HP HDX 18 54

3. Disconnect the LED board cable from the LED board.

4. Remove the keyboard cover.

Reverse this procedure to install the keyboard cover.

Removal and replacement procedures

4–21

Contents

HP HDX 18 Entertainment PC Maintenance and Service Guide Page Safety warning notice Contents 1Product description 2External component identification 3 Illustrated parts catalog 4 Removal and replacement procedures 5 Setup Utility 6 Specifications 7 Screw listing 8 Backup and recovery 9 Connector pin assignments 10Power cord set requirements 11Recycling Index Product description Page Page Page External component identification Top components Display components Buttons, speakers, and fingerprint reader Page Keys Lights Pointing devices Front components Right-sidecomponents Left-sidecomponents Rear component Bottom components Illustrated parts catalog Service tag Computer major components Page Page Page Page Display assembly components Mass storage devices Plastics Kit Miscellaneous parts Sequential part number listing Page Page Page Removal and replacement procedures Preliminary replacement requirements Tools required Service considerations Plastic parts Grounding guidelines Electrostatic discharge damage Packaging and transporting guidelines Workstation guidelines Equipment guidelines Unknown user password Component replacement procedures Service tag Computer feet Battery Optical drive Page Hard drive Page TV tuner module RTC battery Memory module WLAN module Remove the WLAN module: Loosen the Phillips PM2.5×6.0 captive screw Lift the right side of the WLAN module compartment cover 3.Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module Remove the WLAN module Switch cover Page Keyboard cover Page Power button board Bluetooth module Keyboard Page Page Power button board cable Bluetooth module cable LED board cable Speaker assembly Display assembly Remove the four Phillips PM2.5×7.0 screws 6.Lift the display assembly 2 straight up and remove it Page Page Page Page Page Top cover Page Page Page TouchPad on/off button board Page System board Page Page Fan Subwoofer Page Audio/infrared board USB board Power connector cable TV tuner module cable Fan/heat sink assembly Remove the fan/heat sink assembly: 1.Disconnect the fan cable 1 from the system board Loosen the four Phillips PM2.0×10.0 captive screws 3. Remove the fan/heat sink assembly Thermal paste is used on the processor Processor Page Setup Utility Starting the Setup Utility Changing the language of the Setup Utility Navigating and selecting in the Setup Utility Displaying system information Restoring default settings in the Setup Utility Using advanced Setup Utility features Closing the Setup Utility Setup Utility menus Main menu Security menu System Configuration menu Diagnostics menu Specifications Computer specifications 18.4-inchdisplay specifications Hard drive specifications Page Blu-rayROM DVD±RW SuperMulti DL Drive specifications System DMA specifications System memory map specifications System interrupt specifications System I/O address specifications Page Screw listing Phillips PM2.5×7.0 screw Page Page Page Phillips PM2.0×4.0 screw Page Page Page Page Page Phillips PM2.5×6.0 captive screw Phillips PM3.0×4.0 screw Phillips PM2.5×5.0 broadhead screw Phillips PM2.5×11.0 captive screw Phillips PM2.5×5.0 captive screw Backup and recovery Recovering system information Creating recovery discs Backing up your information When to back up Backup suggestions Using system restore points When to create restore points Create a system restore point Restore to a previous date and time Performing a recovery Recovering from the recovery discs Recovering from the dedicated recovery partition (select models only) Connector pin assignments Audio-in(microphone) Audio-out(headphone) External monitor HDMI RJ-45(network) Universal Serial Bus Power cord set requirements Requirements for all countries and regions Requirements for specific countries and regions Recycling Battery Display Page Page Page 16.Turn the display panel upside down 17.Remove the backlight frame from the display panel 18.Remove the backlight from the backlight frame Page Index