Reset BIOS, CMOS, or NVRAM on your Dell system with easy, step-by-step methods to fix boot issues and restore default settings

Replace the CMOS battery in your Dell desktop computer to maintain BIOS settings and system time. This guide covers the steps for removing, installing, and safely disposing of the motherboard battery, …

Jul 9, 2025 · For help with replacing the CMOS (coin-cell) battery on your Dell laptop, see the documentation of your computer.

May 12, 2025 · Reseat or Replace the CMOS Battery: If comfortable, open the laptop and locate the CMOS battery. Reseat the battery or replace it with a new one. Refer to the laptop's manual for …

Apr 24, 2025 · CMOS Battery replacements for Basic Warranty contracts are under warranty through Dell for up to 1 year. This article outlines how to order and replace CMOS batteries once these …

如何使用跳线清除 CMOS/NVRAM（仅限台式机） 此方法非常适合不响应 BIOS 重置的台式机。 提醒： 这还将删除任何 BIOS 级别的密码。 关闭台式机并拔下电源线。 卸下机箱的侧面板（请参阅您的手 …

Jul 30, 2025 · The CMOS coin cell battery used in a Dell Latitude 7470 with a 2-pin plug is commonly a 3V CR2032 battery with a two-wire, two-pin connector (often a Molex 1.25mm connector).

Apr 28, 2025 · Can someone tell me how can I replace the cmos battery in my XPS 13 9320? Thanks in advance 

Nov 20, 2025 · 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 …

Nov 28, 2024 · Optiplex 7020 Tower - Replaced bad CMOS / coin battery and now won't boot (3 lights, long pause, 2 lights, long pause) Optiplex 7020 Tower stopped working correctly - it would have an …