Dell P74F Service Manual Download Page 63

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2. Install the:

3. Follow the procedure in

After working inside your computer

Heat sink assembly

Removing the heat sink assembly

1. Follow the procedure in

Before working inside your computer

2. Remove the:

3. To remove heat sink:

a. Remove the 2 (M2.0x3.0) screw that secures the eDP cable bracket to the system board [1].
b. Remove the eDP cable bracket from the system [2].
c. Disconnect the eDP cable from the connector on the system board [3].

Removing and installing components

Summary of Contents for P74F

Page 1: ...Dell Precision 7530 Service Manual Regulatory Model P74F Regulatory Type P74F001 May 2020 Rev A01 ...

Page 2: ...tial damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2018 2020 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...ery precautions 18 Removing the battery 19 Installing the battery 20 Hard drive 22 Removing the hard drive assembly 22 Installing the hard drive assembly 23 Hard drive interposer board 24 Removing the hard drive interposer board 24 Installing the hard drive interposer board 25 Keyboard lattice and Keyboard 26 Removing the keyboard 26 Installing the keyboard 29 Memory modules 32 Removing the primar...

Page 4: ... smart card cage 58 Speaker 59 Removing the speakers 59 Installing the speakers 60 LED board 61 Removing the LED board 61 Installing the LED board 62 Heat sink assembly 63 Removing the heat sink assembly 63 Installing the heat sink assembly 66 Graphics card 68 Removing the graphics card 68 Installing the graphics card 69 System board 70 Removing the system board 70 Installing the system board 73 D...

Page 5: ...cket 94 Removing the display support bracket 94 Installing the display support bracket 95 Chapter 4 Troubleshooting 97 Enhanced Pre Boot System Assessment ePSA diagnostics 97 Running the ePSA Diagnostics 97 Diagnostic LED 98 Battery status LED 98 Chapter 5 Getting help 100 Contacting Dell 100 Contents 5 ...

Page 6: ... instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting...

Page 7: ... a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer 8 Remove any installed ExpressCards or Smart Cards from the appropriate slots After working inside your computer After you complete any replacement procedure ensure that you connect external devices cards and cables before turning on your computer CAU...

Page 8: ...ces enabling a TV to optimize picture settings based on content type Additional Color Spaces Adds support for additional color models used in digital photography and computer graphics 4K Support Enables video resolutions far beyond 1080p supporting next generation displays that will rival the Digital Cinema systems used in many commercial movie theaters HDMI Micro Connector A new smaller connector...

Page 9: ...ined by the latest USB 3 0 USB 3 1 Gen 1 specification They are Super Speed Hi Speed and Full Speed The new SuperSpeed mode has a transfer rate of 4 8 Gbps While the specification retains Hi Speed and Full Speed USB mode commonly known as USB 2 0 and 1 1 respectively the slower modes still operate at 480 Mbps and 12 Mbps respectively and are kept to maintain backward compatibility USB 3 0 USB 3 1 ...

Page 10: ...fore Five new connections to carry receive and transmitted data independently are present on USB 3 0 USB 3 1 Gen 1 cables and only come into contact when connected to a proper SuperSpeed USB connection USB Type C USB Type C is a new tiny physical connector The connector itself can support various exciting new USB standards like USB 3 1 and USB power delivery USB PD Alternate Mode USB Type C is a n...

Page 11: ...erbolt 3 1 Thunderbolt 1 and Thunderbolt 2 using a miniDP connector 2 Thunderbolt 3 using a USB Type C connector Thunderbolt 3 over USB Type C Thunderbolt 3 brings Thunderbolt to USB Type C at speeds up to 40 Gbps creating one compact port that does it all delivering the fastest most versatile connection to any dock display or data device like an external hard drive Thunderbolt 3 uses a USB Type C...

Page 12: ...Thunderbolt Icons Figure 2 Thunderbolt Iconography Variations 12 Technology and components ...

