Dell S3222HN Service Manual page 9

Use Penknife to seperate
3
4
4
3
the rear cove follow the
arrows in sequence, then
you can take out rear
cover.
2
2
1 1
Tear off 4 pieces of
aluminum foil and 2
pieces of tapes.
S4.Tear off the
tapes and
disconnect the
connectors
Disconnect the pins.
9