Updating bios from dos

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If there's a power cut, or the computer gets turned off while updating, it could mean that it's unable to boot at all.

For this reason, it's worth checking whether you really need to update your BIOS.

Here's everything you need to know about how to update a PC BIOS, whether traditional or the newer UEFI standard.

See also: How to install Windows 7 Before you start, heed this warning: if something goes wrong during the BIOS update, your computer could be rendered useless.

Flashing the BIOS is still not an operation that the large majority of PC users are even aware of, and that's something that we'd like to try to change.

In this article PCstats will describe some of the methods you can use to upgrade your computer's BIOS, and explain what a BIOS is, and does.

Your current BIOS version will be listed under “BIOS Version/Date”.

Upgrading the BIOS (Basic Input Output System) of your computer's motherboard, also sometimes called 'flashing,' used to be a complex operation full of potential perils for your PC.

The task involved downloading the correct BIOS file, the proper CMOS chip flashing software, rebooting the PC into DOS mode, applying the correct commands and then waiting in suspense until the update finished.

All the while there was a lurking danger - if something went wrong, you would be left with an essentially unusable motherboard…

Not an operation for the novice, and not one that even PC enthusiasts approached with enthusiasm.

In recent years, things have gotten a whole lot more friendly on the BIOS upgrade front, and markedly more failure resistant too.

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