[REQUEST] Insyde f.38 rev 3.5 hp dv5 1050ee

Hi guys,
I'm Trying to find a solution to unlock the advanced mode of this bios, but no evidence online.
I.ve tried to press A after f10 but nothing happens . Only beep!!
My processors is amd Turion x2 ultra dual-core mobile ZM-82
Ati mobility radeon hd 3400
The bios update is sp46501
http://ftp.hp.com/pub/softpaq/sp46501/sp46501.exe
Thanks to all!!