Dell Latitude 7490 CMOS Battery Replacement

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Pry up the CMOS battery

Adhesive secures the CMOS battery to the frame.
Insert an opening pick between the left edge of the CMOS battery and the frame.
Use your pick to pry up the CMOS battery and separate the adhesive securing it.
If you're having trouble, heat an iOpener and apply it to the battery for two minutes. Alternatively, you can use a hair dryer to heat the battery.

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