154 Barnes & Noble NOOK Tablet User GuidePushing the microSD card into place.Formatting a New CardIf you have installed a new, never-before-used microSD Memory Card into your NOOK, a dialog box appears, re-porting that the SD Memory Card is unformatted and that it needs to be formatted.To format the memory card, do this:1. Tap the Format Now button to format the memory card.Your NOOK displays a warning that formatting the memory card will erase its contents.2. Tap the Format Now button again to confirm that you want to format the memory card.Removing a Memory CardTo remove a memory card from your NOOK, do this:1. Lay your NOOK face down on a clean, level surface.2. Find the small gray lid on the corner of your NOOK closest to the open corner with the curved bar. Using yourfinger tip, gently pull the lip open, folding it flat against the back of the device.