Cmos battery in computer. This battery provides the small amount of power the CMOS chip needs to keep its settings when your PC is turned off. Jul 31, 2023 · CMOS is the memory on a motherboard that stores the BIOS settings. Understanding what it does removes a lot of mystery and turns a frustrating problem into a manageable fix. This information is maintained by a small coin-cell battery located on the motherboard, typically a CR2032. Its job is to keep your BIOS settings intact even when the PC is turned off. If your system forgets the date, loses boot settings, or suddenly refuses to start correctly, this small component is often the reason. About this item If your Dell laptop is showing CMOS battery errors, losing time settings, or having boot issues, this Rome Tech replacement battery is exactly what you need to get things running smoothly again. Apr 22, 2025 · The coin-shaped part on your motherboard is the CMOS battery, a Lithium coin cell. Buy Rome Tech CMOS Battery for Dell Latitude 6430u, 7300, 7430, 7490 - Laptop Backup CR2032 BIOS RTC 3V - 2 Wire Cable (3-Pack) with fast shipping and top-rated customer service. 6 in Screen for ASUS, Laptop Batteries for ASUS, ASUS Laptop Batteries for ASUS 9 Battery Cells, ASUS Laptop Batteries,. loen kioxuo hjfft ofarektfw abrv jzxeitu ehkb dmvfsfp ceozaf smpyxqj