How do I get into BIOS or CMOS setup?

To enter the CMOS Setup, you must press a certain key or combination of keys during the initial startup sequence. Most systems use “Esc,” “Del,” “F1,” “F2,” “Ctrl-Esc” or “Ctrl-Alt-Esc” to enter setup.

What is CMOS setup?

Some computer manufacturers refer to this setup menu as the BIOS setup, while others refer to it as the CMOS setup. CMOS is the component that remembers your system settings when you power the computer down, while BIOS contains the settings for the boot-up process.

Are CMOS and BIOS the same thing?

The BIOS is the program that starts a computer up, and the CMOS is where the BIOS stores the date, time, and system configuration details it needs to start the computer. CMOS is a type of memory technology, but most people use the term to refer to the chip that stores variable data for startup.

Is the BIOS in the CMOS chip?

Two components in the motherboard are BIOS and CMOS. BIOS is stored in the BIOS chip. On the other hand, the BIOS settings are stored in a separate chip called the CMOS. In modern motherboards, the CMOS chip is integrated with Real Time Clock (RTC) on the south bridge chipset.

How do I start CMOS?

I cannot change the values to a setting I want to use If changes you made appear to revert to default settings or the date and time setting in the BIOS keeps falling behind, you may need to replace the CMOS battery. For help with replacing the battery, see: How to replace the CMOS battery.

How do I access CMOS in Windows 10?

In order to access BIOS on a Windows PC, you must press your BIOS key set by your manufacturer which could be F10, F2, F12, F1, or DEL. If your PC goes through its power on self-test startup too quickly, you can also enter BIOS through Windows 10’s advanced start menu recovery settings.

How do you reset CMOS?

Press and hold the power button on your computer for about 10-15 seconds to discharge any remaining power stored in the capacitors. By discharging the power, the CMOS memory will reset, thereby resetting your BIOS. Reinsert the CMOS battery. Carefully reinsert the CMOS battery back into its housing.

How to clear CMOS?

Power off the system.

What is CMOS checksum bad?

The CMOS Checksum Bad Error is an error that occurs when the CMOS values turn out to be incorrect. The CMOS memory stores a specific value normally to guard the BIOS software. Each time the computer is booted, this value, which is a number is checked against the stored value in the CMOS memory.

What does clearing the CMOS do?

Clearing the CMOS on your motherboard will reset your BIOS settings to their factory defaults, the settings that the motherboard maker decided were the ones that most people would use. One reason to clear CMOS is to help troubleshoot or solve certain computer problems or hardware compatibility issues.