Flashing BIOS
First rule of thumb for updating BIOS is: any system that works correctly should only be updated for specific reasons. Flashing the BIOS will always change the hardware in some way.
WikiHow describes BIOS as “A computer’s Basic Input-Output System (BIOS) is embedded software on a motherboard that will control attached hardware. It provides an operating system with information about hardware, and is designed to support a specific range of components. The BIOS itself is typically an EEPROM, or Electronically Erasable Programmable Read-Only Memory, that is programmed with “firmware”and has the ability to save small amounts of information specific to user configurations. BIOS components are often soldered to the motherboard and therefore not serviceable by the user. Still some of these can be inserted into a socket, allowing its replacement.”
If the BIOS is not current you may not be able to use certain features of hardware on your system. This could cause your system to run inefficiently and may even stop running certain devices. Sometimes upgrading BIOS will increase computer speed and compatibility with newer hardware.
Recently I had a Dell system that needed an urgent BIOS flash. I downloaded BIOS agent 3.61 in order to quickly identify computer BIOS information. To install BIOS Agent unzip, right-click on biosag.exe and select ‘run as administrator. When BIOS Agent is installed click on GET BIOS (left lower section of screen.)
The original BIOS version for this Dell desktop is version 1.0.3 (08/14/2008.) The updated BIOS version that is located in the Drivers and Downloads support section at Dell is version 1.0.8 (3/31/2009.) BTW Dell listed this update as “urgent.”
Next download the BIOS flash file:
Be sure that you have closed out of all programs prior to installation of the BIOS flash file:
Before flashing the BIOS be sure to:
1- Have the computer connected to a UPS battery backup
2- Do not flash during inclement weather
3- Backup the computer
4- Read and understand all instructions. If in doubt be sure to hire a computer professional.
You can begin here:
http://www.wimsbios.com/biosupdates.jsp
Questions? Just leave a comment 
Until next time, safe surfing!
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