[SOLVED]MacBook Pro 15 2011 820-2915-a Intel Turbo Boost doesn't work

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aurel476

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cpu locked at 800mhz with intel power gadget asd efi good I tried benchmark same problem, slow in multitask
 

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aurel476

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Battery not connected because dead,

i tried with battery a1278 same problèm ,

I will order a new battery

why on a1278 model without battery turbo boost work and not a1286 ?
 
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