need to read bios chip with eeprom reader and send to us main bios backup if you dont have eerpom reader try to buy it in ebay,amazon like ezp2010 or ezp2019 ,rt809f etc If you are not a technical specialist computer repair you can send your laptop to a service shop and tell them to contact me to unlock your lap top because need to unsolder bios chip from motherboard
Hello Please help me for the bios bin file for Dell latitude 5420 11th I have lost the original fileā¦