Dell P3421WB, Simplified Service Manual

Page: 11 / 26

- 11 -
5. Disassembly and Assembly Procedures
NOTE :
This “Disassembly and Assembly Procedures” is for EMEA only, not for other regions. Please note
that Dell will deem warranty void if any disassembly is done on the monitors.
5.1 Disassembly SOP
Preparation before disassembly
1. Clean the room for work
2. Identify the area for material
3. Prepare the implement, equipment, materials as bellow
：
1) Working table
2) Philips-head screwdriver
3) Gloves
4) Cleaning cloth
5) ESD protection
6) Bar Scraper
7) U3415W curve sponge jig
Item Picture Operation Tool Notes
1
To remove the stand:
1. Place the monitor
on U3415W curve
sponge jig
2. Press and hold
the stand release
button
3. Lift the stand up
and away from the
monitor
U3415W curve
sponge jig
Panel and
whole
monitor head
must be put
on U3415W
curve sponge
jig to avoid
panel
damage.
It is not
allowed to
place the
front side of
panel and
monitor head
on a flat
surface
2
1. Unlock 4 screws
on rear cover
Philips-head
screwdriver
Torsion of RC
screw: 11±1Kg