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Table 13. System setup options—Passwords menu (continued)

Passwords

Master Password Lockout

Enable Master Password Lockout

When enabled, this disables the master password support.

By default, the option is disabled.

Allow Non-Admin PSID Revert

(For

systems with discrete video card only)

Enable Allow Non-Admin PSID Revert

Controls access to the Physical Security ID (PSID) revert of NVMe hard-drives
from the Dell Security Manager prompt.

By default, the option is disabled.

Table 14. System setup options—Update, Recovery menu

Update, Recovery

UEFI Capsule Firmware Updates

Enable or disable BIOS updates through UEFI capsule update packages.

By default, the option is enabled.

BIOS Recovery from Hard Drive

Enables the user to recover from certain corrupted BIOS conditions from a
recovery file on the user primary hard drive or an external USB key.

By default, the option is enabled.

BIOS Downgrade

Allow BIOS Downgrade

Enable or disable the flashing of the system firmware to previous revision is
blocked.

By default, the option is enabled.

SupportAssist OS Recovery

Enable or disable the boot flow for SupportAssist OS Recovery tool in the
event of certain system errors.

By default, the option is enabled.

BIOSConnect

Enable or disable cloud Service operating system recovery if the main operating
system fails to boot with the number of failures equal to or greater than the
value specified by the Auto operating system Recovery Threshold setup option
and local Service operating system does not boot or is not installed.

By default, the option is enabled.

Dell Auto operating system Recovery
Threshold

Controls the automatic boot flow for SupportAssist System Resolution Console
and for Dell operating system Recovery Tool.

By default, the threshold value is set to 2.

Table 15. System setup options—System Management menu

System Management

Service Tag

Display the Service Tag of the system.

Asset Tag

Create a system Asset Tag.

AC Behavior

Wake on AC

Enable or disable the wake on AC option.

By default, the option is disabled.

Wake on LAN

Wake on LAN

Enable or disable the system to power on by special LAN signals when it
receives a wakeup signal from the WLAN.

By default, the

Disabled

option is selected.

BIOS setup

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Содержание Inspiron 3520

Страница 1: ...Latitude 3520 Service Manual Regulatory Model P108F Regulatory Type P108F001 P108F002 August 2021 Rev A02 ...

Страница 2: ...ential 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 2021 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 ...

Страница 3: ...cover 17 Installing the base cover 19 Battery cable 20 Lithium ion battery precautions 20 Removing the battery cable 21 Installing the battery cable 22 Memory module 22 Removing the memory module 22 Installing the memory module 23 M 2 solid state drive 25 Removing the M 2 2230 solid state drive 25 Installing the M 2 2230 solid state drive 25 Removing the M 2 2280 solid state drive 26 Installing th...

Страница 4: ...moving the heatsink assembly for computers with integrated graphics card 55 Installing the heatsink assembly for computers with integrated graphics card 55 Power adapter port 56 Removing the power adapter port 56 Installing the power adapter port 57 Coin cell battery 58 Removing the coin cell battery 58 Installing the coin cell battery 59 USB cable 60 Removing the USB cable 60 Installing the USB c...

Страница 5: ...oving the camera 96 Installing the camera 96 Display cable 97 Removing the display cable 97 Installing the display cable 98 Display back cover 100 Removing the display back cover 100 Installing the display back cover 100 Chapter 3 Drivers and downloads 102 Chapter 4 BIOS setup 103 BIOS overview 103 Entering BIOS setup program 103 Navigation keys 103 One time boot menu 104 System setup options 104 ...

Страница 6: ... Performance Check 119 Built in self test BIST 119 M BIST 119 LCD Power rail test L BIST 120 LCD Built in Self Test BIST 120 System diagnostic lights 120 Recovering the operating system 122 Real Time Clock RTC Reset 122 Backup media and recovery options 122 WiFi power cycle 123 Drain residual flea power perform hard reset 123 Chapter 6 Getting help and contacting Dell 124 6 Contents ...

