Search for "Google Drive" on your taskbar and launch it to restore it.
Or simply follow these steps:
1. Locate the search box on your taskbar. It is typically located at the bottom-left corner of your screen.
2. Click on the search box and type in "Google Drive" or simply "Drive."
3. As you type, search results will appear in a dropdown list. Look for the Google Drive icon and click on it.
4. Google Drive should launch, and you should see your G: drive once again.
I hope these steps have been helpful in guiding you on how to search and launch Google Drive from your taskbar.