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Dell Inspiron 16 Plus 7620, Service Manual, Page: 33 / 69

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Dell Inspiron 16 Plus 7620 Service Manual Download Page 33

Steps

1. Align the captive screws on the heat sink to the screw holes on the system board.
2. In sequential order (1>2>3>4>5>6>7), tighten the seven captive screws that secure the heat sink to the system board.

Next steps

1. Install the 

base cover

.

2. Follow the procedure in 

After working inside your computer

.

Display assembly

Removing the display assembly

Prerequisites

1. Follow the procedure in 

Before working inside your computer

.

NOTE:

 Ensure that your computer is in Service Mode. For more information see, step 6 in 

Before working inside your

computer

.

2. Remove the 

base cover

.

About this task

The following image(s) indicate the location of the display assembly and provides a visual representation of the removal
procedure.

Removing and installing components

33

Summary of Contents for Inspiron 16 Plus 7620

Page 1: ...Inspiron 16 Plus 7620 Service Manual NVIDIA GeForce RTX 3060 Regulatory Model P117F Regulatory Type P117F003 P117F004 April 2022 Rev A00 ...

Page 2: ...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 2022 Dell Inc or its subsidiaries All rights reserved Dell Technologies Dell and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ... solid state drive 19 Installing the M 2 2230 solid state drive 20 Removing the M 2 2280 solid state drive 21 Installing the M 2 2280 solid state drive 22 Wireless card 23 Removing the wireless card 23 Installing the wireless card 24 Battery 26 Lithium ion battery precautions 26 Removing the battery 26 Installing the battery 27 Fans 28 Removing the left fan 28 Installing the left fan 29 Removing t...

Page 4: ...rivers and downloads 55 Chapter 5 System setup 56 Entering BIOS setup program 56 Navigation keys 56 Boot Sequence 57 System setup options 57 System and setup password 61 Assigning a system setup password 61 Deleting or changing an existing system setup password 62 Clearing CMOS settings 62 Clearing BIOS System Setup and System passwords 63 Updating the BIOS 63 Updating the BIOS in Windows 63 Updat...

Page 5: ...e if you are referring to the correct manual when attempting to remove or install components on your computer This manual is only applicable for Inspiron 16 Plus 7620 computers with a microSD card slot This configuration is only available in systems shipped with a NVIDIA GeForce RTX 3060 To physically identify if your computer has a SD card slot or a microSD card slot check the right side of your ...

Page 6: ...ng inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull it by its connector or its pull tab not the cable itself Some cables have connectors with locking tabs o...

Page 7: ...is 1 6 W NOTE Tests for SAR are conducted using standard operating positions accepted by the FCC with the device transmitting at its highest certified power level in all tested frequency bands 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 slig...

Page 8: ...t 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 sounds...

Page 9: ...and ensure that no stray screws remain inside your computer 2 Connect any external devices peripherals or cables you removed before working on your computer 3 Replace any media cards discs or any other parts that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets NOTE To exit service mode ensure to connect the AC adapter to the ...

Page 10: ...a screw storage box This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced NOTE Some computers have magnetic surfaces Ensure that the screws are not left attached to such surfaces when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Screw type Quantity Screw image Base cover M...

Page 11: ...Type C bracket M2x5 2 Power button with fingerprint reader M2x1 8 1 Power button board M2x3 1 Power adapter port M2 5x5 2 Display hinges M2 5x5 4 Major components of Inspiron 16 Plus 7620 The following image shows the major components of Inspiron 16 Plus 7620 Removing and installing components 11 ...

Page 12: ...y module 5 Right Fan 6 System board 7 Battery 8 Speaker woofers module 9 Palm rest and keyboard assembly 10 Display assembly 11 Wireless card 12 M 2 2280 solid state drive 13 M 2 2230 solid state drive 14 Thermal module 15 Left Fan 12 Removing and installing components ...

Page 13: ...over Removing the base cover Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer About this task NOTE Before removing the base cover ensure that there is no SD card installed in the SD card slot on your computer The following image s shows the base cover ...

Page 14: ...the top left and continue to work on the sides to open the base cover 4 Lift and slide the base cover off the palm rest and keyboard assembly Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s shows the base cover and provides a visual representation of the installat...

Page 15: ...Removing and installing components 15 ...

Page 16: ...alm rest and keyboard assembly Next steps 1 Follow the procedure in After working inside your computer Memory module Removing the memory module Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover About this task The following image...

Page 17: ...TE If your computer has two memory modules installed repeat steps 1 to 3 for the memory module installed in the second memory slot Installing the memory module Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the memory module and provides a visual representation of...

