s a beep message: 3 long beeps and 3 short beeps. It stops only if I force the shutdown
Sometimes it shows the wrong way sign, once even a half apple.

Please advice on what is the issue, and how to solve it. I’m considering buying a new one, of course, please do not waste our time with such advices. I spent 300€ on new SSD and other works, I ‘d like not to lose that money.

Thanks from the core for your help

Tommaso
 
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Cory Cooper

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Hello and welcome.

The "S.O.S." pattern of beeps that you are hearing is a problem with EFI ROM...a logic board issue:

About Mac startup tones

Since you have had other issues - freezing, charging, overheating, etc., it sounds like the logic board is slowly failing. You could run Apple Diagnostics, if you can get it startup in that mode:

How to use Apple Diagnostics on your Mac

You could also try reinstalling the original RAM if you still have it, to see if that helps the freezing.

Let us know how it goes,

C
 
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tommasky

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Hi Cory,
thank you, this give me a totally different perspective. Looks like the issue is not an hardware one, right? I will try to restore the RAM as well. I have to add that also MOVING the computer from place to place, makes the computer freeze.
 

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