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Dell Latitude 3540, Service Manual

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Dell Latitude 3540 Service Manual Download Page 113

Troubleshooting

Enhanced Pre-Boot System Assessment (ePSA) 

diagnostics

The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the 
BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device 
groups allowing you to:

•

Run tests automatically or in an interactive mode

•

Repeat tests

•

Display or save test results

•

Run thorough tests to introduce additional test options to provide extra information about the failed device(s)

•

View status messages that inform you if tests are completed successfully

•

View error messages that inform you of problems encountered during testing

NOTE: 

Some tests for specific devices require user interaction. Always ensure that you are present at the computer terminal 

when the diagnostic tests are performed.

Running the ePSA diagnostics

1 

Turn on your computer.

2 

As the computer boots, press the F12 key as the Dell logo appears.

3 

On the boot menu screen, select the 

Diagnostics

 option.

4 

Click the arrow at the bottom left corner.
Diagnostics front page is displayed.

5 

Click the arrow in the lower-right corner to go to the page listing.
The items detected are listed.

6 

To run a diagnostic test on a specific device, press Esc and click 

Yes

 to stop the diagnostic test.

7 

Select the device from the left pane and click 

Run Tests

.

8 

If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.

System diagnostic lights

Battery-status light

Indicates the power and battery-charge status.

Solid white

 — Power adapter is connected and the battery has more than 5 percent charge.

Amber

 — Computer is running on battery and the battery has less than 5 percent charge.

Off

•

Power adapter is connected and the battery is fully charged.

4

Troubleshooting

113

Summary of Contents for Latitude 3540

Page 1: ...Dell Precision 3540 Service Manual Regulatory Model P80F Regulatory Type P80F001 ...

Page 2: ...amage 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 2019 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 2019 04 Rev A00 ...

Page 3: ...d USB 3 1 12 Thunderbolt over USB Type C 13 Thunderbolt 3 over USB Type C 13 Key Features of Thunderbolt 3 over USB Type C 13 Thunderbolt Icons 14 HDMI 1 4a 14 HDMI 1 4a Features 14 Advantages of HDMI 14 Power button LED behavior 15 Power button LED behavior without Fingerprint readerPower On and LED behavior with Fingerprint reader 15 3 Disassembly and reassembly 17 microSD card 17 Removing micro...

Page 4: ...oving the system fan 50 Installing the system fan 52 Power adapter port 54 Removing the DC in port 54 Installing the DC in port 56 LED board 58 Removing the LED board 58 Installing the LED board 61 Touchpad 64 Removing the touchpad button 64 Installing the touchpad buttons board 66 System board 68 Removing the system board 68 Installing the system board 71 Coin cell battery 74 Removing the coin ce...

Page 5: ...el 100 Installing display panel 103 Camera 105 Removing camera 105 Installing the camera 106 Display eDP cable 107 Removing display cable 107 Installing display cable 108 Display back cover assembly 109 Replacing the display back cover 109 Palmrest assembly 111 Replacing the palmrest and keyboard assembly 111 4 Troubleshooting 113 Enhanced Pre Boot System Assessment ePSA diagnostics 113 Running th...

Page 6: ...ouching 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 bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its connector or on its pull tab...

Page 7: ...your skin and ensure that you remove all jewelry such as watches bracelets or rings prior to bonding yourself and the equipment Electrostatic discharge ESD protection ESD is a major concern when you handle electronic components especially sensitive components such as expansion cards processors memory DIMMs and system boards Very slight charges can damage circuits in ways that may not be obvious su...

Page 8: ...est once per week A wrist strap tester is the best method for doing this test If you do not have your own wrist strap tester check with your regional office to find out if they have one To perform the test plug the wrist strap s bonding wire into the tester while it is strapped to your wrist and push the button to test A green LED is lit if the test is successful a red LED is lit and an alarm soun...

Page 9: ...ad close The closer it is to your spine the less force it exerts on your back 5 Keep your back upright whether lifting or setting down the load Do not add the weight of your body to the load Avoid twisting your body and back 6 Follow the same techniques in reverse to set the load down After working inside your computer About this task After you complete any replacement procedure ensure that you co...

Page 10: ... 1 SuperSpeed USB For years the USB 2 0 has been firmly entrenched as the de facto interface standard in the PC world with about 6 billion devices sold and yet the need for more speed grows by ever faster computing hardware and ever greater bandwidth demands The USB 3 0 USB 3 1 Gen 1 finally has the answer to the consumers demands with a theoretically 10 times faster than its predecessor In a nuts...