Page 18: ...dule into the memory module slot on the system board 4 Press down on the memory module till the securing clips click locking the memory module in place NOTE Repeat steps 1 to 4 for the second memory module being installed into your computer Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer 18 Removing and installing components ...

Page 19: ...unting bracket for the M 2 2230 solid state drive is required The mounting bracket is provided if the M 2 2230 solid state drive is shipped with the computer If you are replacing the M 2 2230 solid state drive with a new M 2 2230 solid state drive use the existing mounting bracket to install the latter M 2 2280 solid state drive If you are replacing the M 2 2280 solid state drive shipped with the ...

Page 20: ... computer depends on the configuration ordered The M 2 slot supports one of the following solid state drives M 2 2230 solid state drive A mounting bracket for the M 2 2230 solid state drive is required The mounting bracket is provided if the M 2 2230 solid state drive is shipped with the computer If you are replacing the M 2 2230 solid state drive with a new M 2 2230 solid state drive use the exis...

Page 21: ...ver About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed NOTE The M 2 solid state drive installed on your computer depends on the configuration ordered The M 2 slot supports one of the following solid state drives M 2 2230 solid state drive A mounting bracket for the M 2 2230 solid state drive is required The mounting bracket is provide...

Page 22: ... state drives M 2 2230 solid state drive A mounting bracket for the M 2 2230 solid state drive is required The mounting bracket is provided if the M 2 2230 solid state drive is shipped with the computer If you are replacing the M 2 2230 solid state drive with a new M 2 2230 solid state drive use the existing mounting bracket to install the latter M 2 2280 solid state drive If you are replacing the...

Page 23: ... cover 2 Follow the procedure in After working inside your computer Wireless card Removing the wireless card Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover About this task The following image s indicate the location of the wir...

Page 24: ... 4 Slide and remove the wireless card from the wireless card slot Installing the wireless card Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the wireless card and provides a visual representation of the installation procedure 24 Removing and installing components...

Page 25: ...rs on the wireless card Antenna cable color Silkscreen marking Main White MAIN white triangle Auxiliary Black AUX black triangle 3 Align and place the wireless card bracket on the wireless card 4 Replace the screw M2x3 that secures the wireless card bracket to the system board and palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside you...

Page 26: ...er system components If the battery gets stuck inside your computer as a result of swelling do not try to release it as puncturing bending or crushing a lithium ion battery can be dangerous In such an instance contact Dell technical support for assistance See www dell com contactdell Always purchase genuine batteries from www dell com or authorized Dell partners and resellers Swollen batteries sho...

Page 27: ...tery off the palm rest and keyboard assembly Installing the battery Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the battery and provides a visual representation of the installation procedure Removing and installing components 27 ...

Page 28: ...llow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover About this task The following image s indicate the location of the left fan and provides a visual representation of the removal procedure Steps 1 Disconnect the left fan cable from the system board...

Page 29: ...t secure the left fan to the palm rest and keyboard assembly 3 Connect the left fan cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing the right fan Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before wo...

Page 30: ... palm rest and keyboard assembly 5 Lift the right fan off the palm rest and keyboard assembly Installing the right fan Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the right fan and provides a visual representation of the installation procedure 30 Removing and i...

Page 31: ... procedure in After working inside your computer Heat sink Removing the heat sink Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover About this task NOTE The heat sink may become hot during normal operation Allow sufficient time f...

Page 32: ...k off the system board Installing the heat sink Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the heat sink and provides a visual representation of the installation procedure 32 Removing and installing components ...

Page 33: ...king inside your computer Display assembly Removing the display assembly Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover About this task The following image s indicate the location of the display assembly and provides a visual ...

Page 34: ...oard 4 Open the right display hinge at an angle of 90 degrees 5 Peel the tape that secures the display cable connector latch to the system board 6 Open the latch and disconnect the display cable from the system board 7 Remove the display cable from the routing guides on the palm rest and keyboard assembly 8 At an angle gently lift the palm rest and keyboard assembly off the display assembly 34 Rem...

Page 35: ...ut this task The following image s indicate the location of the display assembly and provides a visual representation of the installation procedure Steps 1 Place the display assembly on a clean and flat surface with the display panel facing up 2 Gently place the palm rest and keyboard assembly under the display hinges Removing and installing components 35 ...

Page 36: ...t and keyboard assembly 8 Connect the display cable to the system board and close the latch 9 Adhere the tape that secures the display cable connector latch to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Speakers Removing the speakers woofers Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure...

