Introduction
These are the steps to remove the battery from the Precision Dell 5510.
Tools
Parts
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            Open the system badge flap over to reveal the screws underneath (marked 1 on the image). 
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            Remove the 12 screws that secure the base cover to the computer. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.
One comment
Thanks for the post!
KCMax -
According to the owner’s manual at https://www.dell.com/support/manuals/en-..., most of the screws for the base cover are Torx #5 with a couple of Phillips #0 under the badge flap.
KCMax -