At my first computer start cpu clock speed locked on 0.52ghz. After windows opened when i click the restart button on windows its fixed and cpu doing normally all fixed. But if i restart with computer case restart button it locks itself again. After all when computers power gone there is problem with first boot and cpu locks.I tried many thing s and i couldnt fix it. What i tried is down there . I need your help now.
1.Windows format and updated version.
2.Bios update.
3.Cleaned cpu fan also changed paste
4.Restarded bios with all default settings
My system
Ryzen 7 2700x
X470 GAMING PLUS MAX
Corsair Vengeance RGB Pro 16GB(8x16GB) 3200MHz
Asus Rog Rx480 8GB O.C.