Dell S2421HS Simplified Service Manual page 5

Lift up the middle bezel and take away the middle
bezel, and put it on a fixture. U
screwdriver to remove 3pcs screws for unlocking the
S7
function key board with the middle bezel, and then
tear off the tapes for releasing the key cables.
(No.1~3 screw size=M2x2.4, Torque=0.8±0.2kgfxcm
3
L ift up the panel module with the bracket chassis for
S8
releasing the front bezel away from the panel
module, and then
4. Disassembly and Assembly Procedures
se a Philips-head
2
1
tear off the tape.
Unplug the LVDS cable from the connector of the
S9
panel module by pushing the earing-locks.
Take away the bracket chassis module and then put
S10
the bracket chassis module on a protective cushion.
Remove the Mylar from the hooks of the bracket
S11
chassis module.
Use a Philips-head screwdriver to remove 5pcs
screws for unlocking the circuit board, release all the
S12
cables from the hooks.
(No.1 screw size=M4x8, Torque=6±0.5kgfxcm;
No. 2~5 screw size=M3x7.5, Torque=6±0.5kgfxcm)
5
3
2
2
1