Page 13: ...lm rest Touchpad button SIM card Smart card cage Speaker LED board Heat sink assembly Graphics card System board Display assembly Display bezel Display hinges Display panel Camera eDP cable Display bracket Recommended tools The procedures in this document require the following tools Phillips 0 screwdriver Phillips 1 screwdriver Plastic scribe NOTE The 0 screw driver is for screws 0 1 and the 1 scr...

Page 14: ... bracket M2 0x3 0 1 per SSD 1 per SSD 2 1 1 2 4 1 2 2 4 6 System board Palmrest Type C bracket LED board Power connector port GPU card M2 0x5 0 3 11 3 1 1 2 4 Cell Battery 6 Cell Battery HDD assembly M2 5x3 0 2 3 4 Display hinge M2 5x3 5 6 Hinge cap Display assembly bottom M2 5x4 0 4 2 Display assembly rear M2 5X6 0 2 HDD bracket M3 0x3 0 4 SD card Removing SD card 1 Follow the procedure in Before...

Page 15: ...ress the SD card in to release it from the system 3 Slide the SD card out of the system Installing SD card 1 Slide the SD card into its slot until it clicks into place Removing and installing components 15 ...

Page 16: ... computer 2 Remove the SD card 3 To remove the base cover a Loosen the 7 captive screws that secure the base cover to the system 1 b Pry open the base cover starting from the two recess point at the top edge of the system 2 c Pry around all the edges of the base cover 3 d Remove the base cover from the system 4 16 Removing and installing components ...

Page 17: ...se any other sharp objects as it may damage the chassis Installing the base cover 1 To install the base cover a Slide the base cover into its slot until it clicks into place 1 2 b Tighten the captive screws to secure the base cover to the system 3 Removing and installing components 17 ...

Page 18: ...peratures or disassemble battery packs and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prevent accidental puncture or damage to the battery and other system components If the battery gets stuck inside your computer a...

Page 19: ...connector on the battery 1 b Remove the 3 M2 5x3 0 screws that secure the battery to the system 2 c Remove the battery away from the system 3 4 To remove the 4 cell battery a Disconnect the battery cable from the connector on the battery 1 b Remove the 2 M2 5x3 0 screws that secure the battery to the system 2 c Remove the battery away from the system 3 Removing and installing components 19 ...

Page 20: ...the 6 cell battery a Place the battery onto its slot in the system 1 b Replace the 3 M2 5x3 0 screws to secure the battery to the system 2 c Connect the battery cable to the connector in the battery 3 20 Removing and installing components ...

Page 21: ...tery a Place the battery onto its slot in the system 1 b Replace the 2 M2 5x3 0 screws to secure the battery to the system 2 c Connect the battery cable to the connector in the system board 3 Removing and installing components 21 ...

Page 22: ...the procedure in Before working inside your computer 2 Remove the a SD card b base cover 3 To remove hard drive assembly a Remove the 4 M2 5x3 0 screws that secure the hard drive assembly to the system 1 b Pull the tab on the hard drive assembly to disconnect the hard drive assembly from the hard drive connector 2 22 Removing and installing components ...

Page 23: ... the hard drive bracket e Remove the hard drive from the hard drive bracket Installing the hard drive assembly 1 To install the hard drive assembly a Place the hard drive to the hard drive bracket and replace the 4 M3 0x3 0 screws to secure the hard drive to the hard drive bracket Removing and installing components 23 ...

Page 24: ...embly to the system 2 2 Install the a base cover b SD card 3 Follow the procedure in After working inside your computer Hard drive interposer board Removing the hard drive interposer board 1 Follow the procedures in Before working inside your computer 2 Remove the a SD card b base cover 24 Removing and installing components ...

Page 25: ... b Remove the hard drive interposer board from the system 2 Installing the hard drive interposer board 1 To install the hard drive interposer board a Align the hard drive interposer board into its position on the system 1 b Replace the 2 M2 0x3 0 screws to secure the hard drive interposer to the system board 2 Removing and installing components 25 ...