Page 11: ...meras etc USB 2 0 may not be fast enough Furthermore no USB 2 0 connection could ever come close to the 480Mbps theoretical maximum throughput making data transfer at around 320Mbps 40MB s the actual real world maximum Similarly USB 3 0 USB 3 1 Gen 1 connections will never achieve 4 8Gbps We will likely see a real world maximum rate of 400MB s with overheads At this speed USB 3 0 USB 3 1 Gen 1 is ...

Page 12: ... is about a third the size of an old USB Type A plug This is a single connector standard that every device should be able to use USB Type C ports can support a variety of different protocols using alternate modes which allows you to have adapters that can output HDMI VGA DisplayPort or other types of connections from that single USB port USB Power Delivery The USB PD specification is also closely ...

Page 13: ...hunderbolt 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 connector port to connect to supported peripherals 1 Thunderbolt 3 uses USB Type C connector and cables It is compact and reversible 2 Thunderb...

Page 14: ... time signaling of content types between display and source devices 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 commer...

Page 15: ... LED is off Power On and LED behavior with Fingerprint reader Pressing the power button for a duration between 50 msec to 2 sec turns on the device Power button does not register additional presses until the SOL Sign Of Life has been provided to the user System LED s illuminates upon pressing the power button All the available LED s Keyboard backlit Keyboard caps lock LED Battery Charge LED illumi...

Page 16: ...harging When the charge is complete the LED turns off If the computer is running on a battery the battery light operates as follows 1 Off the battery is adequately charged or the computer is turned off 2 Solid amber the battery charge is critically low A low battery state is approximately 30 minutes or less of battery life remaining Camera LED White LED activates when camera is on Mic Mute LED Whe...

Page 17: ... card 1 Follow the procedure in Before working inside your computer 2 Press in on the microSD card 1 and remove it from the computer 2 Installing microSD card Step Slide the SD card into its slot until it clicks into place 1 2 3 Disassembly and reassembly 17 ...

Page 18: ...r computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card Steps 1 Loosen the eight captive screws that secure the base cover to the computer 18 Disassembly and reassembly ...

Page 19: ...2 Pry the base cover from the edge using a plastic scribe 1 2 Disassembly and reassembly 19 ...

Page 20: ...xt to the left and right hinges which ease the disassembly procedure With the help of a plastic scribe pry open from the top left side of the base cover continue working your way around the left and right side of the base cover then remove the base cover from the system 3 Lift the base cover from the computer 20 Disassembly and reassembly ...

Page 21: ...Installing the base cover Steps 1 Align the base cover on the computer and press the edges of the cover until it clicks into place Disassembly and reassembly 21 ...

Page 22: ...2 Press down on the edges pf the base cover till clicks in place 22 Disassembly and reassembly ...

Page 23: ...3 Tighten the eight captive screws to secure the base cover to the computer Disassembly and reassembly 23 ...

Page 24: ...ts Do not expose the battery to high temperatures 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 If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be dangerous In such an instanc...

Page 25: ...your computer 2 Remove the microSD card 3 Remove the base cover Steps 1 Disconnect the battery cable from the connector in the system board 2 Remove the one M2 0x4 0 screw that secures the battery to the palmrest 1 3 Remove the battery from the computer 2 Disassembly and reassembly 25 ...

Page 26: ...Installing the battery Steps 1 Align the battery into the slot on the computer 1 and replace the single M2 0x4 0 screw to secure the battery to the palmrest 2 26 Disassembly and reassembly ...

Page 27: ...2 Reconnect the battery cable to the connector on the system board Disassembly and reassembly 27 ...

Page 28: ...side your computer Memory modules Removing the memory Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Step Gently pry on the memory module latch 1 and slide it out of the slot 2 28 Disassembly and reassembly ...

Page 29: ...Installing the memory Step Align the memory and slide it into the slot on the computer 1 and gently press down on the memory module till it locks into the latches 2 Disassembly and reassembly 29 ...

Page 30: ...s 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Remove the single screw that secures the wlan bracket to the computer 1 and lift the bracket away from the computer 2 2 Disconnect the two wireless antennas from the wireless card 3 and slide the card out of the connector 4 30 Disassembly and reassembly ...

Page 31: ...1 Slide the wireless card into the slot on the computer 1 and reconnect the wireless antennas to the card 2 2 Replace the wireless bracket on the card 3 and secure it with the single screw to the computer 4 Disassembly and reassembly 31 ...

