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Modèles A1237 ou A1304 / processeur 1.6, 1.8, 1.86 ou 2.13 GHz Core 2 Duo

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What are the possible causes of an overheating CPU and MCP

Hello

After connecting a defective LCD cable on two macbooks A1304 I had no image and the CPU overheats enormously

This cable has probably short circuited a few items ...

After observing the two motherboards I noticed a transistor HS on both the Q9807 serving fueled the backlight

So I replaced these two cards but the problem is always the same :

-No Screen image

-No Startup chime

-The CPU and MCP overheating enormously

As I am not an expert in this field I prefer requested

What are the possible causes of an overheating CPU and MCP after a short circuit ????

thank you in advance for your assistance

Mother board model : 820-2375

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Hello,

Tried to make the SMC reset.

https://support.apple.com/en-us/HT201295

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Did you check you fan speeds? Maybe that it destroyed the fan controller on the motherboard

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David G sera éternellement reconnaissant.
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