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Dell KU144 - 3V Lithium CMOS Battery for Inspiron, Latitude, Optiplex, Precision, PowerEdge, Studio, Vostro, XPS Computers
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OptiPlex 3010 Desktop (DT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink and Coin Cell Battery | Dell US
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OptiPlex 990 Ultra Small Form Factor (USFF) Removal Guide for the Coin Cell Battery, Front IO Panel, Control Panel, Intrusion Switch and Power Supply | Dell US
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OptiPlex 7010 Small Form Factor (SFF) Removal Guide for the Intrusion Switch, Front IO Panel, Internal Speaker, Power Supply and Coin Cell Battery | Dell Macedonia
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How to Perform a BIOS or CMOS Reset and/or Clear the NVRAM on your Dell System | Dell European Distribution Business
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