You receive a service update from your PC's manufacturer for a PC you recently purchased. You need to update the PC's BIOS.
What is the best method for updating the BIOS?
1. >>Download the BIOS installation file from the manufacturer and flash the BIOS.
2. Order a new BIOS chip from the manufacturer and replace the BIOS chip.
3. Order a new motherboard from the manufacturer and replace the motherboard.
4. Download a BIOS patch from the manufacturer and install the patch on the hard disk.
Explanation : The correct way to update a computer's BIOS is to download the BIOS installation file and flash the BIOS. Depending on the manufacturer, the BIOS flash utility can run from the hard disk or from a floppy diskette.
The original IBM PC used a programmable, socket-mounted BIOS chip that could be reprogrammed and replaced. Current PCs have soldered-in BIOS chips that are not considered to be a field-replaceable unit (FRU) and should not be replaced.
It would be possible, in many cases, to replace a PC's motherboard. This is not considered the best method for updating the BIOS. That is because replacing the motherboard is neither time- nor cost-effective and is more effort than necessary to update the BIOS.
The BIOS is not patched using a software patch installed on the hard disk. The initial programs in the BIOS run before anything is retrieved from the hard disk. Software patches are used to update operating system and application software.
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