How does bios load the operating system

Its goal is to ensure that the components are attached, functional and accessible to the Operating System OS. Also note that a key like F10 might actually launch something else, like the boot menu. Skip to content Android Windows Linux Apple. Home » Other. See also Where are Python modules installed Ubuntu? See also What is the central to administration? See also How do I show hidden files and folders on Android?

What is the purpose of BIOS shadow answer? Why does my BIOS take so long to load? Quick Answer: What is the average load on Unix or Linux machines? Before you do it, it's a good idea to back up all data from the hard drive.

Also, see if there's a recovery jumper switch that will allow you to recover the original BIOS. Here are the latest Insider stories. More Insider Sign Out. Sign In Register. Sign Out Sign In Register. Latest Insider. Check out the latest Insider stories here. More from the IDG Network. How to build your own Windows Home Server rig. Researcher creates proof-of-concept malware that infects BIOS, network cards.

Blowing the Whistle on Laptop Theft. Here's what happens during the boot process see steps in diagram below : Power is turned on. The BIOS resolves device conflicts and configures the chosen boot device. Look up your make and model from manufacturer and see if there may be a key to do it. I do not see how windows can prevent you from entering your BIOS. A computer cannot efficiently process things without a memory hardware.

But it can do so without a hard drive. When you attempt to run a computer without a hard drive, you will often be asked for a boot device. Now any computer that you are likely to come across can boot from either a floppy disk or a CD. That is how the OS is installed in the first place, so it has always been possible. Newer computers can also boot from an external hard drive, or a USB drive.

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