How to Correctly Update BIOS of Laptop
Video contents: 1- Finding the Service Tag or Serial Number (S/N) of Laptop 2- Downloading the correct BIOS file based on S/N 3- Flashing or installing the BIOS Update 4- Extra steps in some laptops
1- Find the Service Tag or Serial Number (S/N) of your Laptop.
You will find S/N in the back cover or under the battery of your laptop.
Example of S/N format for different laptop brands.
2- Download the correct BIOS file based on S/N
a. Open the official page of laptop company.
b. Type the S/N of your laptop and click search icon.
c. Confirm the model selection
d. Click on: Manual Update option.
e. Locate the BIOS update and see if it's version is newer than installed version.
f. Press on: Windows+R keys from keyboard and type: dxdiag.
g. If the update is newer than installed version, so download the update.
g. If the update is newer than installed version, so download the update. Available version (v3.08) is newer than installed version (v3.05) in my laptop.
h. Click dwonlaod button.
3- Flashing or installing the BIOS Update
DISCLAIMER: INSTALLING WRONG BIOS FILE CAN RESULT IN BRICKING THE LAPTOP.
a. Double-click on the download file to execute it.
b. Read this alert message carefully.
c. Click: Ok to start flashing. Windows will reboot to BIOS installation interface.
4- Extra steps in some laptops
BIOS settings will be restored to the default after the update, so you will need to make some changes to BIOS settings in the following cases:
1.If you have more than one disk installed on your laptop with Windows in each disk or have a connected Windows installation media, you will need to change the disk priority for windows boot.
2.- If your laptop needs to change BIOS settings as it does with the Y510P laptop, you will need to do it manually. Therefore, it is preferable to take a photo for BIOS settings before beginning the update.
Other than that, you will not need any additional step anymore, and the device will be restarted to windos boot normally.
a. When you see the brand logo, press on F12 key or whatever to enter to Bios settings. (See video description for the list of other laptops & brand's Hotkeys to Enter Bios settings)
b. Navigate to Boot panel and re-arrange the disk priority to which you have windows installed. (Use F5/F6 or applicsble keys to move the disk up or down)
c. Navigate to Exit panel and select: Save Changes and Exit option to boot your laptop into windows.
Do the following step in Lenovo Y510P (or similar laptops) if you have the windows installed on SSD drive.
d. Navigate to Configuration panel and change SATA Controller Mode into Combatible instead of AHCI option.
e. Navigate to Exit panel and select: Save Changes and Exit option to boot your laptop into windows.
Here, you are done!