Guidelines

How do I change the CMOS battery on a Dell Optiplex?

How do I change the CMOS battery on a Dell Optiplex?

Cause

  1. Disconnect the power cable of the computer.
  2. Discharge static electricity by pressing and holding the power button for 10-15 seconds.
  3. Replace the battery with the exact same type of coin cell battery.
  4. Removing the CMOS battery erases the BIOS settings.
  5. Ensure to replace with a brand new battery.

Where is the CMOS battery on a Dell desktop?

Open the computer case. 2. On most motherboards, the battery holder lays flat on the board itself and has a small metal tab (FigureFigure11). Push this tab away from the center of the battery so it can pop up.

What kind of battery do I need for my OptiPlex 745?

CR2032 batteries are very common and can be purchased at most stores that sell batteries. To do this for your Optiplex 745, please follow these steps: < ADMIN NOTE: Broken link has been removed from this post by Dell> There are 4 different form factors of Optiplex 745.

How to enable TPM on DELL Optiplex 745 systems?

1. Enable the TPM software: a. 5HVWDUWWKHFRPSXWHUDQGSUHVV\)\!GXULQJWKH3RZHU2Q6HOI7HVWWRHQWHUWKHV\\VWHPVHWXSSURJUDP\ b.

How to replace a CMOS battery on your Dell desktop?

Disconnect the power cable of the computer. Discharge static electricity by pressing and holding the power button for 10-15 seconds. Replace the battery with the exact same type of coin cell battery. Dell desktops use CR2032 coin cell battery (see the… Removing the CMOS battery erases the BIOS

What’s the default setting on DELL Optiplex 740?

In the Chassis Intrusion option, press the left – or right -arrow key to select Reset , and then choose On , On -Silent , or Off . lOn -Silent (default setting) ² If the computer cover is opened, the setting changes to Detected . No alert message appears during the boot sequence at the next computer start -up.