Reset BIOS, CMOS, or NVRAM on your Dell system with easy, step-by-step methods to fix boot issues and restore default settings
You can reset your PC's BIOS settings to their factory defaults by selecting the Restore Defaults option within BIOS or by removing the CMOS battery from an unplugged computer for about five minutes.
The first easy step is to reset the CMOS and see if it helps you boot into Windows. To reset or clear CMOS, follow these steps: Force shut down your computer by pressing and holding the power button.
TWCN Tech News: CMOS checksum is invalid, CMOS will reset to the default configuration (502)
CMOS checksum is invalid, CMOS will reset to the default configuration (502)
To replace a CMOS battery, remove the air shroud, disconnect and remove any expansion cards, locate the battery socket, and carefully pry out the CMOS battery. After installing a new CMOS battery, you must reinstall the expansion cards, install the air shroud, and restore the BIOS settings, ensuring the battery is operating properly and the correct data and time are set in the System Setup.
Can someone tell me how can I replace the cmos battery in my XPS 13 9320? Thanks in advance
For information about how to remove and then replace the CMOS (coin-cell) battery in your Dell laptop, see the documentation for your computer, and then search for CMOS battery or coin-cell battery, and follow the instructions.
Wymień baterię CMOS w komputerze stacjonarnym firmy Dell, aby zachować ustawienia systemu BIOS i czas systemowy. Ten przewodnik obejmuje kroki wyjmowania, instalacji i bezpiecznej utylizacji baterii płyty głównej, zapewniając prawidłowe działanie systemu BIOS.