The coin-shaped object on the contrary is the CMOS battery, a Lithium coin cell. This is what powers the aforementioned chip/memory. While storing BIOS/UEFI preferences can be offloaded to say ...

Typically, in order to make it past the BIOS lockout and get access to the computer, he would have to open the laptop case and short the CMOS reset pins or pull the CMOS battery. The process is ...

Reinstall the battery/AC adapter drivers via Device Manager Check for a dead CMOS battery. Update BIOS/Windows/drivers. Perform an EC reset (Hard reset). Let us see these in detail. Each Windows ...

Clearing CMOS will reset your BIOS settings to the default. A CMOS battery is installed on all computers that provide the continuous power supply to the BIOS chip so that all the BIOS settings ...

A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and ...

The BIOS setup has also been called the "CMOS setup" or "CMOS RAM," because settings were initially held in a battery-backed CMOS memory circuit. Subsequently, BIOS settings were stored in non ...