Why can't i write data to a disc, User guide – Sony SVF1432ACXW User Manual

SVF1532BCXW, SVF14325CXW, SVF1532ACYW, SVF1532AGXB, SVF1532BCXB, SVF15324CXB, SVF15328CXB, SVF1532CCXB, SVF15323CXB, SVF14325PLB, SVF1532ACXW, SVF1532APXB, SVF15328CXW, SVF14323CLW, SVF1532DCXB, SVF15324CXW, SVF1532ACXB, SVF1432ACXB, SVF14325CXB, SVF153290X, SVF14322CXB, SVF1532BGXB, SVF1532DCYW, SVF1532CCXW, SVF1532DCXP, SVF153290S, SVF15323CXW, SVF14322CXW, SVF143290X