Pry off the diffuser with a screwdriver
and remove diffuser.
It is inconvenient to take out the lamps by hand, because the lamps in the ceiling are installed quite deep, therefore
remove the individual lighting lamp with tweezers.
We install a new W7.5W lamp in the reverse order.
Similarly, we change the second lamp of individual lighting.
If it is necessary to remove the cover, use a Phillips screwdriver to unscrew the two screws securing the cover (self-tapping screws are shown in the photo by arrows).