Страница 7: ...tor 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 not on the cable itself Some cables have connectors with locking tabs i...

Страница 8: ...mputer shuts down you may perform the replacement procedures without disconnecting the battery cable from the system board Exiting Service Mode Service Mode allows users to immediately cut off electricity from the computer and conduct repairs without disconnecting the battery cable from the system board To exit Service Mode 1 Connect the AC adapter to the power adapter port on your computer 2 Pres...

Страница 9: ...mittent memory errors etc Perform the following steps to prevent ESD damage Use a wired ESD wrist strap that is properly grounded The use of wireless anti static straps is no longer allowed they do not provide adequate protection Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage Handle all static sensitive component...

Страница 10: ...are preferred However you should always return the damaged part using the same ESD bag and packaging that the new part arrived in The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the original box that the new part arrived in ESD sensitive devices should be removed from packaging only at an ESD protected work surface and parts should never be...

Страница 11: ...The following table shows the screw list and the image of the screws Table 1 Screw list Component Screw type Quantity Image Base cover Captive screws 9 M 2 Solid state drive bracket M2x3 1 M 2 Solid state drive conversion bracket M2x3 1 M 2 Solid state drive conversion plate M2x3 2 Hard disk drive module M2X4 5 4 Hard disk drive M3x3 4 WLAN card M2x3 1 WWAN card M2x3 1 System Fan M2x3 2 3 cell bat...

Страница 12: ...6 2 Heatsink assembly Captive screws 7 For systems enabled with discrete graphic card 4 For systems enabled with integrated graphic card Power adapter port M2x3 1 Ethernet port M2x5 2 I O board M2x3 2 System board M2x2 2 Touchpad bracket M2x2 5 3 Touchpad module M2x2 4 WWAN I O board M2x3 2 12 Removing and installing components ...

Страница 13: ...Major components of your system Removing and installing components 13 ...

Страница 14: ...net port 20 Power button board NOTE Dell provides a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options MicroSD card Removing the microSD card Prerequisites 1 Follow the procedure in before working inside your computer...

Страница 15: ... card installation procedure Steps Insert the microSD card into its slot until it clicks into place Next steps 1 Follow the procedure in after working inside your computer SIM card tray Removing the SIM card tray Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card About this task NOTE The following steps are applicable only for 4G LTE enabled syste...

Страница 16: ...from the SIM tray 5 Slide the SIM card tray back into the slot on the computer Installing the SIM card tray Prerequisites If you are replacing a component remove the necessary component before the installation procedure About this task NOTE The following steps are applicable only for 4G LTE enabled systems The following image provides a visual representation of the SIM card tray installation proce...

Страница 17: ...the dedicated slot on the SIM card tray 5 Slide the SIM card tray back into the slot on the computer Next steps 1 Install the microSD card 2 Follow the procedure in after working inside your computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter t...

Страница 18: ...About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure 18 Removing and installing components ...

Страница 19: ...y lift and remove the base cover from the chassis NOTE Be careful of the latches while removing the base cover as the latches may break Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the battery and provide a visual representation of the...

Страница 20: ...ery precautions CAUTION Exercise caution when handling Lithium ion batteries Discharge the battery completely before removing it Disconnect the AC power adapter from the system and operate the computer solely on battery power the battery is fully discharged when the computer no longer turns on when the power button is pressed Do not crush drop mutilate or penetrate the battery with foreign objects...

Страница 21: ... be replaced and disposed properly For guidelines on how to handle and replace swollen Lithium ion batteries see Handling swollen Lithium ion batteries Removing the battery cable Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Remove the base cover About this task The following image indic...

Страница 22: ...r on the battery to lock 3 Route the battery cable through the routing channel in the battery and adhere the adhesive tapes 4 Connect the battery cable to the connector on the system board Next steps 1 Install the base cover 2 Install the SIM card tray for 4G LTE enabled systems 3 Install the microSD card 4 Follow the procedure in after working inside your computer Memory module Removing the memor...