Page 26: ...ard Removing the keyboard 1 Follow the procedures in Before working inside your computer 2 Remove the a SD card b base cover c battery 3 To remove the keyboard a Lift the latch and disconnect the keyboard cable fingerprint cable and the fingerprint button cable from the connectors on the system board 26 Removing and installing components ...

Page 27: ...e system at 90 angle c Using a plastic scribe pry the keyboard lattice starting from the recess points on the top edge 1 2 and work along the sides and bottom edge of the keyboard lattice Removing and installing components 27 ...

Page 28: ... from the system e Remove the 6 M2 0x2 0 screws that secure the keyboard to the palmrest 1 f Pry the bottom edge of the keyboard and then work along the left and right sides of the keyboard 2 3 4 28 Removing and installing components ...

Page 29: ...g Slide and remove the keyboard from the system Installing the keyboard 1 To Install the keyboard Removing and installing components 29 ...

Page 30: ... keyboard to its compartment working along the left right and bottom edges 1 2 3 c Replace the 6 M2 0x2 0 screws to secure the keyboard to the palmrest 4 d Align the keyboard lattice to its position on the keyboard and ensure that the keyboard lattice clicks into its place 30 Removing and installing components ...

Page 31: ...ver the system at 90 angle to access the keyboard cables f Connect the keyboard cable fingerprint cable and fingerprint button cable to the connectors on the system board 2 Removing and installing components 31 ...

Page 32: ...g inside your computer 2 Remove the a SD card b base cover c battery d keyboard 3 To remove primary memory module a Pry the retention clips away from the memory module until it pops up b Lift the memory module and remove it from the system Installing the primary memory module 1 To Install the primary memory module a Insert the memory module into the memory socket b Press the clips to secure the me...

Page 33: ...ur computer 2 Remove the a SD card b base cover c battery 3 To remove the secondary memory module a Remove the single M2 0x3 0 screw that secures the memory shield 1 b Slide and lift the memory shield from the memory module on the system 2 c Pry the retention clips away from the memory module until it pops up 3 d Lift the memory module and remove it from the system 4 Removing and installing compon...

Page 34: ...secondary memory module a Insert the memory module into the memory socket 1 b Press the clips to secure the memory module to the system board 2 c Slide in the memory shield on the memory module 3 d Replace the single M2 0x3 0 screw to secure the memory shield to the memory module 4 34 Removing and installing components ...

Page 35: ...he a SD card b base cover c battery 3 To remove the WWAN card a Remove the single M2 0x3 0 screw that secures the WWAN metal bracket to the system board 1 b Remove the WWAN metal bracket that secures the WWAN antenna cables 2 c Disconnect and unroute the WWAN antenna cables connected to the WWAN card 3 d Remove the WWAN card from the WWAN card slot in the system board 4 Removing and installing com...

Page 36: ...rd 1 b Route the WWAN antenna cables through the routing channel c Connect the antenna cables to the connectors on the WWAN card 2 d Align the WWAN metal bracket above the WWAN card and replace the single M2 0x3 0 screw to secure the WWAN metal bracket to the system board 3 4 36 Removing and installing components ...

Page 37: ...ve the a SD card b base cover c battery 3 To remove the WLAN card a Remove the single M2 0x3 0 screw that secures the WLAN metal bracket to the system board 1 b Remove the WLAN metal bracket that secures the WLAN antenna cables 2 c Disconnect and un route the antenna cables connected to the WLAN card 3 d Remove the WLAN card from the WLAN card slot in the system board 4 Removing and installing com...

Page 38: ...rd 1 b Route the WLAN antenna cables through the routing channel c Connect the antenna cables to the connectors in the WLAN card 2 d Align the WLAN metal bracket above the WLAN card and replace the single M2 0x3 0 screw to secure the WLAN metal bracket to the system board 3 4 38 Removing and installing components ...