Page 32: ...ate drive Removing the Solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Remove the two screws that secure the ssd to computer 1 and slide the ssd module along with the metal bracket from the connector 2 32 Disassembly and reassembly ...

Page 33: ...hermal pad on the metal bracket Installing the solid state drive Steps 1 Affix the ssd module on the metal bracket 1 and slide the module into the connector on the computer 2 2 Replace the two screws to secure the module on the computer 3 Disassembly and reassembly 33 ...

Page 34: ...ate drive bracket Removing the solid state drive bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd Step Remove the single screw that secures the bracket to the computer 1 and lift it out of the computer 2 34 Disassembly and reassembly ...

Page 35: ...lling the solid state drive bracket Step Align the bracket and insert it into the slot on the computer 1 and replace the single screw that secures the bracket to the computer 2 Disassembly and reassembly 35 ...

Page 36: ...t bracket Removing the palmrest bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket Steps 1 Un route the wireless antenna 1 and then disconnect and un route the speaker cable from the system board 2 36 Disassembly and reassembly ...

Page 37: ...2 Remove the four M2x5 and six M2x3 screws that secure the palmrest bracket to the computer 1 2 and lift the bracket away from the computer 3 Disassembly and reassembly 37 ...

Page 38: ... the palmrest bracket Steps 1 Align and insert the palmrest bracket into the computer 1 2 Replace the four M2x5 screws and six M2x3 to secure the palmrest bracket to the computer 2 3 38 Disassembly and reassembly ...

Page 39: ...3 Re route the wireless antennas and the speaker cable through the routing clips 1 2 4 Reconnect the speaker cable to the system board 3 Disassembly and reassembly 39 ...

Page 40: ...llow the procedure in after working inside your computer Speaker Removing the speakers Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket 40 Disassembly and reassembly ...

Page 41: ...2 5 screw that secures the LED board to the computer 1 2 Lift and flip the LED board over to access the speaker cables 2 3 Un route the speaker cables from the routing clips on the computer chassis Disassembly and reassembly 41 ...

Page 42: ...4 Lift the speaker up out of the computer 42 Disassembly and reassembly ...

Page 43: ...Installing the speakers Steps 1 Align and place the holes on the speaker module with the pins located on the computer chassis Disassembly and reassembly 43 ...

Page 44: ...2 Re route the speaker cables through the routing clips on the computer chassis 44 Disassembly and reassembly ...

Page 45: ...3 Reseat the LED board 1 4 Replace the one M2x2 5 to secure the LED board to the computer 2 Disassembly and reassembly 45 ...

Page 46: ...card 7 Follow the procedure in after working inside your computer Heat sink Removing the Heatsink Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Disconnect the Heatsink fan cable from the connector on the system board 1 46 Disassembly and reassembly ...

Page 47: ...2 Remove the seven M2x3 screws and the two M2x5 screws as per the numerical callout on the Heatsink 1 3 Lift the Heatsink out of the computer 2 Disassembly and reassembly 47 ...

Page 48: ...talling the Heatsink Steps 1 Align and place the Heatsink over the screw holes on the computer 1 2 Replace the seven M2x3 and M2x5 screws as per the callouts on the Heatsink 2 48 Disassembly and reassembly ...

Page 49: ...3 Re connect the Heatsink fan cable to the connector on the system board Disassembly and reassembly 49 ...

Page 50: ...working inside your computer System fan Removing the system fan Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Disconnect the system fan cable from the connector on the system board 50 Disassembly and reassembly ...

Page 51: ...2 Remove the two M2x5 screws that secure the system fan to the palmrest 1 3 Lift the system fan away from the computer 2 Disassembly and reassembly 51 ...

Page 52: ...e system fan Steps 1 Place and align the screw holes on the system fan with the screw holes on to the palmrest 1 2 Replace the two M2x5 screws to secure the system fan to the palmrest 2 52 Disassembly and reassembly ...

Page 53: ...3 Connect the system fan cable to the connector on the system board Disassembly and reassembly 53 ...

Page 54: ...uter Power adapter port Removing the DC in port Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Steps 1 Remove the two M2x5 screws that secure the Type C bracket 1 2 Lift the Type C bracket away from the computer 2 54 Disassembly and reassembly ...

Page 55: ...3 Disconnect the DC in port cable from the connector on the system board and remove it from the computer 1 2 Disassembly and reassembly 55 ...

