Chosen Solution Hi! a few days ago i replace my iMac HDD to SSD (iMac 21.5" EMC 2889 (Late 2015). And i put a Kingston A400 240GBSSD) and after that im having some issues.. My iMacs restarts randomly and when turn on again im getting this error: panic(cpu 1 caller 0xffffff8018a4aa3a): Kernel trap at 0xffffff7f9b8bb340, type 14=page fault, registers: CR0: 0x0000000080010033, CR2: 0x0000000000000008, CR3: 0x000000015ae68144, CR4: 0x00000000003626e0 RAX: 0x0000000000000000, RBX: 0xffffff8044a8e800, RCX: 0x0002e70700000000, RDX: 0xffffff81182d6040 RSP: 0xffffff913832b930, RBP: 0xffffff913832b960, RSI: 0x0002e70700000010, RDI: 0xffffff803f5d3000 R8: 0x000000000002e706, R9: 0x0000000000000000, R10: 0x0000020000011000, R11: 0x0000000003550005 R12: 0xffffff8118aec030, R13: 0x0000000000000000, R14: 0xffffff8044a8ee50, R15: 0x0000000000000000 RFL: 0x0000000000010202, RIP: 0xffffff7f9b8bb340, CS: 0x0000000000000008, SS: 0x0000000000000010 Fault CR2: 0x0000000000000008, Error code: 0x0000000000000002, Fault CPU: 0x1, PL: 0, VF: 0 Backtrace (CPU 1), Frame : Return Address 0xffffff913832b390 : 0xffffff801891f5cd 0xffffff913832b3e0 : 0xffffff8018a58b05 0xffffff913832b420 : 0xffffff8018a4a68e 0xffffff913832b470 : 0xffffff80188c5a40 0xffffff913832b490 : 0xffffff801891ec97 0xffffff913832b590 : 0xffffff801891f087 0xffffff913832b5e0 : 0xffffff80190c27cc 0xffffff913832b650 : 0xffffff8018a4aa3a 0xffffff913832b7d0 : 0xffffff8018a4a738 0xffffff913832b820 : 0xffffff80188c5a40 0xffffff913832b840 : 0xffffff7f9b8bb340 0xffffff913832b960 : 0xffffff7f9b7a351e 0xffffff913832b9a0 : 0xffffff7f9b7a3a4f 0xffffff913832b9d0 : 0xffffff7f9b7b267d 0xffffff913832ba10 : 0xffffff7f9b8c2706 0xffffff913832ba40 : 0xffffff7f9b7a100b 0xffffff913832bac0 : 0xffffff801905695e 0xffffff913832bb10 : 0xffffff8019054be7 0xffffff913832bb60 : 0xffffff801905dcb3 0xffffff913832bca0 : 0xffffff8018a082b2 0xffffff913832bdb0 : 0xffffff8018925328 0xffffff913832be10 : 0xffffff80188fbcc5 0xffffff913832be70 : 0xffffff8018912aa2 0xffffff913832bf00 : 0xffffff8018a30d05 0xffffff913832bfa0 : 0xffffff80188c6226 Kernel Extensions in backtrace: com....