How to import private key on chrome browset

Please how do I import my private key on node browser it changed immediately I refreshed the page yesterday which is strange cause I’ve been using the same key for days now
I saved the private key
Does anyone know how I can import it ?

there is a import function next to the publickey, have you tried that ?

hi yes i tried ,i saved the pk as a normal pk and i cant import it cause the format there states pem format only…are my points gone or should i keep the pk till tge?