BIOS Updates forum

I have an Acer Aspire 6920g laptop with bricked bios. I'm not able the find the eprom, who are able to find it? Hero you can see photos of the mobo: https://www8.sendthisfile.com/api/trans ... hQPPCh0oNz

I found the eprom, a winbond 25x80. I desoldered it, programmed with last bios and resoldered but now when I press start botton it never turn on. Anybody know what's the problem?