problem uploading Marlin to Anet A8

Hello I'm new to this from Arduino and I have the following problem: My anet a8 was bricked. I need to unbrick her and upload Marlin. Then try to raise the Marlin and I get the following: The Sketch uses 110462 bytes (86%) of the program storage space. The maximum is 126976 bytes. Global variables use 4389 bytes of dynamic memory. avrdude: stk500_getsync () attempt 1 of 10: not in sync: resp = 0x21 avrdude: stk500_getsync () attempt 2 of 10: not in sync: resp = 0xee avrdude: stk500_getsync () attempt 3 of 10: not in sync: resp = 0xb8 avrdude: stk500_getsync () attempt 4 of 10: not in sync: resp = 0x31 avrdude: stk500_getsync () attempt 5 of 10: not in sync: resp = 0x0a avrdude: stk500_getsync () attempt 6 of 10: not in sync: resp = 0x73 avrdude: stk500_getsync () attempt 7 of 10: not in sync: resp = 0x73 avrdude: stk500_getsync () attempt 8 of 10: not in sync: resp = 0xd6 avrdude: stk500_getsync () attempt 9 of 10: not in sync: resp = 0x02 avrdude: stk500_getsync () attempt 10 of 10: not in sync: resp = 0x21 An error occurred while sending the sketch My arduino version is 1.8.5 The com port is the one indicated I have all the drivers And when I try to burn bootloader I get the following: avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 1 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 2 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 3 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 4 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 5 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 6 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 7 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 8 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 9 of 10: not in sync: resp = 0x03 avrdude: stk500_recv (): programmer is not responding avrdude: stk500_getsync () attempt 10 of 10: not in sync: resp = 0x03 Error burning bootloader