Page 39: ...emove the a SD card b base cover c battery 3 To remove the M 2 SSD module Slot 4 a Remove the single M2 0x3 0 screw that secures the thermal plate to the system 1 b Slide and remove the thermal plate 2 c Remove the single M2 0x3 0 screw that secures the M 2 SSD to the system board 3 d Remove the M 2 SSD from the system 4 NOTE Repeat the above steps for removal of other M 2 SSD installed Slot 3 and...

Page 40: ...40 Removing and installing components ...

Page 41: ...eplace the single M2 0x3 0 screw to secure the M 2 SSD to the system board 2 c Place the thermal plate above the M 2 SSD module 3 d Replace the single M2 0x3 0 screw to secure the thermal plate to the M 2 SSD 4 NOTE Repeat the above steps to install other M 2 SSD installed Slot 3 and 5 Removing and installing components 41 ...

Page 42: ...42 Removing and installing components ...

Page 43: ...orking inside your computer Coin cell battery Removing the coin cell battery 1 Follow the procedures in Before working inside your computer 2 Remove the a SD card b base cover c battery d palmrest 3 To remove coin cell battery a Disconnect the coin cell battery cable from the system 1 b Pry and lift the coin cell battery from the system 2 Removing and installing components 43 ...

Page 44: ...within System Settings cause BitLocker or other security resets Installing the coin cell battery 1 To install the coin cell battery a Replace the coin cell battery in its slot on the system b Connect the coin cell battery cable to the system 44 Removing and installing components ...

Page 45: ...r port 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery 3 To remove power connector port a Disconnect the power connector cable from the connector on the system board 1 b Peel the adhesive tape that secures the power connector cable to the system and unroute the cable 2 3 Removing and installing components 45 ...

Page 46: ...M2 0x5 0 screw that secures the power connector cable metal bracket to the system 1 d Remove the metal bracket away from the system 2 e Lift the power connector port from the system 3 46 Removing and installing components ...

Page 47: ...all the power connector port a Connect the power connector port to the system 1 b Place the power connector cable metal bracket 2 c Replace the single M2 0x5 0 screw to secure the metal bracket to the system 3 Removing and installing components 47 ...

Page 48: ...ecure the power connector cable in place 1 e Route the cable through the routing channel and affix the adhesive tape 2 f Connect the power connector cable to the connector on the system board 3 48 Removing and installing components ...

Page 49: ...e in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive 3 To remove the palmrest a Lift the latch and disconnect the touchpad cable from the connector on the system board 1 b Remove the 11 M2 0x5 0 and the 2 M2 0x3 0 screws that secure the palmrest assembly in place 2 3 Removing and installing components 49 ...

Page 50: ...round and disconnect the system board cable and power button cable from the connectors on the system board 1 2 d Remove the 2 M2 0x3 0 screws that secure the palmrest to the system 3 50 Removing and installing components ...

Page 51: ...e Push the hole at the bottom of the system to release the palmrest from the bottom chassis f Lift and remove the palmrest from the system Removing and installing components 51 ...

Page 52: ... palmrest on the system and press until it snaps in its place b Replace the 2 M2 0x3 0 screws to secure the palmrest to the system 1 c Connect the system board and power button cable to the connectors on the system board 2 3 52 Removing and installing components ...

Page 53: ...lace the 2 M2 0x3 0 and the 11 M2 0x5 0 screws to secure the palmrest to the system 1 2 e Connect the touchpad cable to the connector on the system board and lock the latch 3 2 Install the Removing and installing components 53 ...

Page 54: ... SD card b base cover c battery d keyboard e hard drive f palmrest 3 To remove touchpad buttons a Disconnect the touchpad cable from the touchpad 1 b Remove the 2 M2 0x3 0 screws that secure the touchpad buttons to the palmrest 2 c Remove the touchpad button from the palmrest 3 Installing the Touchpad button 1 To install the touchpad button a Place the touchpad button into its slot in the palmrest...

