Two things to try:
1. In the Library Filter bar, click the up/down arrow on the right side:
and then click Restore Default Presets:
2. Exit LR, delete the preferences file, and if you're on Mac, reboot.
Two things to try:
1. In the Library Filter bar, click the up/down arrow on the right side:
and then click Restore Default Presets:
2. Exit LR, delete the preferences file, and if you're on Mac, reboot.