He cambiado la CPU y no detecta los perifericos

Soportables con MSI B450m-a pro max 

Athlon 200GE (3.2GHz,35W,L3:4M,2C)ALL0219 Athlon 200GE (3.2GHz,35W,L3:4M,2C,B0)ALL0806 Athlon 200GE(Raven-2) (3.2GHz,35W,L3:4M,2C)ALL0806 Athlon 220GE (3.4GHz,35W,L3:4M,2C)ALL0604 Athlon 220GE(Raven-2) (3.4GHz,35W,L3:4M,2C,B0)ALL0806 Athlon 240GE (3.5GHz,35W,L3:4M,2C)ALL0604 Athlon 240GE(Raven-2) (3.5GHz,35W,L3:4M,2C,B0)ALL0806 Athlon 3000G (3.5GHz,35W,L3:4M,2C)ALL2409 Athlon PRO 300GE (3.4GHz,35W,L3:4M,2C)ALL1804 Ryzen 3 1200(3.1GHz,65W,L3:8M,4C,rev:B1)ALL0219 Ryzen 3 1200AF (3.1GHz,65W,L3: 8M, 4C)ALL1804 Ryzen 3 1300X(3.5GHz,65W,L3:8M,4C,rev:B1)ALL0219 Ryzen 3 2200G(3.5GHz,65W,L3:4M,4C)ALL0219 Ryzen 3 2200GE(3.5GHz,45~65W,L3:6M,4C)ALL0219 Ryzen 3 3100 (3.6GHz, 65W, L3:16M,4C)ALL1607 Ryzen 3 3200G (3.6GHz,45-65W,L3:4M,4C)ALL1201 Ryzen 3 3200GE (3.3GHz, L3:4M,4C)ALL1804 Ryzen 3 3300X (3.8GHz, 65W, L3:16M,4C)ALL1607 Ryzen 3 4100 (3.8GHz,46-65W,L3:4M,4C)ALL3211 Ryzen 3 4300G (3.8GHz,45-65W,L3:4M,4C)ALL3211 Ryzen 3 4300GE (3.5GHz,35W,L3:4M,4C)ALL3211 Ryzen 3 5300G (4.0GHz,45-65W,L3:8M,4C)ALL2409 Ryzen 3 5300GE (3.6GHz,35W,L3:8M,4C)ALL2409 Ryzen 3 PRO 1200(3.1GHz,65W,L3:8M,4C,rev:B1)ALL0219 Ryzen 3 PRO 1300(3.4GHz,65W,L3:8M,4C,rev:B1)ALL0219 Ryzen 3 PRO 3200G (3.6GHz,L3:4M,4C)ALL1804 Ryzen 3 PRO 3200GE (3.3GHz,L3:4M,4C)ALL1804 Ryzen 3 PRO 4350G (3.8GHz,45-65W,L3:4M,4C)ALL2409 Ryzen 3 PRO 4350GE (3.5GHz,35W,L3:4M,4C)ALL3211 Ryzen 3 PRO 4355G (3.8GHz,65W,L3:4M,4C)ALL3211 Ryzen 3 PRO 4355GE (3.5GHz,35W,L3:4M,4C)ALL3211 Ryzen 3 PRO 5350G (4.0GHz,65W,L3:8M,4C)ALL2409 Ryzen 3 PRO 5350GE (3.6GHz,35W,L3:8M,4C)ALL2409 Ryzen 5 1400(3.2GHz,4C,L3:8M,65W,rev:B1)ALL0219 Ryzen 5 1500X(3.5GHz,65W,L3:16M,4C,rev:B1)ALL0219 Ryzen 5 1600(3.2GHz,6C,L3:16M,65W,rev:B1)ALL0219 Ryzen 5 1600AF(3.2GHz,6C,L3:16M,65W,rev:B1)ALL1804 Ryzen 5 1600X(3.5GHz,95W,L3:16M,6C,rev:B1)ALL0219 Ryzen 5 2400G(3.6GHz,45~65W,L3:4M,4C)ALL0219 Ryzen 5 2400GE(3.2GHz,35W,L3:4M,4C)ALL0219 Ryzen 5 2600(3.4GHz,6C,L3:16M,65W,B2)ALL0219 Ryzen 5 2600X(3.6GHz,6C,L3:16M,95W,B2)ALL0219 Ryzen 5 3350G (3.6GHz,65W,L3:4M,4C)ALL2409 Ryzen 5 3400G (3.7GHz,45-65W,L3:4M,4C)ALL1201 Ryzen 5 3400GE (3.3GHz,L3:4M,4C)ALL1804 Ryzen 5 3500 (3.6Ghz,65W,L3:16M,6C)ALL1201 Ryzen 5 3500X (3.5Ghz,65W,L3:32M,6C)ALL1607 Ryzen 5 3600 (3.6GHz,65W,L3:32M,6C,B0)ALL1201 Ryzen 5 3600X (3.8GHz,95W,L3:32M,6C,B0)ALL1201 Ryzen 5 3600XT (3.8GHz, 95W,L3:32M,6C)ALL2006 