Страница 23: ...odule may vary depending on your system Steps 1 Lift the mylar to uncover the memory module 2 Pry the retention clips securing the memory module slot until the memory module pops up 3 Remove the memory module from the memory module slot Installing the memory module Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Removing and...

Страница 24: ... module slot 2 Align the notch on the memory module with the tab on the memory module slot 3 Slide the memory module firmly into the slot at an angle 4 Press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it Next steps 1 Install the base cover 2 Exit the service mode 3 Install the SIM card tray for 4G LTE enabled systems 4...

Страница 25: ...tate drive and provides a visual representation of the removal procedure Steps 1 Remove the M2x3 screw that secures the solid state drive to the system board 2 Slide and remove the solid state drive from the solid state drive slot on the system board Installing the M 2 2230 solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installa...

Страница 26: ...or 4G LTE enabled systems 4 Install the microSD card 5 Follow the procedure in after working inside your computer Removing the M 2 2280 solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover About this task The following image indic...

Страница 27: ...ate drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure Steps 1 Align the notch on the solid state drive with the tab on the solid state drive slot Removing and installing c...

Страница 28: ...rive conversion bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover 6 Remove the M 2 SSD About this task The following image indicates the location of the M 2 solid state drive conversion bracket and how it can be used to fit solid state d...

Страница 29: ...nstall the M2x3 screw to secure the solid state drive conversion bracket to the solid state drive conversion plate M 2 solid state drive conversion plate Removing the M 2 solid state drive conversion plate Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the ...

Страница 30: ...d remove the solid state drive conversion plate from the solid state drive slot on the system board Installing the M 2 solid state drive conversion plate Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the M 2 solid state drive conversion plate and provides a visu...

Страница 31: ...ter working inside your computer Hard disk drive assembly Removing the hard disk drive assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover About this task The following image indicates the location of the hard disk drive assembly and prov...

Страница 32: ...assembly Removing the hard disk drive bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover 6 Remove the hard disk drive About this task The following image indicates the location of the hard disk drive bracket and provides a visual represen...

Страница 33: ... silver foil and remove the hard disk drive from the hard disk drive bracket Installing the hard disk drive bracket Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the hard disk drive bracket and provides a visual representation of the installation procedure Remov...

Страница 34: ...llow the procedure in after working inside your computer Installing the hard disk drive assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the hard disk drive assembly and provides a visual representation of the installation procedure NOTE The following step...

Страница 35: ... card tray for 4G LTE enabled systems 4 Install the microSD card 5 Follow the procedure in after working inside your computer WLAN card Removing the WLAN card Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover About this task The following image ...

Страница 36: ...from the connectors on the WLAN card 4 Disconnect and remove the WLAN card from the WLAN card slot Installing the WLAN card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the WLAN card and provides a visual representation of the installation procedure 36 Removing...

Страница 37: ...dule of the system board Black cable Aux Solid triangle on the WLAN module of the system board 2 Align the notch on the WLAN card with the tab on the WLAN card slot 3 Slide the WLAN card at an angle into the WLAN card slot 4 Align and place the WLAN card bracket on the WLAN card 5 Install the screw M2x3 to secure the WLAN card bracket on the WLAN card to the system board Next steps 1 Install the b...

Страница 38: ...in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover About this task The following image indicates the location of the WWAN card and provides a visual representation of the removal procedure NOTE The following steps are applicable only for 4G LTE enabled systems 38 Removing and instal...

Страница 39: ... Installing the WWAN card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the WWAN card and provides a visual representation of the installation procedure NOTE The following steps are applicable only for 4G LTE enabled systems Steps 1 Connect the two antenna cable...

Страница 40: ...6 Close the mylar sheet to cover the WWAN card Next steps 1 Install the base cover 2 Exit the service mode 3 Install the SIM card tray for 4G LTE enabled systems 4 Install the microSD card 5 Follow the procedure in after 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 ...

