Hello Masters...
The KBC backup is corrupt since it had to be replaced. I have tried some backup without success.
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Board code: La-l181p rev 1b
Serial no: NHQESEX002136064583400
3v 5v ram v , processor v, clocks, aossilation ok, fan spins, processor warns, but there is no display
backup attached here
bios of acer website [url]https://global-download.acer.com/GDFiles/BIOS/BIOS/BIOS_Acer_1.20_A_A.zip?acerid=638301861647497572&Step1=&Step2=&Step3=NITRO%20AN515-57&OS=ALL&LC=es&BC=ACER&SC=EMEA_11[/url]
RegardsHello Masters......