Page 55: ...ard Removing SIM card 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery 3 To remove SIM card a Gently slide the SIM card cover towards the rear of the system to unlock the SIM card cover 1 CAUTION The SIM card cover is very fragile and can be easily damaged if it is not properly unlocked before opening b Filp the SIM card cover from the bot...

Page 56: ...tall the SIM card a Slide the SIM card into the SIM card compartment 1 b Snap the SIM card cover down 2 c Slide the SIM card cover towards the front of the system to lock the SIM card cover 3 56 Removing and installing components ...

Page 57: ...ur computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f palmrest 3 To remove power switch board a Disconnect the smart card cage cable from the connector on the palmrest board 1 b Pry the smart card cage cable c Remove the 2 M2 0X3 0 screws that secure the smart card cage to the palmrest 3 d Remove the smart card cage from the palmrest 4 Removing and installing componen...

Page 58: ... the smart card cage into its slot in the palmrest 1 b Replace the 2 M2 0X3 0 screws to secure the smart card cage to the palmrest 2 c Affix the smart card cable 3 d Connect the smart card cage cable to the connector on the palmrest 4 58 Removing and installing components ...

Page 59: ...in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f palmrest 3 To remove the speaker a Disconnect the speaker cable from the system board 1 b Unroute the speaker cable and remove the cable from the routing channels c Lift the speakers along with the speaker cable and remove it away from the system 2 Removing and installing components 59 ...

Page 60: ...the speaker a Align the speakers along the slots on the system 1 b Route the speaker cable through the routing channels on the system c Connect the speaker cable to the connector on the system board 2 60 Removing and installing components ...

Page 61: ...re working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f palmrest 3 To remove LED board a Lift the tab and disconnect the LED board cable from the system board 1 b Peel the LED board cable from the system c Remove the single M2 0x5 0 screw that secures the LED board to the system 2 d Remove the LED board from the system 3 Removing and installing compo...

Page 62: ...e LED board to its original position on the system 1 b Replace the single M2 0x5 0 screw to secure the LED board to the system 2 c Affix the LED board cable d Connect the LED board cable to the connector in the system board 3 62 Removing and installing components ...

Page 63: ...low the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f palmrest 3 To remove heat sink a Remove the 2 M2 0x3 0 screw that secures the eDP cable bracket to the system board 1 b Remove the eDP cable bracket from the system 2 c Disconnect the eDP cable from the connector on the system board 3 Removing and installing components 6...

Page 64: ...om the connector on the system board 4 5 f Loosen the 4 captive screws that secure the heat sink assembly to the system board 1 NOTE Remove the captive screws in the order stamped onto the heat sink next to the screws 1 2 3 4 g Lift the heat sink assembly 2 64 Removing and installing components ...

Page 65: ...h Slide and remove the heat sink assembly from the system Removing and installing components 65 ...

Page 66: ...ert the heat sink assembly in its slot on the system 1 b Tighten the 4 captive screws to secure the heat sink assembly to the system board 2 NOTE Tighten the captive screws in the order stamped onto the heat sink next to the screws 1 2 3 4 66 Removing and installing components ...

Page 67: ...e to secure the eDP cable in place e Connect the eDP cable to the connector on the system board 3 f Place and align the eDP cable bracket above the display cable connector 4 g Replace the 2 M2 0x3 0 screw to secure the eDP cable bracket to the system board 5 Removing and installing components 67 ...

Page 68: ... working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f palmrest g heatsink assembly 3 To remove the graphics card a Remove the 2 M2 0x3 0 screws that secure the beam connector to the system board 1 b Remove the beam connector from the system board 2 c Remove the 2 M2 0x5 0 screws that secure the graphics card to the system board 3 68 Removing and inst...

Page 69: ...ard you need to disconnect the GPU power cable before removing the GPU card Installing the graphics card 1 To Install the graphics card a Slide the graphics card into its original position in the system 1 b Replace the 2 M2 0x5 0 screws to secure the graphics card to the system board 2 c Replace the beam connector 3 d Replace the 2 M2 0x3 0 screws to secure the beam connector to the system board 4...

