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REFERENCE Acer 4755 hang on logo

Jaff

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Acer 4755 hang on logo
D pumapasok sa bios

Action taken:
Baklas unit para ma program bios chip kaso ung chip mukhang sunog na
Flash ko pa din wala mahanap ng acer 4755 file meron lang 4752 flash ko pa din sucess pero hang logo pa din

Second attempt,
Hanap ng tamang file may co-tech n nagbigay ng file acer 4755 pero sa folder .ROM hindi binabasa ni flasher kaya RENAME mo lang palitan mo ng .BIN
aun binasa ni flasher, success pero hang logo padin

Nxt move:
Nagpalit ang ng bios chip pull out galing sa samsung laptop at flash ulit gamit ang CH341a programmer
Success nag on ang unit at nag tuloy sa home screen (see pic)

After maasemble ayaw mag on ng unit pero pag saksak ng charger automatic on silip ko sa boardviewer lahat ng power key line at good nmn walang leak or shorted
reason: laptop power flex disconekted ang 5v kaya wala contak sa power at boardafter maaus ang lukot na flex ng power ok na ang unit working power key at all good
Natuwa si clientreceived_728311092370018.jpegIMG_20230318_211102.jpgreceived_925785538560322.jpegreceived_189228457150691.jpegreceived_515126047439887.jpegIMG_20230318_213933.jpg
 
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