What is the easiest and safest way to flash the BIOS?

How to Reflash BIOS

Four Methods:

BIOS is short for basic input-output system. It is a set of electronic instructions stored on a chip inside your desktop or laptop. These instructions tell the computer how to perform the POST (power on self test) and allow rudimentary management of certain hardware components. The most popular method used to reflash the BIOS used to be a floppy disk. Because of the slow demise of the floppy disk drive, the current method is to either use a bootable CD or a self-contained BIOS flashing executable such as WinFlash.


Download the BIOS

  1. Download the BIOS update executable from the manufacturer website.Read any instructions that come with the executable. Most executables will run fine whether they are loaded onto a floppy or a CD. The instructions will let you know if a floppy isn’t the recommended method.
    • If you don't know the manufacturer of your motherboard, you can use the online to determine the exact make/model. If you can't find the website of your manufacturer then take a look at .

Reflash the BIOS using a floppy disk

  1. Insert a blank floppy disk into your computer’s floppy drive.Format it by right-clicking on the drive in My Computer and selecting the Format. Check the box that will make the newly formatted disk bootable.
  2. Copy the BIOS update executable onto the newly formatted floppy drive.
  3. Reboot your computer and boot to the floppy drive.
  4. Run the BIOS update executable.It should reflash the BIOS automatically, with very little interaction required from the user.

Reflash the BIOS with a bootable CD

  1. Create a bootable CD with an ISO.Some computer manufacturers will provide a bootable BIOS update ISO that can simply be burned onto a CD. Download the ISO from the manufacturer website.
    • Use a CD burning program that is compatible with ISO files to burn the bootable ISO to a CD.
    • Boot to this CD, and allow the BIOS update to proceed automatically. Usually there is minimal user input required.
  2. Create your own bootable CD image.Some computer manufactures will provide a BIOS update executable file, and leave it up to you to create a bootable CD image that includes this file. There are many CD burning programs that support creating a bootable CD.
    • Download the BIOS update file from the manufacturers' website.
    • Use the CD burning program of your choice to create a bootable CD. Make sure that you add the BIOS update file to the image that you are creating.
    • You can find the files required to make a bootable CD with a simple search engine query like “create bootable CD”.Once you have created and burned your image, boot to the CD.
    • Run the executable file, and allow the BIOS flashing process to complete.

Reflash the BIOS using WinFlash

  1. Use the self-contained WinFlash program to flash your BIOS.
    • This method is gaining popularity with computer manufacturers, because it reduces the possibility of user error. You can find out if this option is available to you by logging onto the manufacturers' website and searching for a BIOS update using the exact model of your computer. It is the fastest and easiest way to update your BIOS.
  2. Download the WinFlash executable from the manufacturers' website.Make sure that you are downloading the executable for your precise computer model. Save the executable somewhere easily to find, like your desktop.
  3. Double-click on the executable to run the WinFlash program.
  4. Follow the on-screen instructions.Do not reboot your computer until requested by the utility. It may simply reboot the computer itself.

Community Q&A

  • Question
    Is it possible to reflash the BIOS with the correct version using a second computer?
    wikiHow Contributor
    Community Answer
    It should be; consult your manufacturer support and they will talk you through it. If you know how to flash it, put the new files onto a clean USB key and insert it into your computer.
  • Question
    How do I create a bootable usb?
    wikiHow Contributor
    Community Answer
    Format a USB key and put the files onto the key. You can also use a program that puts the files onto the key and makes it bootable. One program that works is Rufus.
Ask a Question
200 characters left
Include your email address to get a message when this question is answered.
  • BIOS updates can be found on the manufacturer website. The description of the update on the manufacturers' website will explain the benefits of the BIOS update, or any problems the update may cause. You can also find manufacturer-specific BIOS flashing instructions.
  • You can access the BIOS by pressing a certain key prior to the Windows flash screen, usually F2, DEL or ESC.
  • Once the computer has been rebooted, your BIOS update is complete. Most computers will flash the BIOS version during the computer boot process. If you missed it, you can always enter the BIOS and check the BIOS version there.


  • Make sure that you reflash the BIOS with the exact BIOS needed for your computer model. Flashing with an incorrect BIOS update can make your desktop or laptop a completely useless machine.
  • Unless you have a specific problem with the BIOS, don’t reflash it.

Video: How to Flash BIOS

4 Ways to Reflash BIOS
4 Ways to Reflash BIOS images

2019 year
2019 year - 4 Ways to Reflash BIOS pictures

4 Ways to Reflash BIOS recommend
4 Ways to Reflash BIOS forecasting photo

4 Ways to Reflash BIOS pictures
4 Ways to Reflash BIOS photo

4 Ways to Reflash BIOS 4 Ways to Reflash BIOS new foto
4 Ways to Reflash BIOS new photo

picture 4 Ways to Reflash BIOS
picture 4 Ways to Reflash BIOS

Watch 4 Ways to Reflash BIOS video
Watch 4 Ways to Reflash BIOS video

Communication on this topic: 4 Ways to Reflash BIOS, 4-ways-to-reflash-bios/
Forum on this topic: 4 Ways to Reflash BIOS, 4-ways-to-reflash-bios/ , 4-ways-to-reflash-bios/

Related News

This Beautiful Rainbow Baby Photo Is Joyful and Heartbreaking All At Once
Michelle Stern, Queen of Family Dinner Time
How to Make Barbecue Sauce
Top 100 Best Closet Designs For Men – Masculine Walk-In Wardrobe Ideas
How to Get Inspired to Write
A Nutritionists Advice on How to Eat Whatever You Want Over the Holidays
5 Adorable Ways Pippa’s Wedding Was Similar To Catherine’s
How to Get Rid of Rash Marks
How to Use a Light Box
How to Get Married in Georgia
Tortoise walking is an actual job now
The Best Destinations for Solo Travelers
How to Collect Unemployment
How to Build Functional and Fashionable Wardrobe

Date: 16.12.2018, 18:31 / Views: 72443