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https://vinafix.com/threads/acer-compal-la-8531p-q5wt6-eg50.3032/
this is bios old error or bios new ok you want change s/n ?
curre unavailable
bios old error you have save ? send or need provi serial you and use.
check again chip you change, can need one chip other...
clear me
you need check chip gpu
i request you provided code but you not provided we can not help.
non Programming
laptop have password right or not ? Do you see code like this ? example [ATTACH]
fix done, Please downloads again :(
i ask file bios old error for you.