What is CMOS and How to Reset it

What’s CMOS?

CMOS (Complementary Steel-Oxide-Semiconductor) is a sort of expertise utilized in digital gadgets resembling computer systems, smartphones, and digital cameras. It’s a sort of semiconductor that gives low energy consumption, excessive pace and compact dimension.

In a pc, the CMOS is a small battery-powered chip that shops vital system data resembling date, time, and {hardware} configuration. It’s used to maintain monitor of BIOS (Fundamental Enter/Output System) settings that management how the pc interacts with {hardware} elements. With out the CMOS chip, a pc wouldn’t be capable of begin correctly because it couldn’t retailer this very primary information.

Typically the chip can fail, inflicting errors within the system’s {hardware} configuration. This may trigger issues resembling incorrect date and time, error messages throughout startup, and system crashes. You could have to reset the CMOS chip to repair these points.

Resetting the CMOS chip includes erasing all information saved in it, together with BIOS settings. This returns the system to its default {hardware} configuration, which might appropriate errors attributable to a nasty CMOS chip.

Find out how to Reset CMOS

To reset the CMOS chip, you want to observe these steps:

Step 1: Flip off your pc and unplug it from the facility supply.

Step 2: Open the pc case and discover the CMOS battery. It’s a small silver disc-shaped battery that’s normally positioned on the motherboard.

Step 3: Take away the battery by urgent frivolously on the retaining clip and pulling it out of its slot.

Step 4: Wait 10-Quarter-hour to verify all information saved on the chip is cleared.

Step 5: Put the battery again in its slot ensuring it’s inserted accurately.

Step 6: Shut the pc case and plug within the energy provide.

Step 7: Flip in your pc and enter the BIOS setup utility by urgent the important thing designated throughout startup. The important thing could range relying on the producer of the pc, however is normally F2, F10 or Del.

Step 8: After getting into the BIOS setup utility, you’ll need to reconfigure the system’s {hardware} settings to your most popular configuration. This will embody setting the date and time, selecting the boot gadget, and configuring CPU and reminiscence settings.

Answer

CMOS expertise is a vital part of contemporary digital gadgets and supplies sooner, extra environment friendly and extra dependable efficiency. If you’re having issues together with your pc’s {hardware} configuration, resetting the CMOS chip is usually a helpful troubleshooting step. Nonetheless, it is very important be aware that resetting the CMOS chip will clear all information saved in it, together with the BIOS settings. Subsequently, it is very important again up your BIOS settings earlier than resetting to keep away from dropping any vital configuration information.

The next two tabs exchange the next content material.

This content material was written by the knowledgeable Velocity Micro staff.