I know that BIOS loads its first instruction from 0xFFFFFFF0, but why this specific address? I’ve a bunch of questions and hope you can help me with some of them, at least. My questions: Why is the first BIOS instruction located at the “top” of a 4 GB RAM? What would happen if my computer only … Read more
makeuseof.com explains that Windows 8 certified hardware has a new way to enter the UEFI setup screen (equivalent to BIOS). From How To Access The BIOS On A Windows 8 Computer: No longer do we press a certain key during the boot process to reveal the BIOS – instead, an option to access the BIOS … Read more
I always wondered whether the BIOS (apart from conducting POST, starting the bootloader and passing control to the OS after one presses the power button) has any purpose or function while the operating system is running? Does the operating system communicate with the BIOS while running and if so, how? Answer With modern OSs, practically … Read more
Yesterday, I added a password containing a ! to my BIOS. Unfortunately, the password prompt that asks for the password when you boot doesn’t let you write a ! (i.e. the little * isn’t added and it tells me it’s the wrong password). So I Googled how to remove that password and stumbled upon this … Read more
Now Windows 8 supports the UEFI bootloader and I have read that its different from the BIOS, but it’s unclear to me after many searches on the Google. Some points in mind are below:- As we all know, BIOS is an important part of accessing boot options. So UEFI will do that now? How? How … Read more
Recently I started having an issue with VT-x on my Windows 10 running on HP EliteBook. I was using Oracle VirtualBox to run some VMs on it before and VT-x was enabled in BIOS and was working fine. I started getting VT-x is not available error every time I was trying to start any of … Read more