Page 56: ...Installing the DC in port Steps 1 Insert the DC in port into the computer 1 2 Reconnect the DC in port cable to the connector on the system board 2 56 Disassembly and reassembly ...

Page 57: ...3 Place the Type C bracket on top of the DC in port 1 4 Replace the two M2x5 screws to secure the Type C on the computer 2 Disassembly and reassembly 57 ...

Page 58: ...LED board Removing the LED board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket Steps 1 Unlock and disconnect the USH cable from the pamlrest 1 2 58 Disassembly and reassembly ...

Page 59: ...2 Unlock and disconnect the LED board cable from the system board 1 3 Un route the LED board cable from the computer chassis 2 Disassembly and reassembly 59 ...

Page 60: ...4 Remove the single M2x2 5 screw and lift the LED board out of the computer 1 2 60 Disassembly and reassembly ...

Page 61: ...Installing the LED board Steps 1 Reseat the LED board in its place and secure it with the single M2x2 5 screw to the computer 1 2 Disassembly and reassembly 61 ...

Page 62: ...2 Connect the LED board cable to the system board and re route it on the computer chassis 1 2 62 Disassembly and reassembly ...

Page 63: ...3 Gently fold the fold the USH cable as shown 1 4 Re connect the USH cable to the palmrest and secure the lock 2 Disassembly and reassembly 63 ...

Page 64: ...D card 7 Follow the procedure in after working inside your computer Touchpad Removing the touchpad button Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket 64 Disassembly and reassembly ...

Page 65: ...ct the smart card reader cable and unroute the cable 1 2 2 Disconnect the touchpad cable from the connector 3 3 Remove the two M2x3 screws and left the touchpad away from the computer 1 2 Disassembly and reassembly 65 ...

Page 66: ...Installing the touchpad buttons board Steps 1 Align and place touchpad with the computer chassis 1 2 Replace the two M2x3 screws that secure the touchpad to the computer 2 66 Disassembly and reassembly ...

Page 67: ...3 Re connect the smart card reader cables and press it down to the computer chassis 1 2 4 Re connect the touchpad cable to the palmrest 3 Disassembly and reassembly 67 ...

Page 68: ...low the procedure in after working inside your computer System board Removing the system board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket 8 Remove the LED board 68 Disassembly and reassembly ...

Page 69: ...t the LED board USH and the touchpad cables from the connectors on the system board 3 4 5 3 Remove the single screw securing the metal bracket to the computer 1 and lift it away from the computer 2 4 Disconnect the fingerprint reader cable from the system board connector 3 Disassembly and reassembly 69 ...

Page 70: ...5 Remove the five M2x3 screws that secure the system board to the computer 1 6 Lift the system board out of the computer 2 70 Disassembly and reassembly ...

Page 71: ...Installing the system board Steps 1 Align and place the system board on the computer chassis 1 2 Replace the five M2x3 screws to secure the system board to the computer 2 Disassembly and reassembly 71 ...

Page 72: ...3 Re connect the display cable 1 4 Place the display cable bracket and secure it with the two M2x2 5 screws 2 3 72 Disassembly and reassembly ...

Page 73: ...5 Replace the card slot tray 1 6 Re connect the LED board USH and touchpad cables to the connector on the system board 2 3 4 Disassembly and reassembly 73 ...

Page 74: ...cket 5 Install the ssd 6 Install the battery 7 Install the base cover 8 Install the microSD card 9 Follow the procedure in after working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in before working inside your computer 74 Disassembly and reassembly ...

Page 75: ... coin cell cable from the connector on the system board 1 and lift it out of the computer 2 Installing the coin cell battery Step Affix the coin cell battery back on the computer 1 and reconnect the coin cell battery cable to the connector on the system board 2 Disassembly and reassembly 75 ...

Page 76: ...sembly Removing the LCD assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the WLAN card Steps 1 Un route the wireless antenna 1 2 Remove the twp M2x3 screws that secure the display cable bracket to the computer 2 76 Disassembly and reassembly ...

Page 77: ...3 Open the system to 180 degrees and place the computer on a flat surface with the display hinges facing up Disassembly and reassembly 77 ...

Page 78: ...4 Remove the six M2 5x5 0 display hinge bracket screws that secure the display assembly to the system 1 5 Lift the display assembly away from the system 2 78 Disassembly and reassembly ...

