How do you replace bulb rialto round mirror?

To replace the bulb in a Rialto round mirror, first, ensure the mirror is unplugged or the power is turned off. Gently twist or unscrew the bulb from its socket, taking care not to break it. Insert the new bulb by twisting or screwing it into place, ensuring it's secure. Finally, restore power and test the new bulb to ensure it works properly.