Страница 41: ...ove the system fan from the palmrest assembly Installing the system fan Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the system fan and provides a visual representation of the installation procedure Removing and installing components 41 ...

Страница 42: ...ay for systems enabled with 4G LTE 4 Install the microSD card 5 Follow the procedure in after working inside your computer Battery Removing the 3 cell battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Remove the base cover About this task The following image indicates the location of...

Страница 43: ...hesive tapes and unroute the battery cable from routing channel in the battery 6 Disconnect the battery cable from the connector on the battery Installing the 3 cell battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the battery and provides a visual represen...

Страница 44: ...e tapes 4 Align and place the battery in the slot on the palmrest assembly 5 Install the three M2X3 screws to secure the battery in place 6 Connect the battery cable to the connector on the system board Next steps 1 Install the base cover 2 Install the SIM card tray for 4G LTE enabled systems 3 Install the microSD card 4 Follow the procedure in after working inside your computer 44 Removing and in...

Страница 45: ...n of the battery and provides a visual representation of the removal procedure Steps 1 Disconnect the battery cable from the connector on the system board 2 Remove the four M2X3 screws that secure the battery in place 3 Lift and remove the battery from the palmrest assembly 4 Slide the metal above the connector on the battery to unlock 5 Peel the adhesive tapes and unroute the battery cable from r...

Страница 46: ...n of the battery and provides a visual representation of the installation procedure Steps 1 Connect the battery cable to the connector on the battery 2 Slide the metal above the connector on the battery to lock 3 Route the battery cable through the routing channel in the battery and adhere the adhesive tapes 4 Align and place the battery in the slot on the palmrest assembly 5 Install the four M2X3...

Страница 47: ...ms 3 Enter the service mode 4 Remove the base cover About this task The following image indicates the location of the I O cable and provides a visual representation of the removal procedure Steps 1 Peel the adhesive tape open the latch and disconnect the I O cable from the connector on the system board 2 Peel the adhesive tape and unroute the I O cable from the routing guides in the palmrest assem...

Страница 48: ... O cable in place 2 Connect the I O cable to the connector on the system board adhere the adhesive tape and close the latch 3 Connect the I O cable to the connector on the I O board adhere the adhesive tape and close the latch Next steps 1 Install the base cover 2 Exit the service mode 3 Install the microSD card 4 Install the SIM card tray for 4G LTE enabled systems 5 Follow the procedure in after...

Страница 49: ...5 Remove the base cover 6 Remove the WLAN card 7 Remove the WWAN card for systems enabled with 4G LTE 8 Remove the I O cable About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure Removing and installing components 49 ...

Страница 50: ... Open the latch and disconnect the display cable from the connector on the system board 4 Remove the M2 5x4 and six M2 5x6 screws that secure the display hinges to the system 5 Lift the left and right hinges in upward direction away from the palmrest assembly 6 Lift the palmrest assembly off the display assembly 50 Removing and installing components ...

Страница 51: ...component remove the existing component before performing the installation procedure About this task The following images indicate the location of the display assembly and provide a visual representation of the installation procedure Removing and installing components 51 ...

Страница 52: ...system board and close the latch 5 Route the display cable through the routing guides in the palmrest assembly 6 Affix the adhesive tape to secures the display cable in place Next steps 1 Install the I O cable 2 Install the WWAN card for systems enabled with 4G LTE 3 Install the WLAN card 4 Install the base cover 5 Exit the service mode 6 Install the SIM card tray for 4G LTE enabled systems 7 Inst...

Страница 53: ...abled with 4G LTE 4 Enter the service mode 5 Remove the base cover About this task The following images indicate the location of the heatsink assembly and provide a visual representation of the removal procedure Steps 1 Loosen the seven captive screws in reverse order 7 6 5 4 3 2 1 that secure the heatsink assembly to the system board 2 Lift and remove the heatsink assembly from the system board R...

