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HP ProOne 400 G4 User Manual

HP ProOne 400 G4
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EL-MF877-00 Page 1
Template Revision B
PSG instructions for this template are available at EL-MF877-01
Product End-of-Life Disassembly Instructions
Product Category: Personal Computers
Marketing Name / Model
[List multiple models if applicable.]
HP ProOne 400 G4 23.8-in Non-Touch All-in-One PC
Purpose: The document is intended for use by end-of-life recyclers or treatment facilities. It provides the basic instructions
for the disassembly of HP products to remove components and materials requiring selective treatment, as defined by EU
directive 2002/96/EC, Waste Electrical and Electronic Equipment (WEEE).
1.0 Items Requiring Selective Treatment
1.1 Items listed below are classified as requiring selective treatment.
1.2 Enter the quantity of items contained within the product which require selective treatment in the right column, as
applicable.
Item Description Notes
Quantity
of items
included
in product
Printed Circuit Boards (PCB) or Printed Circuit
Assemblies (PCA)
With a surface greater than 10 sq cm
PCA
3
Batteries
All types including standard alkaline and lithium coin
or button style batteries Battery pack;RTC
1
Mercury-containing components
For example, mercury in lamps, display backlights,
scanner lamps, switches, batteries N/A
0
Liquid Crystal Displays (LCD) with a surface greater
than 100 sq cm
Includes background illuminated displays with gas
discharge lamps 1
LED
Cathode Ray Tubes (CRT)
N/A
0
Capacitors / condensers (Containing PCB/PCT)
N/A
0
Electrolytic Capacitors / Condensers measuring
greater than 2.5 cm in diameter or height
N/A
0
External electrical cables and cords
N/A
0
Gas Discharge Lamps
N/A
0
Plastics containing Brominated Flame Retardants
weighing > 25 grams (not including PCBs or PCAs
already listed as a separate item above)
N/A
0
Components and parts containing toner and ink,
including liquids, semi-liquids (gel/paste) and toner
Include the cartridges, print heads, tubes, vent
chambers, and service stations. N/A
0
Components and waste containing asbestos
N/A
0
Components, parts and materials containing
refractory ceramic fibers
N/A
0
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HP ProOne 400 G4 Specifications

General IconGeneral
ProcessorIntel Core i5-8500T
Display1920 x 1080
RAMDDR4-2666 SDRAM
Storage256GB SSD
GraphicsIntel UHD Graphics 630
Operating SystemWindows 10 Pro 64
Ports4 x USB 3.1 Gen 1, 2 x USB 2.0, HDMI
Camera1 MP HD webcam
AudioStereo speakers
Wireless802.11ac Wi-Fi, Bluetooth 5

Summary

Items Requiring Selective Treatment

Printed Circuit Boards (PCB) or Printed Circuit Assemblies (PCA)

Components requiring selective treatment, e.g., PCBs with surface area greater than 10 sq cm.

Batteries

All types of batteries including alkaline, lithium coin/button, and battery packs.

Mercury-containing components

Components like lamps, display backlights, and scanner lamps containing mercury.

Liquid Crystal Displays (LCD)

LCDs with a surface area greater than 100 sq cm, often LED or gas discharge.

Gas Discharge Lamps

Lamps containing gas that require selective treatment.

Plastics containing Brominated Flame Retardants

Plastics weighing over 25 grams, excluding PCBs or PCAs.

Components and waste containing asbestos

Components or waste materials that contain asbestos.

Tools Required

Phillips Screwdriver #1

Phillips screwdriver for bottom case, motherboard, HDD bracket, battery, and hinge bracket.

Jig for LCD Bezel Disassembly

Specialized tool for disassembling the LCD bezel with the LCD cover.

Product Disassembly Process

Removing Top Cover and ODD Kits

Steps to remove the top cover and optical disk drive (ODD) kits.

Removing FAN and Heat Sink

Instructions for disconnecting cables and removing the cooling fan and heat sink.

Disconnecting Internal Cables

Procedure for unplugging various internal cables like power, speaker, and display.

Removing Wireless Card and DIMM

Steps to remove the wireless card and memory modules (DIMM).

Removing Motherboard and Speakers

Instructions for removing the motherboard and speaker assembly.

Removing Webcam Housing and Structure

Steps to detach the webcam housing cover and pop-up webcam structure.

Separating LCD and Panel Frame

Procedure for separating the LCD panel from its frame.

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