Page 79: ... 1 Place the chassis on a plane surface 2 Align the display assembly with the screw holders on the system 1 3 Replace the six M2 5x5 0 display hinge screws that secure the display assembly to the system 2 Disassembly and reassembly 79 ...

Page 80: ...4 Carefully close the LCD screen 80 Disassembly and reassembly ...

Page 81: ...route the wireless antennas 1 6 Re connect the display cable to the connector on the system board 2 7 Place the display cable bracket and secure it with the two M2x3 screws 3 4 Disassembly and reassembly 81 ...

Page 82: ... Keyboard lattice and Keyboard Removing the keyboard Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket 8 Remove the heatsink 9 Remove the memory module 10 Remove the DC in 82 Disassembly and reassembly ...

Page 83: ...ve the system board Steps 1 Disconnect the backlit cable and the keyboard cable from the touchpad 2 Remove the nineteen M2x2 screws that secure the keyboard 1 3 Lift the keyboard away from the computer 2 Disassembly and reassembly 83 ...

Page 84: ...Installing the keyboard Steps 1 Align and place the keyboard on the computer chassis 1 2 Replace the nineteen M2x2 screws to secure the keyboard to the computer 2 84 Disassembly and reassembly ...

Page 85: ...3 Reconnect the backlit cable and the keyboard cable to the touchpad Disassembly and reassembly 85 ...

Page 86: ...the ssd bracket 8 Install the ssd 9 Install the battery 10 Install the base cover 11 Install the microSD card 12 Follow the procedure in after working inside your computer Keyboard bracket Removing the keyboard bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 86 Disassembly and reassembly ...

Page 87: ... 11 Remove the memory module 12 Remove the DC in 13 Remove the WLAN card 14 Remove the system board 15 Remove the coin cell battery 16 Remove the keyboard 17 Remove the SmartCard reader board Steps 1 Remove the eleven M2x2 screws that secure the keyboard to the keyboard bracket 1 2 Remove the keyboard from the keyboard bracket 2 Disassembly and reassembly 87 ...

Page 88: ...ext steps 1 Install the SmartCard reader board 2 Install the keyboard 3 Install the coin cell battery 4 Install the system board 5 Install theWLAN card 6 Install the Dc in 7 Install thememory module 8 Install the heatsink 9 Install the speaker 10 Install the LED board 11 Install the palmrest bracket 12 Install the ssd bracket 13 Install the ssd 88 Disassembly and reassembly ...

Page 89: ...dure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the ssd 6 Remove the ssd bracket 7 Remove the palmrest bracket Steps 1 Disconnect and un route the smart card reader cable 1 2 Remove the four M2x2 5 screws that secure the smart card reader module to the computer 1 3 Lift the smart card reader module out of the computer 2 Di...

Page 90: ...mart card reader Steps 1 Align and place the smart card reader module into the computer chassis 1 2 Replace the four M2x2 5 screws to secure the smart card reader module to the computer 2 90 Disassembly and reassembly ...

Page 91: ...3 Re connect the smart card reader cable to the system board and secure the cable to the computer 1 2 Disassembly and reassembly 91 ...

Page 92: ...6 Install the microSD card 7 Follow the procedure in after working inside your computer Display bezel Removing the display bezel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 92 Disassembly and reassembly ...

Page 93: ...the recesses near the left and right hinges on the bottom edge of the display bezel 1 2 Carefully pry open the inside edge of the display bezel and then pry open the inside edge of the left and right sides of the display bezel 2 3 Lift the display bezel from the display assembly Disassembly and reassembly 93 ...

Page 94: ...Installing the display bezel Steps 1 Align and place the display bezel on the display assembly 94 Disassembly and reassembly ...

Page 95: ...2 Gently snap the display bezel into place Disassembly and reassembly 95 ...

Page 96: ...ure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel Steps 1 Remove the two M2x2 5 screws that secure the hinge caps to the chassis 1 2 Pinch the hinge caps to release the hinge caps from the ribs on the display back cover and then slide inwards to remove the hinge caps from the di...

Page 97: ...Installing hinge caps Steps 1 Place the hinge caps and slide outward on the display hinges 1 2 Replace the two M2x2 5 screws to secure the hinge caps to the display hinge 2 Disassembly and reassembly 97 ...

Page 98: ...D card 6 Follow the procedure in after working inside your computer Display hinges Removing display hinge Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel 98 Disassembly and reassembly ...

