Question pc stuck on widnows screen after overclock attempt z390 a pro i7 9900k

[exwhat]

i recently wanted to start oc and i need sum helppls

 

[rgd1101]

undo the oc
how did you do the oc?

 

[exwhat]

thru the bios ive undone it but now im trying to understand how to oc without it doing that

 

[Dark Lord of Tech]

What are your full detailed specs?

 

[exwhat]

What are your full detailed specs?

i have a z390 a pro and a i7 9900k