Remove the battery from its compartment, and then press and hold the power button on your computer for about 15 seconds to drain any residual electrical charge from your capacitors.Perform a full resetįor the computer with a removable battery, turn off the computer and remove all attached devices, disconnect all attached external peripherals, and then disconnect the computer's power adapter. There are cases when an outdated BIOS makes your computer screen weak, or the screen brightness is too low even 100% and / or the laptop screen is too dark at full brightness.īefore you start updating the BIOS, write down the product number of your computer, have an Internet connection and a pen and paper ready.ĭoes updating the BIOS seem scary? Make things easier with the help of this handy guide that offers more information. Wait for the installation to complete and restart your computer.

Find and double-click the BIOS file to begin installation, and then follow the on-screen prompts.Close all open programs before and disable your antivirus (enable it after installation).

DO NOT shutdown or restart until the update is complete.

Install the BIOS update, which will take a few minutes, during which time the computer may beep or the screen goes blank, the cooling fans will turn on and off, and the power button will blink this is normal and expected.

Do not select Run BIOS update on network. Note: Be sure to read the overview and system requirements to confirm that the BIOS update is for your computer, then click Download and save it to the desired location. If a BIOS category appears, select BIOS, then choose the correct one for your processor and follow the on-screen instructions Select the operating system and click Submit.

Check for and download BIOS updates from your computer manufacturer's website, and find the product page for your computer model.

Make sure that the BIOS you are about to install is designed for use with your specific computer processor.

At System information window look Processor input and write it down on the paper.

Click msinfo32.exe from the results list.

Click Start and then type exe in the search box.

At System information window look BIOS version / date (your current BIOS version) and write it down on paper.

Computer screen is dim