Page 99: ...e to the display assembly 1 2 Remove the display hinges from the display back cover 2 Installing display hinge Steps 1 Align and place the display hinge on the display assembly 2 Replace the four M2 5x3 5 screws to secure the display hinge to the display assembly Disassembly and reassembly 99 ...

Page 100: ...cover 6 Install the microSD card 7 Follow the procedure in after working inside your computer Display panel Removing display panel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 100 Disassembly and reassembly ...

Page 101: ... the display assembly 1 and lift to turn over the display panel to access the display cable 2 2 Peel the conductive tape 1 on the display cable connector 3 Remove the adhesive strip that secures the display cable connector 2 4 Lift the latch and disconnect the display cable from the connector on the display panel 3 4 Disassembly and reassembly 101 ...

Page 102: ...102 Disassembly and reassembly ...

Page 103: ...Connect the display cable to the connector and close the latch 1 2 2 Adhere the adhesive strip to secure the display cable connector 3 3 Adhere the conductive tape to secure the display cable connector 4 Disassembly and reassembly 103 ...

Page 104: ...4 Replace the four M2x2 screws that secure the display panel to the display assembly 104 Disassembly and reassembly ...

Page 105: ...tall the battery 6 Install the base cover 7 Install the microSD card 8 Follow the procedure in after working inside your computer Camera Removing camera Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery Disassembly and reassembly 105 ...

Page 106: ...1 2 Using a plastic scribe carefully pry and lift the camera module from the display back cover 2 3 Disconnect the camera cable from the connector on the camera module 3 Installing the camera Steps 1 Connect the camera cable to the connector on the camera module 1 2 Insert the camera into the slot on the display back cover 2 3 Affix the two conductive tape above the camera 3 106 Disassembly and re...

Page 107: ...y assembly 6 Install the battery 7 Install the base cover 8 Install the microSD card 9 Follow the procedure in after working inside your computer Display eDP cable Removing display cable Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover Disassembly and reassembly 107 ...

Page 108: ...Remove the camera Step Peel the conductive tape and unroute the display cable to release it from the adhesive and lift the display cable from the display back cover Installing display cable Steps 1 Adhere the display cable to the display back cover 2 Adhere the conductive tape and route the display cable to the display back cover 108 Disassembly and reassembly ...

Page 109: ...all the base cover 9 Install the microSD card 10 Follow the procedure in after working inside your computer Display back cover assembly Replacing the display back cover Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the display assembly 6 Remove the display bezel Disassembly and reassembly ...

Page 110: ...with the display back cover Next steps 1 Install the display cable 2 Install the camera 3 Install the display panel 4 Install the display hinges 5 Install the hinge caps 6 Install the display bezel 7 Install the display assembly 8 Install the battery 9 Install the base cover 10 Install the microSD card 11 Follow the procedure in after working inside your computer 110 Disassembly and reassembly ...

Page 111: ...he ssd bracket 7 Remove the palmrest bracket 8 Remove the LED board 9 Remove the speaker 10 Remove the heatsink 11 Remove the memory module 12 Remove the DC in 13 Remove the WLAN card 14 Remove the system board 15 Remove the coin cell battery 16 Remove the keyboard 17 Remove the SmartCard reader board About this task After performing the preceding steps you are left with the palmrest and keyboard ...

Page 112: ...tall the Dc in 7 Install thememory module 8 Install the heatsink 9 Install the speaker 10 Install the LED board 11 Install the palmrest bracket 12 Install the ssd bracket 13 Install the ssd 14 Install the battery 15 Install the base cover 16 Install the microSD card 17 Follow the procedure in after working inside your computer 112 Disassembly and reassembly ...

Page 113: ...erminal when the diagnostic tests are performed Running the ePSA diagnostics 1 Turn on your computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option 4 Click the arrow at the bottom left corner Diagnostics front page is displayed 5 Click the arrow in the lower right corner to go to the page listing The items detected are lis...

Page 114: ...lid memory installed 2 6 System board or chipset error 2 7 Display failure 3 1 Coin cell battery failure 3 2 PCI video card chip failure 3 3 Recovery image not found 3 4 Recovery image found but invalid 3 5 Power rail failure 3 6 System BIOS Flash incomplete 3 7 Management Engine ME error Camera status light Indicates whether the camera is in use Solid white Camera is in use Off Camera is not in u...

Page 115: ...6 Turn on the modem 7 Turn on your computer Troubleshooting 115 ...

Page 116: ...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 Steps 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...

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