Acer 5750G power on, does not display anything on the monitor.

[roby12]

Acer 5750G comes on and the screen black.

Project: LA-6901P rev 2.0

 

The battery is charged regularly and there are no short circuits on the various coils.

I immediately made the BIOS flash + micro_ec with, but I have not changed the situation ..

Without a reflow of their respective chip GPU and Sb, with negative results

 

Insufficient tension on the following reels (CPU and GPU), PL8, PL20 and PL21.

Replaced the CPU, Ram.

 

With wings bench absorbs 0.3 A

 

Vr_on is

 

What do you suggest,

 

thanks

[flavios]

which is your natural language?

 

Did you used any translator? Because your English is strange, and it is difficult to understand what you already did and the results.

 

 

BR

 

 

[roby12]

My language is Italian

[flavios]

ok!!

 

Because with this phrase "Without a reflow of their respective chip GPU and Sb, with negative results" i was confused...

 

BR

[flavios]

when you changed the CPU and RAM, did the tension back to normal on PL8, PL20 and PL21?

[roby12]

 

Agora, eu uso o google tradutore escrever em portogese.

 

PL18, PL20 e PL21 = 0V

PL8=1,5v

Vgate e SysPwork, não está presente

 

Muito obrigado

[roby12]

Mudei o CPU

Eu mudei as memórias RAM

[flavios]

with external monitor? Did you get any image?

[roby12]

Sem imagem no monitor interno e externo

Não está presente, a voltagem da CPU (PL20 e PL21 )

[Gilson Macedo]

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