file become white

[Anonymous]

hi,

im using autocad architecture 2019 and i don’t know what i pressed but my  entire file became white with two blue squares at the bottom left corner. my drawing is still there but smaller in the right blue square and a 3d view my drawing also appeared in the left square.  i cant select anything except the blue squares. please help.

thank you very much!

[pendean]

Looks like you changed the size and scale of your viewport: why not create a new viewport with MVIEW command to confirm first.