Page 37: ...nect the speaker woofers cable from the system board 5 Remove the speaker woofers cable from the routing guides on the palm rest and keyboard assembly 6 Lift the speakers woofers along with their cables off the palm rest and keyboard assembly Installing the speakers woofers Prerequisites If you are replacing a component remove the existing component before performing the installation process Remov...

Page 38: ...the alignment posts are threaded through the rubber grommets on the speaker 2 Route the speaker woofers cable through the routing guides on the palm rest and keyboard assembly 3 Adhere the tapes that secure the speaker woofers cable to the system board 4 Connect the touchpad cable to the system board and close the latch 5 Adhere the tapes that secure the antennae cables to the system board Next st...

Page 39: ...ate the location of the speakers tweeters and provides a visual representation of the installation procedure Steps 1 Disconnect the speaker tweeters cable from the system board 2 Lift the speakers tweeters and their cables off the palm rest and keyboard assembly Installing the speakers tweeters Prerequisites If you are replacing a component remove the existing component before performing the insta...

Page 40: ...ng inside your computer Power button board Removing the power button board Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover 3 Remove the left fan 4 Remove the heat sink About this task The following image s indicate the location...

Page 41: ...tton board and its cable off the palm rest and keyboard assembly Installing the power button board Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the power button board and provides a visual representation of the installation procedure Removing and installing comp...

Page 42: ...s 1 Install the heat sink 2 Install the left fan 3 Install the base cover 4 Follow the procedure in After working inside your computer Power button with optional fingerprint reader Removing the power button with optional fingerprint reader Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information see step 6 in...

Page 43: ...en the latch and disconnect the finger print reader cable from the system board 4 Lift the power button with optional fingerprint reader off the palm rest and keyboard assembly Installing the power button with optional fingerprint reader Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indi...

Page 44: ...he latch Next steps 1 Install the power button board 2 Install the heat sink 3 Install the left fan 4 Install the base cover 5 Follow 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 NOTE Ensure that your computer is in Service Mode For more information see step 6 in Before working...

Page 45: ...ay cable connector 3 Keyboard cable connector 4 Keyboard backlight cable connector 5 Speaker woofers cable connector 6 Touchpad cable connector 7 Power button cable connector 8 Power cable connector The following image s indicate the location of the system board and provides a visual representation of the removal procedure Removing and installing components 45 ...

Page 46: ... screws M2x5 that secure the Type C port bracket to the system board 5 Lift the Type C port bracket off the system board 6 Open the latch and disconnect the keyboard cable from the system board 7 Open the latch and disconnect the keyboard backlight cable from the system board 8 Peel the Mylar off the speaker woofer cable 9 Disconnect the speaker woofer cable from the system board 46 Removing and i...

Page 47: ...and turn over the system board to access the power adapter port cable 14 Peel off the adhesive tape that secures the power adapter port cable to the system board 15 Disconnect the power adapter port cable from the system board Installing the system board Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The follo...

Page 48: ...ight cable connector 5 Speaker woofers cable connector 6 Touchpad cable connector 7 Power button cable connector 8 Power cable connector The following image s indicate the location of the system board and provides a visual representation of the installation procedure 48 Removing and installing components ...

Page 49: ...h the screw holes on the palm rest and keyboard assembly 5 Replace the three screws M2x3 that secure the system board to the palm rest and keyboard assembly 6 Connect the speaker tweeter cable to the system board 7 Connect the display cable to the system board and close the latch 8 Adhere the tape that secures the display cable to the display cable connector 9 Align the screw holes of the Type C p...

Page 50: ...all the M 2 2230 solid state drive or M 2 2280 solid state drive whichever applicable 6 Install the memory module 7 Install the base cover 8 Follow the procedure in After working inside your computer Power adapter port Removing the power adapter port Prerequisites 1 Follow the procedure in Before working inside your computer NOTE Ensure that your computer is in Service Mode For more information se...

Page 51: ...cable off the palm rest and keyboard assembly Installing the power adapter port Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the power adapter port and provides a visual representation of the installation procedure Removing and installing components 51 ...

Page 52: ...in Service Mode For more information see step 6 in Before working inside your computer 2 Remove the base cover 3 Remove the wireless card 4 Remove the battery 5 Remove the power adapter port 6 Remove the left fan and the right fan 7 Remove the display assembly 8 Remove the speakers woofers 9 Remove the speakers tweeters 10 Remove the system board NOTE For this configuration where the computer is o...

Page 53: ...reless antenna 2 Touchpad Installing the palm rest and keyboard assembly Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image s indicate the location of the palm rest and keyboard assembly and provides a visual representation of the installation procedure Removing and installing components 53 ...

