manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Dell
  6. •
  7. Monitor
  8. •
  9. Dell U4320Q User manual

Dell U4320Q User manual

Other manuals for U4320Q

1

Other Dell Monitor manuals

Dell S2230MX Guide

Dell

Dell S2230MX Guide

Dell TORINITRON P1130 User manual

Dell

Dell TORINITRON P1130 User manual

Dell UltraSharp 1800FP User manual

Dell

Dell UltraSharp 1800FP User manual

Dell AW2310 User manual

Dell

Dell AW2310 User manual

Dell P2319H Instructions for use

Dell

Dell P2319H Instructions for use

Dell ST2320L User manual

Dell

Dell ST2320L User manual

Dell E2219HN User manual

Dell

Dell E2219HN User manual

Dell 1909W - UltraSharp - 19" LCD Monitor User manual

Dell

Dell 1909W - UltraSharp - 19" LCD Monitor User manual

Dell P2018H User manual

Dell

Dell P2018H User manual

Dell C7520QT User manual

Dell

Dell C7520QT User manual

Dell 2407WFP-HC - UltraSharp - 24" LCD Monitor User manual

Dell

Dell 2407WFP-HC - UltraSharp - 24" LCD Monitor User manual

Dell UltraSharp U3415W User manual

Dell

Dell UltraSharp U3415W User manual

Dell U2424HEB User manual

Dell

Dell U2424HEB User manual

Dell C6522QT User manual

Dell

Dell C6522QT User manual

Dell S3222DGM User manual

Dell

Dell S3222DGM User manual

Dell E2422HN User manual

Dell

Dell E2422HN User manual

Dell U4924DWB User manual

Dell

Dell U4924DWB User manual

Dell SX2210 - 22" LCD Monitor User manual

Dell

Dell SX2210 - 22" LCD Monitor User manual

Dell E2221HN User manual

Dell

Dell E2221HN User manual

Dell UltraSharp UP3017Q User manual

Dell

Dell UltraSharp UP3017Q User manual

Dell E173FP User manual

Dell

Dell E173FP User manual

Dell P2418HZM User manual

Dell

Dell P2418HZM User manual

Dell C2423H User manual

Dell

Dell C2423H User manual

Dell S2722DGM Instructions for use

Dell

Dell S2722DGM Instructions for use

Popular Monitor manuals by other brands

Samsung ME32C user manual

Samsung

Samsung ME32C user manual

ViewSonic VA926-LED user guide

ViewSonic

ViewSonic VA926-LED user guide

Furuno Mu 120c Operator's manual

Furuno

Furuno Mu 120c Operator's manual

Asus VB171D - 17" LCD Monitor Service manual

Asus

Asus VB171D - 17" LCD Monitor Service manual

AOC 9GLR Technical specifications

AOC

AOC 9GLR Technical specifications

DMG RAFFAELLO manual

DMG

DMG RAFFAELLO manual

AOC LM720 - 17" Technical specifications

AOC

AOC LM720 - 17" Technical specifications

Sony Trinitron GDM-F500 Service manual

Sony

Sony Trinitron GDM-F500 Service manual

Memorex MT1701 user guide

Memorex

Memorex MT1701 user guide

ViewSonic VE510s-4 Service manual

ViewSonic

ViewSonic VE510s-4 Service manual

Farenheit T-1503CM instruction manual

Farenheit

Farenheit T-1503CM instruction manual

Ditel DINOS DN129/AT Quick installation guide

Ditel

Ditel DINOS DN129/AT Quick installation guide

Sony SDM-S51 Specifications

Sony

Sony SDM-S51 Specifications

Kenwood DMX1025BT quick start guide

Kenwood

Kenwood DMX1025BT quick start guide

EverFocus EN-7517E instruction manual

EverFocus

EverFocus EN-7517E instruction manual

Panasonic TH152UX1 - 152" PLASMA TV Service manual

Panasonic

Panasonic TH152UX1 - 152" PLASMA TV Service manual

LG 50PM1M -  - 50" Plasma Panel Service manual

LG

LG 50PM1M - - 50" Plasma Panel Service manual

Asus VW247H user guide

Asus

Asus VW247H user guide

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.

