What settings can I change through BIOS?
How to Configure the BIOS Using the BIOS Setup Utility
- Enter the BIOS Setup Utility by pressing the F2 key while the system is performing the power-on self-test (POST). …
- Use the following keyboard keys to navigate the BIOS Setup Utility: …
- Navigate to the item to be modified. …
- Press Enter to select the item. …
- Use the up or down arrow keys or the + or – keys to change a field.
Can BIOS settings change on their own?
The only way your BIOS could have changed is if your CMOS battery is old, you flashed (upgraded) your BIOS, or you loaded default values keystroke at POST (if your system supports that). If your battery died, your should have gotten a CMOS checksum error on POST (right when you turned your system on).
What are the least commonly modified settings in BIOS?
Explanation: One of the least commonly modified setting in BIOS is the CPU clock setting. This is because modern processors automatically detect the bus and properly clock speeds for the processors. The most commonly modified setting in the BIOS include the boot device and boot order setup.
What is BIOS default settings?
Your BIOS also contains a Load Setup Defaults or Load Optimized Defaults option. This option resets your BIOS to its factory-default settings, loading default settings optimized for your hardware.
What happens when reset BIOS?
Resetting your BIOS restores it to the last saved configuration, so the procedure can also be used to revert your system after making other changes. Whatever situation you may be dealing with, remember that resetting your BIOS is a simple procedure for new and experienced users alike.
What is UEFI mode?
The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware. … UEFI can support remote diagnostics and repair of computers, even with no operating system installed.
Where is the CMOS battery located?
Locate your CMOS battery
Open the computer case and find the battery on the motherboard. Verify it is accessible and can be removed. Today, most computers use a coin cell CMOS battery, like the CR2032 battery shown in the picture.
How do I set BIOS to default?
Reset the BIOS to Default Settings (BIOS)
- Access the BIOS Setup utility. See Accessing BIOS.
- Press the F9 key to automatically load the factory default settings. …
- Confirm the changes by highlighting OK, then press Enter. …
- To save the changes and exit the BIOS Setup utility, press the F10 key.
Can your computer boot without BIOS Why?
EXPLANATION: Because, without the BIOS, the computer will not start. BIOS is like the ‘basic OS’ which interconnects the basic components of the computer and allows it to boot up. Even after the main OS is loaded, it may still use the BIOS to talk to the main components.
What does boot override mean?
This is where “boot override” comes. This allows to boot from that optical drive this one time without having to reassert your quick boot order for future boots. You can also use it to install operating systems and test Linux live discs. So basically it changes the boot order for one boot instance?
Does factory reset affect BIOS?
Resetting windows will not affect the BIOS. I did this all the time when reinstalling Windows, and the BIOS is completely unaffected. Just make sure your boot order is set to the drive with windows installed. Be sure to backup your data before resetting though!
Can you factory reset a laptop from BIOS?
Use the arrow keys to navigate through the BIOS menu to find the option to reset the computer to its default, fall-back or factory settings. On an HP computer, select the “File” menu, and then select “Apply Defaults and Exit”.
What is the main function of BIOS?
A computer’s Basic Input Output System and Complementary Metal-Oxide Semiconductor together handle a rudimentary and essential process: they set up the computer and boot the operating system. The BIOS’s primary function is to handle the system setup process including driver loading and operating system booting.