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Coin-Cell Battery
Dell™ OptiPlex™ 780 Ultra Small Form Factor—Service Manual
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage
at www.dell.com/regulatory_compliance.
Removing the Coin-Cell Battery
NOTE: You may need to install Adobe® Flash® Player from Adobe.com in order to view the illustrations below.
1. Follow the procedures in Before Working Inside Your Computer
.
2. Remove the cover
.
3. Remove the front bezel
.
4. Remove the drive cage
.
5. Remove the system fan
.
6. Remove the heat sink and processor
.
7. Remove the power supply
.
8. Pull the retention clip away from the coin-cell battery.