IDP
If you have trouble logging into your IDP IELTS account, you can check your score here instead: https://ielts.idp.com/results/check-your-result
British Council
If you need to update your password for your British Council Test Taker portal account, then please follow the steps on this link: https://takeielts.britishcouncil.org/take-ielts/test-taker-portal