Page 54: ...ad Next steps 1 Install the power button with optional fingerprint reader 2 Install the power button board 3 Install the system board 4 Install the speakers tweeters 5 Install the speakers woofers 6 Install the display assembly 7 Install the left fan and the right fan 8 Install the power adapter port 9 Install the battery 10 Install the wireless card 11 Install the base cover 12 Follow the procedu...

Page 55: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ 000123347 4 Drivers and downloads 55 ...

Page 56: ...ling base devices Entering BIOS setup program Steps 1 Turn on your computer 2 Press F2 immediately to enter the BIOS setup program NOTE If you wait too long and the operating system logo appears continue to wait until you see the desktop Then turn off your computer and try again Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect unti...

Page 57: ... Overview BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the computer Asset Tag Displays the Asset Tag of the computer Manufacture Date Displays the manufacture date of the computer Ownership Date Displays the ownership date of the computer Express Service Code Displays the express service code of the computer Ownership Tag Displays the ownership tag of the c...

Page 58: ...mory Displays the video memory information of the computer Wi Fi Device Displays the Wi Fi device installed in the computer Native Resolution Displays the native resolution of the computer Video BIOS Version Displays the video BIOS version of the computer Audio Controller Displays the audio controller information of the computer Bluetooth Device Displays whether a Bluetooth device is installed in ...

Page 59: ...puter date in MM DD YYYY format Changes to the date take effect immediately Time Sets the computer time in HH MM SS 24 hour format You can switch between 12 hour and 24 hour clock Changes to the time take effect immediately Camera Enable Camera Enables or disables the camera By default Enable Camera is selected Audio Enables or disables all integrated audio controller Default ON Enable Microphone ...

Page 60: ...ange or delete the system password Internal HDD 1 Password Enables the user to set change or delete the Internal HDD 1 password Table 10 System setup options Update Recovery menu Update Recovery SupportAssist OS Recovery Enables or disables the boot flow for SupportAssist OS Recovery tool in the event of certain system error Default ON BIOSConnect Enables or disables cloud Service OS recovery if t...

Page 61: ...ent Log Clear Thermal Event Log Select keep or clear Thermal events Default Keep Power Event Log Clear POWER Event Log Select keep or clear Power events Default Keep System and setup password Table 14 System and setup password Password type Description System password Password that you must enter to log on to your system Setup password Password that you must enter to access and make changes to the...

Page 62: ...ystem and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked About this task To enter the System Setup press F12 immediately after a power on or reboot Steps 1 In the System BIOS or System Setup screen select System Security and press Enter The System Security screen is displayed 2 In the System Security screen verify that Password S...

Page 63: ... file 8 Double click the BIOS update file icon and follow the on screen instructions For more information see knowledge base article 000124211 at www dell com support Updating the BIOS using the USB drive in Windows Steps 1 Follow the procedure from step 1 to step 6 in Updating the BIOS in Windows to download the latest BIOS setup program file 2 Create a bootable USB drive For more information see...

Page 64: ...f the USB drive AC power adapter that is connected to the computer Functional computer battery to flash the BIOS Perform the following steps to perform the BIOS update flash process from the F12 menu CAUTION Do not turn off the computer during the BIOS update process The computer may not boot if you turn off your computer Steps 1 From a turn off state insert the USB drive where you copied the flas...

Page 65: ...o not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any type 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 battery can be dangerous Do not attempt to reassemble a damaged or swollen battery into a laptop Swollen batteries that are covered under warrant...

Page 66: ...status light patterns and associated problems NOTE The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team Damage due to servicing that is not authorized by Dell is not covered by your warranty Table 15 Diagnos...

Page 67: ...the failed device s Run tests in either Automatic Mode or Interactive Test Mode Run interactive tests on LCD panel and keyboard Display or save test results View status messages that indicate if the tests are completed successfully View error messages that indicate if problems were encountered during the test NOTE Some tests for specific devices require user interaction Ensure that you are present...

Page 68: ...The following procedure provides the instructions on how to conduct a WiFi power cycle NOTE Some ISPs Internet Service Providers provide a modem router combo device Steps 1 Turn off your computer 2 Turn off the modem 3 Turn off the wireless router 4 Wait for 30 seconds 5 Turn on the wireless router 6 Turn on the modem 7 Turn on your computer 68 Troubleshooting ...

Page 69: ... Service Tag or Express Service Code at www dell com support For more information on how to find the Service Tag for your computer see Locate the Service Tag on your computer Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 On the menu bar at the top of the Support page select Support Knowledge Base 3 In the Search field on the Knowledge Base page type...

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