What version of PCA do you currently have installed? Different versions support different browsers. While I do not suspect this is the root cause, it is worth checking as an unsupported browser version can cause several GUI glitches.
You can also reset the globaladmin password if you have root credentials. Here are the steps:
Log in as a root user.
Navigate to /opt/emms/emsam/bin/
Execute the following command, ./resetGlobalAdminPassword.sh
Enter a new password for the globaladmin and also confirm the new password.
Password Rules for root user and globaladmin
Must contain at least one of each - lowercase letter, uppercase letter, number, and
special characters ( !@#$*,.)
No character in the password be repeated more than three consecutive times.
Cannot contain non-ASCII characters- , %, +, & and space.
Cannot be cisco or ocsic or any variant obtained by changing the capitalization of letters
therein, or by substituting 1,! or | for i, and/or substituting 0 for o and/or
substituting $ for s.
Cannot be same as the username, and not be the username reversed.
Length must be between eight and 80 characters.
Cannot end with these characters: *, ; or #