Page 70: ...ble after installing the GPU card Install the a heat sink assembly b palmrest c hard drive d keyboard e battery f base cover g SD card 3 Follow the procedure in After working inside your computer System board Removing the system board 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d hard drive e hard drive interposer board f keyboard 70 ...

Page 71: ...power connector cable from the connector on the system board b Remove the 3 M2 0x5 0 screws that secure the Type C USB bracket to the system 1 c Remove the Type C USB bracket from the system 2 d Disconnect the touchpad cable LED board cable and speaker from the connectors on the system board 3 4 5 and peel the coin cell battery from the system 6 Removing and installing components 71 ...

Page 72: ...re the system board in place 1 f Slide the system board to release the IO connectors from the opening on the top and left side of the system chassis to remove the system board from the system chassis 3 2 72 Removing and installing components ...

Page 73: ...stem board 1 To install the system board a Align the system board into its original position on the system 1 2 b Replace the 3 M2 0x5 0 screws to secure the system board in place 3 Removing and installing components 73 ...

Page 74: ... connectors on the system board 4 3 2 and affix the coin cell battery to the system 1 d Place the Type C USB bracket onto its slot on the system 5 e Replace the 3 M2 0x5 0 screws to secure the Type C USB bracket to the system 6 74 Removing and installing components ...

Page 75: ...f Connect the power connector cable to the connector on the system board Removing and installing components 75 ...

Page 76: ...ssembly Removing the display assembly 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest 3 To remove display assembly a Remove the 2 M2 5x4 0 screws at the bottom of the system that secures the display assembly in place 1 b Unroute all the wireless antenna cables from the routing cha...

Page 77: ...c Remove the 2 M2 5x6 0 screws at the rear of the system that secures the display assembly in place Removing and installing components 77 ...

Page 78: ...he 2 M2 0x3 0 screws that secure the eDP cable bracket to the system board 1 h Remove the eDP cable bracket 2 i Disconnect the eDP cable from the connector on the system board 3 j Peel the adhesive tape that secures the eDP cable in place 4 k Unroute the wireless cable from the routing channels located next to the hinges 5 l Remove the display assembly 6 78 Removing and installing components ...

Page 79: ... the wireless cable located next to the hinges 2 c Affix the adhesive tape to secure the eDP cable in place 3 d Connect the eDP cable to the connector on the system board 4 e Place the eDP cable bracket and replace the 2 M2 0x3 0 screws to secure the eDP cable bracket to the system board 5 6 Removing and installing components 79 ...

Page 80: ...ce the 4 M2 5x4 0 screws to secure the display hinge caps to the system 1 2 g Close the display assembly and replace the 2 M2 5x6 0 screws at the rear of the system to secure the display assembly in place 80 Removing and installing components ...

Page 81: ...wireless antenna cables to the routing channels at the bottom of the system 1 i Replace the 2 M2 5x4 0 screws at the bottom of the system to secure the display assembly in place 2 Removing and installing components 81 ...

Page 82: ... 3 Follow the procedure in After working inside your computer Display bezel Removing the display bezel 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest 82 Removing and installing components ...

Page 83: ...ezel using your hands using a screw driver or other sharp objects may damage the display cover NOTE The display bezel shipped with a non touch display is a disposable part and should be replaced with a new display bezel anytime it is removed from the system Installing the display bezel 1 To install the display bezel a Place the display bezel on the display assembly b Press the edges of the display...

Page 84: ...cedure in After working inside your computer Display hinges Removing the display hinge 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest i display assembly j display bezel k display panel 84 Removing and installing components ...

Page 85: ...e display assembly 1 b Remove the display hinges 2 Installing the display hinge 1 To install display hinge a Place the display hinge in its slot on the display assembly 1 b Replace the 6 M2 5x3 5 screws to secure the display hinge to the display assembly 2 Removing and installing components 85 ...

