Update bios fail Acer travelmate 2502LMI

Do you have a question? Post it now! No Registration Necessary.  Now with pictures!

Hi all,
sorry for my english, i'm italian boy.

The problem is: Impossible to boot the computer,Black screen, power
on.Bios update procedure fails.
how to crisis recovery on my acer?
On acer site found winbios ver 1.16 but how install it?
Where found dosbios and key sequence to boot my acer?


Site Timeline