Страница 54: ...es a visual representation of the installation procedure Steps 1 Align and place the heatsink assembly into the slot on the system board 2 Tighten the seven captive screws in order 1 2 3 4 5 6 7 to secure the heatsink assembly to the system board Next steps 1 Install the base cover 2 Exit the service mode 3 Install the SIM card tray for systems enabled with 4G LTE 4 Install the microSD card 5 Foll...

Страница 55: ...indicate the location of the heatsink assembly and provide a visual representation of the removal procedure Steps 1 Loosen the four captive screws in reverse order 4 3 2 1 that secure the heatsink assembly to the system board 2 Lift and remove the heatsink assembly from the system board Installing the heatsink assembly for computers with integrated graphics card Prerequisites If you are replacing ...

Страница 56: ...the system board Next steps 1 Install the base cover 2 Exit the service mode 3 Install the SIM card tray for systems enabled with 4G LTE 4 Install the microSD card 5 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 2 Remove the microSD card 3 Remove the SIM card ...

Страница 57: ...Disconnect the power adapter port from the connector on the system board 3 Remove the M2x3 screw that secures the power adapter port to the palmrest assembly 4 Lift and remove the power adapter port from the palmrest assembly Installing the power adapter port About this task The following image indicates the location of the power adapter port and provides a visual representation of the removal pro...

Страница 58: ...n after working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover 6 Remove the WWAN card for 4G LTE enabled systems About this task NOTE If the CMOS battery is disconnected fr...

Страница 59: ...sites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE If the CMOS battery is disconnected from system board for service there will be a delay during system boot as the system undergoes RTC battery reset The following image indicates the location of the coin cell battery and provides a visual representation of the inst...

Страница 60: ...ervice mode 4 Install the SIM card tray for 4G LTE enabled systems 5 Install the microSD card 6 Follow the procedure in after working inside your computer USB cable Removing the USB cable Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Remove the base cover 5 Remove the battery 6 Remove th...

Страница 61: ... assembly 3 Open the latch and disconnect the USB cable from the connector on the I O board 4 Lift and remove the USB cable from the palmrest assembly Installing the USB cable Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the USB cable and provides a visual repr...

Страница 62: ...Install the SIM card tray for 4G LTE enabled systems 6 Install the microSD card 7 Follow the procedure in after working inside your computer Ethernet port Removing the ethernet port Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover About this ta...

Страница 63: ...hernet on the I O board 4 Lift and remove the ethernet from the I O board Installing the ethernet port Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the ethernet port and provides a visual representation of the installation procedure Removing and installing comp...

Страница 64: ...ray for 4G LTE enabled systems 4 Install the microSD card 5 Follow the procedure in after working inside your computer I O board Removing the I O board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover 6 Remove the ethernet port About this task ...

Страница 65: ...nectors on the system board 4 Remove the two M2x3 screws that secure the I O board on the palmrest assembly 5 Lift and remove the I O board from the palmrest assembly Installing the I O board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE The following image indicates the location of the I O board and p...

Страница 66: ... I O board close the latch and affix the adhesive tape Next steps 1 Install the ethernet port 2 Install the base cover 3 Exit the service mode 4 Install the SIM card tray for 4G LTE enabled systems 5 Install the microSD card 6 Follow the procedure in after working inside your computer Power button Removing the power button without fingerprint reader Prerequisites 1 Follow the procedure in before w...

Страница 67: ... representation of the removal procedure Steps Lift the power button off the palmrest assembly Installing the power button without fingerprint reader About this task The following image indicates the location of the power button without fingerprint reader and provides a visual representation of the removal procedure Removing and installing components 67 ...

Страница 68: ...llow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Enter the service mode 5 Remove the base cover 6 Remove the I O board 7 Remove the ethernet port About this task The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the removal procedur...

