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Dell Latitude D630 is a thin and lightweight version of the Latitude line. With a 14.1 LCD screen and a 9 cell battery, this laptop is meant to be more mobile.

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It seems that the CMOS memory has been lost.

The internal CMOS battery got completely discharged and stayed like this for a long time. Since I do not use the regular battery anymore (did not replace the original battery), I think that after I disconnected the notebook from the AC charger for days the CMOS battery was lost. I have replaced the CMOS battery, but the notebook will not start. How could I solve this? Thank you.

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Are you sure you connected the CMOS battery correctly? Look at page 8 in the Service Manual.

latitude-d630_service-manual_e.pdf

and

Dell Latitude D630 CMOS Battery Replacement

You say "the notebook will not start." Do any lights come on at all. Can you at least get into the BIOS settings?

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@luizman not starting would not be an issue with the CMOS (RTC) Battery. You do want to check your power supply dfirst. Make sure that you have the right voltage etc. then check the DC in jack on your computer and make sure that it is in good working order and not bend or corroded etc. After that download the service manual from here and disassembly your computer check the power in circuitry. Start with the easy things first; your power supply.

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Luiz Manoel crwdns2934231:0crwdne2934231:0
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