AutoCAD has a built-in "Recover" command that can be used to recover a corrupt or damaged DWG file, as follows:
AutoCAD ມີ ຄໍາ ສັ່ງ" ຟື້ນຕົວຄືນ" ເຊິ່ງສາມາດໃຊ້ໃນການກູ້ຄືນຂໍ້ເສຍຫາຍຫລືເສຍຫາຍ DWG file, ດັ່ງຕໍ່ໄປນີ້: