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
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 …
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 …
How to Check Battery Health Status on Dell Laptops
Nov 18, 2025 · This article provides information about how to check the battery health status on a Dell laptop. Find information about using different methods to perform a battery health check …
How to Replace a Coin-Cell Battery on Your Dell Laptop
Jul 9, 2025 · For help with replacing the CMOS (coin-cell) battery on your Dell laptop, see the documentation of your computer.
Batteries & Power Adapters Parts & Upgrades - Inspiron Laptops
Find replacement parts and upgrades for Your Dell system by selecting a brand or product model. Find compatible Batteries & Power Adapters for your Dell device - Inspiron Laptops.
How to Access the UEFI and BIOS Firmware Setup Screens with
Jul 22, 2025 · The Windows 11, and Windows 10 operating systems can boot into the UEFI BIOS firmware setup on supported Dell computers. Use the integrated advanced startup options.
How to Restore the BIOS or UEFI (System Setup) to Factory ... - Dell
Dec 2, 2025 · Learn how to reset the BIOS or UEFI to factory default settings on a Dell laptop. Follow step-by-step instructions for UEFI BIOS utility factory reset, resetting BIOS without …
How to Reset, Remove, or Recover BIOS Passwords | Dell US
Oct 13, 2025 · Forgot your Admin, System, or HDD password in BIOS? Learn safe methods via BIOS settings, jumpers, or Dell password release code—to reset or clear passwords easily.
How to replace System Battery for PowerEdge R640 | Dell US
Nov 26, 2024 · This video will demonstrate the replacement procedure of a System Battery for the PowerEdge R640.