Страница 69: ...ly Next steps 1 Install the ethernet port 2 Install the I O board 3 Install the base cover 4 Exit the service mode 5 Install the SIM card tray for 4G LTE enabled systems 6 Install the microSD card 7 Follow the procedure in after working inside your computer System board Removing the system board for computers with discrete graphics card Prerequisites 1 Follow the procedure in before working inside...

Страница 70: ...s 1 System fan cable connector 2 Display cable connector 3 Power adapter port connector 4 Memory module connector 5 Keyboard backlit LED cable connector 6 Keyboard cable connector 7 Touchpad cable connector 8 Battery cable connector 9 WLAN card connector 10 Hard disk drive cable connector 11 USB cable connector 12 Speaker cable connector 13 I O cable connector 14 M 2 SSD connector 70 Removing and ...

Страница 71: ...The following images indicate the location of the system board and provide a visual representation of the removal procedure Removing and installing components 71 ...

Страница 72: ...he type c bracket in place 8 Lift and remove the type c bracket from the system board 9 Remove the two M2x2 screws that secure the system board in place 10 Lift and remove the system board from the palmrest assembly Installing the system board for computers with discrete graphics card Prerequisites If you are replacing a component remove the existing component before performing the installation pr...

Страница 73: ...The following images indicate the location of the system board and provide a visual representation of the installation procedure Removing and installing components 73 ...

Страница 74: ...rd the palmrest assembly 10 Install the two M2 5x6 and the M2 5x4 screws to secure the hinge to the palmrest assembly Next steps 1 Install the heatsink assembly 2 Install the WLAN card 3 Install the hard disk drive for systems shipped with hard disk drive 4 Install the M 2 SSD 5 Install the memory module 6 Install the battery 7 Install the base cover 8 Install the SIM card tray for 4G LTE enabled ...

Страница 75: ...r 4 Memory module connector 5 Keyboard backlit LED cable connector 6 Keyboard cable connector 7 Touchpad cable connector 8 Battery cable connector 9 WLAN card connector 10 Hard disk drive cable connector 11 USB cable connector 12 Speaker cable connector 13 I O cable connector 14 M 2 SSD connector Removing and installing components 75 ...

Страница 76: ...The following images indicate the location of the system board and provide a visual representation of the removal procedure 76 Removing and installing components ...

Страница 77: ...e type c bracket in place 8 Lift and remove the type c bracket from the system board 9 Remove the two M2x2 screws that secure the system board in place 10 Lift and remove the system board from the palmrest assembly Installing the system board for computers with integrated graphics card Prerequisites If you are replacing a component remove the existing component before performing the installation p...

Страница 78: ...The following images indicate the location of the system board and provide a visual representation of the installation procedure 78 Removing and installing components ...

Страница 79: ...s the hinge in downward direction toward the palmrest assembly 10 Install the two M2 5x6 and the M2 5x4 screws to secure the hinge to the palmrest assembly Next steps 1 Install the heatsink assembly 2 Install the WLAN card 3 Install the hard disk drive for systems shipped with hard disk drive 4 Install the M 2 SSD 5 Install the memory module 6 Install the battery 7 Install the base cover 8 Install...

Страница 80: ... lift and remove the speakers off the palmrest assembly Installing the speaker Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the speakers and provides a visual representation of the installation procedure 80 Removing and installing components ...

Страница 81: ... card tray for 4G LTE enabled systems 4 Install the microSD card 5 Follow the procedure in after working inside your computer Touchpad Removing the touchpad Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Remove the base cover 5 Remove the battery 6 Remove the speakers About this task The ...

Страница 82: ...the touchpad module 5 Remove the four M2x2 screws that secure the touchpad module to the palmrest assembly 6 Lift and remove the touchpad module from the palmrest assembly Installing the touchpad Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the touchpad and pro...

Страница 83: ...nect the touchpad cable to the connector on the system board and close the latch Next steps 1 Install the speakers 2 Install the battery 3 Install the base cover 4 Install the SIM card tray for 4G LTE enabled systems 5 Install the microSD card 6 Follow the procedure in after working inside your computer WWAN I O board Removing the WWAN I O board Prerequisites 1 Follow the procedure in before worki...

