Check your exact Acer laptop model
Go to Acer’s official support website
Search for your laptop model
Open the Drivers and Manuals section
Download the latest BIOS update for your model
Read the BIOS update notes and instructions
Connect the laptop to AC power
Charge the battery fully
Close all running programs
Back up important files
Extract the downloaded BIOS file if needed
Run the BIOS update file as administrator
Follow the on-screen prompts
Do not turn off the laptop during the update
Do not unplug the charger during the update
Wait for the laptop to restart automatically
Enter BIOS setup after restart if needed
Load default BIOS settings if required
Save changes and exit BIOS
Confirm the BIOS version after startup