Nov 10, 2025 · 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, …

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 …

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 battery or coin-cell …

May 9, 2024 · No video signal / general power response on Dell Optiplex 3080 Small Form Factor. Power button light was flashing once white and three times amber.  The top search results …

Jul 13, 2024 · Dell XPS 15 9560 (2017) CMOS Battery Does anyone know the exact type of CMOS battery needed by my XPS laptop? Some online information is telling me I need an ML1220 …

Nov 5, 2010 · CMOS Battery CR 2032 Hello, My Dell PC Dimension E510 is 4 years and 2+ months old. I had an extended warranty to cover the computer through 4 years. A week after the warranty ended, …

Mar 7, 2015 · The CMOS battery in my Alienware X51 [Early 2012] appeared dead as the BIOS wouldn't hold the settings. I searched and was unable to find the part # anywhere so I did a general search for …

Jul 20, 2013 · You can try to reseat the CMOS battery first to see if it resolves the issue and if that does not resolve it, try replacing the battery. To resolve this issue, you can try the following steps. …

Feb 5, 2007 · Replaced CMOS battery, now system is dead! Help! I replaced the CMOS battery in my Dell Dimension XPS T500. Now, when I turn the machine on, the Dell logo comes up on the screen, …