Wedge your fingers between the rear cover and the
middle bezel on the corners of the top side of the
monitor to release the rear cover, then use one hand
to press the middle bezel, the other hand to pull up
carefully the rear cover in order of arrow preference
for unlocking mechanisms of rear cover.
Use a Philips-head screwdriver to remove 4pcs
screws for unlocking mechanisms.
(No.1~4 screw size=M6x12; Torque=9±0.5kgfxcm)
Remove the top cushion foam with all accessories
including QSG, Delta-e paper, user’s manual, DP
cable, HDMI cable, Type-C cable, USB cable, power
cable and other packing materials.(Note: It depends
on whether users returning the accessories)
S2
Remove 4pcs carton locks, then use a proper tool to
open the carton, then uplift and remove the top
paper box carefully.
1 Disassembly Procedures:
S1
Take out the monitor from EPE-bag and put the LCD
monitor on a protective cushion.
23
41
Take out the base and stand from bottom cushion
foam, then take out the packed monitor from the
bottom cushion foam.
S3
S4
S6
S5
S7
1
2
3
4
1
Go to contents page
DELL U4320Q
Lift the rear cover up carefully. Disconnect the USB
LVDS cable and function key cable from the
connectors of the interface board, and then remove
the rear cover.
power cable
QSG
Type-C cable
HDMI cable
DP cable
USB cable
Delta-E
monitor
base
stand
S12
S11
2
Go to contents page
DELL U4320Q
Use a Philips-head screwdriver to remove 1pcs
screw for unlocking the USB board unit, then release
the USB board unit and put it aside.
(No.1 screw size=M3x6, Torque=4±0.5kgfxcm)
1
Put the rear cover with function key board into a Jip.
Tear off the mylar tape on the function key board,
then use a Philips-head screwdriver to tighten 3pcs
screws for locking the function key board with the
front bezel.
(No.1~3 Screw size= M2x2.4, Torque=0.8±0.2kgfxcm)
2
6
7
8
53
4
1
Use a Philips-head screwdriver to remove 8pcs
screws for unlocking the speakers with middle bezel.
Release the speakers’ cables from the hooks of the
middle bezel, and then disconnect the speaker cable
away from the connector of the circuit board.
(No.1~8 screw size=M3x8, Torque=5±0.5kgfxcm)
U
U
se a Philips-head screwdriver to remove 2pcs
screws for unlocking the heat-sink. se a Philips-
head screwdriver to remove 26pcs screws for
unlocking the middle bezel, then remove the bezel.
(No.1~28 Screw size= M3x0.5x4, Torque=5±0.5kgfxcm)
1
2
78
9
13
14
15
34 5 6
10
11
12
21
20 19 18 17 16
22
23
24
25
26
28
27
S8
1
2
3
Tear off acetate tape, then disconnect the panel lamp
cables from the connectors of the circuit board.
S9
S10
Use a Philips-head screwdriver to remove
screws for unlocking power board and interface
board.
9pcs
(No.1 screw size=M4x8, Torque=6±0.5kgfxcm;
No.2~6 screw size=M3x7.5, Torque=6±0.5kgfxcm)
Remove the circuit boards from the
disconnect all
of the cables.
bracket
chassis module carefully, and then
S18
Turn over the bracket chassis module. Remove the
Mylar from the hooks of the bracket, and then use a
Philips-head screwdriver to remove screws for
unlocking AC power outlet.
two
(No.1~2 screw size=M3x10, Torque=6±0.5kgfxcm)
S19
S17
3
Go to contents page
DELL U4320Q
U
.
se a Philips-head screwdriver to remove 4pcs
screws for locking the bracket chassis module with
the panel
(No.1~4 Screw size= M6x12, Torque=9±0.5kgfxcm)
S13
Lift up the bracket chassis, and disconnect the LVDS
cable from the connector of the T-CON board of
panel module, then put the bracket chassis on a
protective cushion.
S14
21
23
4
1
Use a Philips-head screwdriver to remove 2pcs
screws for unlocking the small bracket with T-Con
board, then remove the small bracket.
(No.1~2 Screw size= M3x0.5x4, Torque=3~5kgfxcm)
2
1
S15
Remove 2pcs shading tape on the left and right side
of the panel corner, then remove 32pcs acetate
tapes on the specific positions of the back of panel.
S16
79
6
8
13
452
4
Go to contents page
DELL U4320Q
Remove electrolyte capacitors (red mark) from
printed circuit boards.
S20
S20-1 Cut the glue between bulk cap. and PCB with a knife.
S20-2 Ensure cutting path within the glue, don’t touch bulk
cap. or PCB.
S20-3 Cut into the bottom of bulk cap. and pullit up
carefully.
S20-4 Take out bulk cap. pin solder with soldering iron and
absorber.
S20-5 Lift the bulk cap. up and away from the PCB.
5
Go to contents page
DELL U4320Q
The following substances, preparations, or components should be disposed of or
recovered separately from other WEEE in compliance with Article 4 of EU Council
Directive 75/442/EEC.
Capacitors / condensers (containing
PCB/PCT)
No used
Mercury containing components
No used
Batteries
No used
Printed circuit boards (with a surface
greater than 10 square cm)
Product has printed circuit boards (with a
surface greater than 10 square cm)
Component contain toner, ink and
liquids
No used
Plastic containing BFR
No used
Component and waste contain
asbestos
No used
CRT
No used
Component contain CFC, HCFC, HFC
and HC
No used
Gas discharge lamps
No used
LCD display > 100 cm2
Product has an LCD greater than 100 cm2
External electric cable
Product has external cables
Component contain refractory
ceramic fibers
No used
Component contain radio-active
substances
No used
Electrolyte capacitors (height
> 25mm, diameter > 25mm)
Product has electrolyte capacitors (height >
25mm, diameter > 25mm)
3. Tools Required
List the type and size of the tools that would typically can be used to disassemble the
product to a point where components and materials requiring selective treatment
can be removed.
Tool Description:
- Screwdriver (Phillip head) #1
- Screwdriver (Phillip head) #2
- Penknife
- Soldering iron and absorber
Ϯ Product material information