you forgot to say LOST HDD PW. the keyword is LOST !
did you ask acer.com first.
then come here, why ask at fixya we have no PW backdoors here
like the maker does. \
are you outside USA>, we show no such model here in uSA>
E1-431 yes, add a 2 no.
432 is 6 years old here.
my guess is this PC has a password EEPROM only the maker can reset.
here is there offical forum at acer.
try asking them they designed it made it and support it.
if the PC is fitted with FIPS or SED hard lost PW
there is no way to crack that with 256bit AES encryption here.
The new HDD can NOT be cracked, even if God like.
and by DESIGN.
if only the BIOS PW is lost say so.