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Dell Optiplex GX620 CMOS Battery Replacement

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The CMOS battery maintains the time, date, hard disk and other configuration settings in the CMOS memory. When your CMOS battery dies, your system settings will be lost.

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  1. Dell Optiplex GX620 CMOS Battery Replacement, How to unplug and discharge before repair: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex GX620 CMOS Battery Replacement, How to unplug and discharge before repair: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Power down your PC and remove the power cord from the back.

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  2. Dell Optiplex GX620 CMOS Battery Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex GX620 CMOS Battery Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Press and hold the power button for about 10 seconds, then release.

    • This helps drain any remaining power stored in the capacitors, so that you can safely work on the internal components.

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  4. Dell Optiplex GX620 CMOS Battery Replacement, Dell Optiplex GX620 Side Panel Disassembly: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • With the computer standing upright, firmly pull on the tab at the back of the computer.

    • When the side panel pops free, gently pull the panel away from the computer.

    • If you have trouble freeing the side panel from the case, you may need to pull the tab a bit harder.

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  5. Dell Optiplex GX620 CMOS Battery Replacement, Removing the CMOS Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Insert a tool beside the battery and gently pry the battery out.

    • Using a screwdriver to pry open anything can harm your device. Instead, use a spudger or a plastic opening tool.

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To reassemble your device, follow these instructions in reverse order. Make sure you place the battery with the flat (positive) side facing up.

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Kristina

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Pasco Hernando, Team 5-1, Prince Fall 2014 crwdns2935289:0Pasco Hernando, Team 5-1, Prince Fall 2014crwdne2935289:0

PHSC-PRINCE-F14S5G1

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Thank you for this. It gave me the courage to do the job, and told me how. I'm very, very grateful.

Richard Samuel - crwdns2934203:0crwdne2934203:0

Shouldn't the battery be listed in the parts? Squinting at the photo, it seems to be a CR2032?

vcayenne - crwdns2934203:0crwdne2934203:0

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