If the Ebsta icon no longer appears at the top of Google Chome, you will need to check that the extension is still installed and enabled.
1. Open the drop-down menu or in the top right-hand corner of Google Chrome.
2. Click Settings > Extensions
3. Ensure Ebsta's Chrome extension is Enabled and if it's not, check the box.
4. If Ebsta is not in this list, you will need to re-install it: