Updating a BIOS is a high-risk procedure. Follow these steps precisely to mitigate the risk of hardware failure.
If your laptop is failing to update due to overheating during the process, ensure your fans are clean and the environment is cool. Alternative: Checking Existing BIOS Version If you are unsure if you need the update: Press Windows Key + R . Type msinfo32 and press Enter. sony vaio pcg81114l bios update link