The real question is, how do you know your BIO's have a virus?If for some reason they really are corrupt. You will have to flash the firmware. If that's not possible the get another motherboard.
Bios settings you need to choose start from cd/dvd drive.
Obviously, it doesn't have any, with the possible exception of a BIOS recovery / config jumper.
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To reimage your Acer Aspire 9500 laptop to factory settings you will need to insert the first recovery CD and reboot your laptop. If the laptop does not boot from the recovery CD, you may need to edit the boot order in the BIOS when the laptop first starts. Once your machine is booting from the recovery CD it will walk you through the restoration process.
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H2 bios is a type of bios specifically made for notebooks.
You are flashing the bios.
If something is wrong with a computer's BIOS (Basic Input/Output System), then odds are pretty good that the computer won't even boot. Typically, if it's not too terribly damaged, you'll at least get a "beep code" - that is, your computer will make a pattern of annoying beeps, which if you look up that model's beep codes, will translate into an error message. If you can find a way to do so with a corrupted BIOS, you can flash (that is, update or replace) the BIOS in hopes of recovery. Worst case scenario you will have to replace a part.
The BIOS is used to manage simple devices (system BIOS), the BIOS is used to start the computer (startup BIOS), and the BIOS is used to change settings on the motherboard (CMOS setup).
A jumper is used to complete a circuit on a motherboard or other device and thus signal a certain mode of operation, such as "the BIOS should be in recovery mode" or "this hard drive is the Master device."
BIOS of what component? your graphics card will have a BIOS, the CPU will have a BIOS. If there is nothing wrong with yours don't bother replacing it.