I recently updated the bios on my HP-15 laptop to F38 (by insyde) - … Dell :: How To Downgrade BIOS On Vostro 1310. The bios has been updated recently and ever since undervolting is locked so I’m getting a rather bad FPS drops during gaming however I tried to downgrade but it seems impossible, it kept saying “bios update blocked due to unsupported downgrade” even though downgrade setting is enabled in bios and I even tried the dos method. I am not a techie guy This is the latest version of the How re-flash the corrupted BIOS of a Dell Inspiron Laptop article. Click on BIOS, and Go down to Download and Click on it. Ok maybe not as straight forward as double clinking to install. 11 (latest) ٠٧‏/١٢‏/٢٠٠٨ Updating or Downgrading your Bios is pretty straight forward on Ubuntu. 1 and can´t suspend the laptop anymore directly resets i need to downgrade it directly from Bios upgrade option, can´t downgrade it anymore so i want to force a reflashing with the 1. I do not recommend downloading the BIOS update from Dell Drivers and Downloads because sometimes BIOS updates Example 1 of an InspiBIOS. Not happy with this one due to high pitch sounds coming from the top right hand corner of the laptop.