Страница 84: ...nect the WWAN cable from the connector on the WWAN I O board 3 Lift and remove the WWAN I O board from the palmrest assembly Installing the WWAN I O board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the WWAN I O board and provides a visual representation of th...

Страница 85: ...ow the procedure in After working on your computer Palmrest assembly Removing the palmrest assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the SIM card tray for 4G LTE enabled systems 4 Remove the base cover 5 Remove the battery 6 Remove the memory module 7 Remove the M 2 SSD 8 Remove the M 2 SSD conversion bracket 9 Remove th...

Страница 86: ... NOTE The system board can be removed along with the heat sink About this task The following images indicate the location of the palmrest assembly Steps After performing the preceding steps you are left with the palmrest assembly Installing the palmrest assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task...

Страница 87: ...em fan 9 Install the display assembly 10 Install the I O board cable 11 Install the WWAN card for systems enabled with 4G LTE 12 Install the WLAN card 13 Install the hard disk drive 14 Install the M 2 SSD conversion plate 15 Install the M 2 SSD conversion bracket 16 Install the M 2 SSD 17 Install the memory module 18 Install the battery 19 Install the base cover 20 Install the SIM card tray for 4G...

Страница 88: ...isplay assembly About this task The following images indicate the location of the display bezel and provide a visual representation of the removal procedure Steps 1 Use a plastic scribe to carefully pry open the top left and right sides of the display bezel CAUTION When prying open the display bezel ensure to pry along the outside edge of the display bezel using your hand or a plastic scribe Using...

Страница 89: ...on procedure Steps Align the display bezel with the display assembly Gently snap the display bezel into place Next steps 1 Install the display assembly 2 Install the I O board cable 3 Install the WWAN card for 4G LTE enabled systems 4 Install the WLAN card 5 Install the base cover 6 Exit the service mode 7 Install the SIM card tray for 4G LTE enabled systems 8 Install the microSD card 9 Follow the...

Страница 90: ...LTE enabled systems 8 Remove the I O board cable 9 Remove the display assembly 10 Remove the display bezel About this task NOTE The display panel is pre assembled with the display brackets as a single service part Do not pull and release the Stretch Release SR Tapes from the display panel and separate the brackets from the display panel The following images indicate the location of the display pan...

Страница 91: ...Removing and installing components 91 ...

Страница 92: ...92 Removing and installing components ...

Страница 93: ... display panel Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE The display panel is pre assembled with the display brackets as a single service part Do not pull and release the Stretch Release SR Tapes from the display panel and separate the brackets from the display panel The following images indicate t...

Страница 94: ...94 Removing and installing components ...

Страница 95: ... brackets in place 4 Gently flip over the display panel Next steps 1 Install the display bezel 2 Install the display assembly 3 Install the I O board cable 4 Install the WWAN card for 4G LTE enabled systems 5 Install the WLAN card 6 Install the base cover 7 Install the SIM card tray for 4G LTE enabled systems 8 Install the microSD card 9 Exit the service mode 10 Follow the procedure in after worki...

Страница 96: ...anel About this task The following image indicates the location of the camera and provides a visual representation of the removal procedure Steps 1 Peel the adhesive that secures the camera cable to the connector on the camera module 2 Disconnect the camera cable from the connector on the camera module 3 Peel the camera cable from the display back cover 4 Carefully pry loose and remove the camera ...

Страница 97: ...play bezel 3 Install the display assembly 4 Install the I O board cable 5 Install the WWAN card for 4G LTE enabled systems 6 Install the WLAN card 7 Install the base cover 8 Exit the service mode 9 Install the SIM card tray for 4G LTE enabled systems 10 Install the microSD card 11 Follow the procedure in after working inside your computer Display cable Removing the display cable Prerequisites 1 Fo...

