There could be a few reasons why you're having trouble accessing your Gmail account. First, make sure that you're using the correct email address and password. If you're still having trouble, here are a few other things to try:
- Check if you have any caps lock or num lock keyboard settings turned on. Both of these can prevent you from being able to log in.
- Make sure you're using the most up-to-date version of your web browser.
- If you're still having trouble, you can try to clear your browser's cache and cookies. This can sometimes help with login issues.
If you're still having trouble after trying all of the above, you can contact Gmail support for help.