Page 86: ... cover k SD card 3 Follow the procedure in After working inside your computer Display panel Removing the display panel 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest i display assembly 86 Removing and installing components ...

Page 87: ... Lift the display panel and turn the display panel over to access the eDP cable 2 4 To remove display panel a Peel the adhesive tape to access the eDP cable 1 b Peel the adhesive tapes that secures the eDP cable 2 3 c Lift the metal tab and disconnect the eDP cable from the connector on the display panel 4 5 Removing and installing components 87 ...

Page 88: ...lay panel Installing the display panel 1 To install the display panel a Connect the eDP cable to the connector on the back of the display panel and affix the adhesive tape 1 2 3 4 5 88 Removing and installing components ...

Page 89: ...b Align the display panel with the tabs on the display assembly c Replace the 4 M2 0X3 screws to secure the display panel to the display assembly Removing and installing components 89 ...

Page 90: ...Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest i display assembly j display bezel k display panel 3 To remove camera a Peel the adhesive tape that covers the camera module 1 b Disconnect the eDP cable from the camera module 2 c Carefully pry the camera module from the system 3 90 R...

Page 91: ...ra 1 To install the camera a Place the camera module in its slot on the system 1 b Connect the eDP cable to the camera module 2 c Affix the adhesive tape to cover the camera module 3 Removing and installing components 91 ...

Page 92: ...attery j base cover k SD card 3 Follow the procedure in After working inside your computer eDP cable Removing the eDP cable 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest 92 Removing and installing components ...

Page 93: ... the eDP cable from the display cover and unroute the cable from the routing channels 3 d Remove the eDP cable from the system Installing the eDP cable 1 To install eDP cable a Route and affix the eDP cable on the display cover 3 b Connect the eDP cable to the connector on the camera module 2 c Affix the adhesive tape covering the camera module 1 Removing and installing components 93 ...

Page 94: ...j battery k SD card 3 Follow the procedure in After working inside your computer Display bracket Removing the display support bracket 1 Follow the procedure in Before working inside your computer 2 Remove the a SD card b base cover c battery d keyboard e hard drive f WWAN card g WLAN card h palmrest 94 Removing and installing components ...

Page 95: ...rackets to the display cover 2 c Remove the display support brackets from the display cover 3 Installing the display support bracket 1 To install the display support bracket a Place the display brackets onto its slot on the display cover 1 b Replace the 6 M2 0x3 0 screws to secure the display bracket to the display cover 2 c Affix the adhesive tape to cover the display support bracket 3 Removing a...

Page 96: ...play panel c display bezel d display assembly e palmrest f WWAN card g WLAN card h hard drive i keyboard j battery k base cover l SD card 3 Follow the procedure in After working inside your computer 96 Removing and installing components ...

Page 97: ...ices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed Running the ePSA Diagnostics Invoke diagnostics boot by either of the methods that are suggested below 1 Power on the computer 2 As the computer boots press the F12 key when the Dell logo is displayed 3 In the boot menu screen use Up Down arrow key to select the Diagnos...

Page 98: ...m persists replace the system board 2 3 No Memory RAM detected Confirm that the memory module is installed properly If problem persists replace the memory module 2 4 Memory RAM failure Replace the memory module 2 5 Invalid memory installed Replace the memory module 2 6 System board Chipset Error Clock failure Gate A20 failure Super I O failure Keyboard controller failure Replace the system board 2...

Page 99: ...ter Off S4 S5 Fully Charged Battery Amber S0 10 Battery Off S0 10 Battery Off S4 S5 0 100 S0 ON System is turned on S4 The system consumes the least power compared to all other sleep states The system is almost at an OFF state expect for a trickle power The context data is written to hard drive S5 OFF The system is in a shutdown state Troubleshooting 99 ...

Page 100: ...e based support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or su...

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Dell P74F, Service Manual, Page: 63 / 100

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