HP T250 - Manual (Page 79)

6.5.9 Format
This will format the memory card or the built-in memory. Be
warned that all Video, Photo, and Audio content on the card or
internal memory will be deleted and CANNOT be restored once
completed.
1. Power on the camcorder.
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2. Touch the icon or press the Menu Button ( ) then
touch the Settings icon . Touch the Format option to
display the submenu.
3. Remove all memory cards to format the internal memory. Touch
“O” Yes to select to format the card or memory. Touch “X” No
to cancel and return to the Settings menu. If you select yes,
another prompt will be displayed again to confirm.
Note: All Video, Photo, and Audio content on the card or internal
memory will be deleted and CANNOT be restored once completed.
4. Touch the icon to exit the Menu mode.