How to Reset Your Dell BIOS or CMOS & Clear NVRAM
Reset BIOS, CMOS, or NVRAM on your Dell system with easy, step-by-step methods to fix boot issues and restore default settings
如何更换或更换戴尔台式机上的 CMOS 电池 | Dell 中国
CMOS（互补金属氧化物半导体）电池（也称为主板上的纽扣电池）可帮助 BIOS 或 UEFI 存储硬件配置设置。它有助于记录计算机关闭的日期和时间。CMOS 电池位于计算机内部并连接至 …
How to Replace a Coin-Cell Battery on Your Dell Laptop
Jul 9, 2025 · 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 …
Dell製デスクトップのCMOSバッテリーを交換または交換する方法
コンピューターの電源がオフになった日付と時刻を記録するのに役立ちます。 CMOSバッテリーはPC内部にあり、システム ボード（マザーボード）に接続されています。 CMOSバッテ …
How to Replace or Change a CMOS Battery on Your Dell Desktop
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 …
How to Fix the 1 White and 3 Amber Flashes Error on Dell Laptops
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 …
PowerEdge: How to Replace a CMOS Battery - Dell
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 …
PowerEdge: CMOS Battery Customer Replaceable and Basic …
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 …
如何重置您的戴尔BIOS或CMOS并清除NVRAM | Dell 中国
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（ …
Dell Desktop or Workstation Storage Procedure and Effects on the …
Jul 24, 2025 · This article discusses the effects on CMOS batteries based on storage conditions, and the length of time left unboxed or not plugged into AC Power.