Hello, i am the administrator account holder and I changed my password and forgot to write it down now I cant log in
More aboutforgotten administrator account password
MacIntosh? Unix? Linux? Windows? Personal computer or work computer? Member of a domain? More information is needed.
download hiren's boot cd assuming it windows since it's an acer laptop or google bootable winnt pass reset... you should find something... basically you will boot into a linux environment and reset the password then reboot and voila you win