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![Coin-Cell Battery; Removing The Coin-Cell Battery - Dell OptiPlex 790 Owner's Manual [Page 31] | ManualsLib](https://static-data2.manualslib.com/product-images/70/6921/692037/raw.jpg "Coin-Cell Battery; Removing The Coin-Cell Battery - Dell OptiPlex 790 Owner's Manual [Page 31] | ManualsLib")