Ryzen 5 4500 (3.6GHz,45-65W,L3:8M,6C)ALL3211 Ryzen 5 4600G (3.7GHz,65W,L3:8M,6C)ALL3211 Ryzen 5 4600GE (3.3GHz,35W,L3:8M,6C)ALL3211 Ryzen 5 5500 (Cezanne) (3.6GHz,45-65W,L3:16M,6C)ALL3211 Ryzen 5 5600 (3.5GHz,65W,L3:32M,6C)ALL3211 Ryzen 5 5600G (3.9GHz,45-65W, L3:16M,6C)ALL2409 Ryzen 5 5600GE (3.4GHz,35W,L3:16M,6C)ALL2409 Ryzen 5 5600X (Vermeer) (3.7GHz,65W,L3:32M,6C)ALL2409 Ryzen 5 PRO 1500(3.5GHz,65W,L3:16M,4C,rev:B1)ALL0219 Ryzen 5 PRO 1600(3.2GHz,65W,L3:16M,6C,rev:B1)ALL0219 Ryzen 5 PRO 3400G (3.7GHz,L3:4M,4C)ALL1804 Ryzen 5 PRO 3400GE (3.3GHz,L3:4M,4C)ALL1804 Ryzen 5 PRO 3600 (3.6GHz,65W,L3:32M,6C)ALL1804 Ryzen 5 PRO 4650G (3.7GHz,45-65W,L3:8M,6C)ALL2409 Ryzen 5 PRO 4650GE (3.3GHz,35W,L3:8M,6C)ALL3211 Ryzen 5 PRO 4655G (3.7GHz,65W,L3:8M,6C)ALL3211 Ryzen 5 PRO 4655GE (3.3GHz,35W,L3:8M,6C)ALL3211 Ryzen 5 PRO 5650G (3.9GHz,65W,L3:16M,6C)ALL2409 Ryzen 5 PRO 5650GE (3.4GHz,35W,L3:16M,6C)ALL2409 Ryzen 7 1700(3.0GHz,8C,L3:16M,65W)ALL0219 Ryzen 7 1700X(3.4GHz,8C,L3:16M,95W)ALL0219 Ryzen 7 1800X(3.6GHz,8C,L3:16M,95W)ALL0219 Ryzen 7 2700(3.2GHz,8C,L3:16M,65W,B2)ALL0219 Ryzen 7 2700X(3.7GHz,8C,L3:16M,105W)ALL0219 Ryzen 7 3700X (3.6GHz,65W,L3:32M,8C,B0)ALL1201 Ryzen 7 3800X (3.9GHz,105W,L3:32M,8C,B0)ALL1201 Ryzen 7 3800XT (3.9GHz, 105W,L3:32M,8C)ALL2006 Ryzen 7 4700G (3.6GHz,45-65W,L3:8M,8C)ALL3211 Ryzen 7 4700GE (3.1GHz,35W,L3:8M,8C)ALL3211 Ryzen 7 5700G (3.8GHz,45-65W,L3:16M,8C)ALL2409 Ryzen 7 5700GE (3.2GHz,35W,L3:16M,8C)ALL2409 Ryzen 7 5700X (3.4GHz,65W,L3:32M,8C)ALL3211 Ryzen 7 5800 (Vermeer B2) (3.4GHz,65W,L3:32M,8C)ALL2409 Ryzen 7 5800X (Vermeer) (3.8GHz,105W,L3:32M,8C)ALL2409 Ryzen 7 5800X3D (3.4GHz,105W,L3:96M,8C)ALL3211 Ryzen 7 PRO 1700(3.0GHz,65W,L3:16M,8C,rev:B1)ALL0219 Ryzen 7 PRO 1700X(3.4GHz,95W,L3:16M,8C,rev:B1)ALL0219 Ryzen 7 PRO 3700 (3.6GHz,65W,L3:32M,8C)ALL1804 Ryzen 7 PRO 4750G (3.6GHz,45-65W,L3:8M,8C)ALL2409 Ryzen 7 PRO 4750GE (3.1GHz,35W,L3:8M,8C)ALL3211 Ryzen 7 PRO 5750G (3.8GHz,65W,L3:16M,8C)ALL2409 Ryzen 7 PRO 5750GE (3.2GHz,35W,L3:16M,8C)ALL2409 Ryzen 9 3900 (3.1GHz,65W,L3:64M,12C)ALL1201 Ryzen 9 3900X (3.8GHz,105W,L3:64M,12C,B0)ALL1201 Ryzen 9 3900XT (3.8GHz, 105W,L3:64M,12C)ALL2006 Ryzen 9 3950X (3.5GHz,105W,L3:64M,16C)ALL1201 Ryzen 9 5900 (Vermeer) (3.0GHz, 65W, L3:64M, 12C)ALL3205 Ryzen 9 5900X (Vermeer) (3.7GHz,105W,L3:64M,12C)ALL2409 Ryzen 9 5950X (Vermeer) (3.4GHz,105W,L3:64M,16C)ALL2409 Ryzen 9 PRO 3900 (3.1GHz,65W,L3:64M,12C)ALL1804