Страница 98: ... of the removal procedure Steps 1 Disconnect the display cable from the connector on the system board 2 Disconnect the display cable from the connector on the display panel 3 Disconnect the display cable from the connector on the camera module Installing the display cable Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 98 Re...

Страница 99: ...nect the display cable from the connector on the system board Next steps 1 Install the display panel 2 Install the display bezel 3 Install the display assembly 4 Install the I O board cable 5 Install the WWAN card for 4G LTE enabled systems 6 Install the WLAN card 7 Install the base cover 8 Exit the service mode 9 Install the SIM card tray for 4G LTE enabled systems 10 Install the microSD card 11 ...

Страница 100: ...9 Remove the display assembly 10 Remove the display bezel 11 Remove the display panel 12 Remove the camera 13 Remove the display cable About this task The following images indicate the location of the display back cover and provide a visual representation of the removal procedure Steps After performing the preceding steps you are left with the base cover assembly Installing the display back cover ...

Страница 101: ...e display cable 2 Install the camera 3 Install the display panel 4 Install the display bezel 5 Install the display assembly 6 Install the I O board cable 7 Install the WWAN card for 4G LTE enabled systems 8 Install the WLAN card 9 Install the base cover 10 Exit the service mode 11 Install the SIM card tray for 4G LTE enabled systems 12 Install the microSD card 13 Follow the procedure in after work...

Страница 102: ...Drivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell knowledge base article Drivers and Downloads FAQs 3 102 Drivers and downloads ...

Страница 103: ...g or disabling base devices BIOS overview The BIOS manages data flow between the computer s operating system and attached devices such as hard disk video adapter keyboard mouse and printer 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...

Страница 104: ...tem and its installed devices the items that are listed in this section may or may not appear Table 5 System setup options System information menu Overview Latitude 3520 BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the system Asset Tag Displays the Asset Tag of the system Manufacture Date Displays the manufacture date of the system Ownership Date Displays t...

Страница 105: ...formation DIMM SLOT 2 Displays DIMM slot information Devices Information Panel Type Displays the Panel Type of the system Video Controller Displays the video controller type of the system Video Memory Displays the video memory information of the system Wi Fi Device Displays the wireless device information of the system Native Resolution Displays the native resolution of the system Video BIOS Versi...

Страница 106: ...fault the Enable Audio option is enabled By default the Enable Microphone option is enabled By default the Enable Internal Speaker option is enabled USB Configuration Enable or disable booting from USB mass storage devices that are connected to external USB ports By default the Enable External USB Ports option is enabled Enable or disable booting from USB mass storage devices such as external hard...

Страница 107: ...lows you to enable Hard Drive Free Fall Protection feature By default the Enable Hard Drive Free Fall Protection option is selected Enable MediaCard Enable or disable the media card in read only state By default the Secure Digital SD Card option is enabled Table 9 System setup options Display menu Display Display Brightness Brightness on battery power Enable to set screen brightness when the syste...

Страница 108: ...radio Sense the connection of the system to a wired network and subsequently disable the selected wireless radios WWAN By default the option is disabled HTTPs Boot Feature For systems with discrete video card only HTTPs Boot Enable or disable the HTTPs Boot feature By default the HTTPs Boot option is enabled Table 11 System setup options Power menu Power Battery configuration Enables the system to...

Страница 109: ...ns By default the TPM 2 0 Security On option is enabled PPI Bypass for Enable Commands Enables to control TPM Physical Presence Interface PPI By default the PPI Bypass for Enable Commands option is disabled PPI Bypass for Disable Commands Enables to control TPM Physical Presence Interface PPI By default the PPI Bypass for Disable Commands option is disabled Attestation Enable Enables to control wh...

Страница 110: ...r delete the Internal HDD 1 password NVMe SSD0 Set change or delete the NVMe SSD0 password Password Configuration Upper Case Letter Reinforces password must have at least one upper case letter By default the option is enabled Lower Case Letter Reinforces password must have at least one lower case letter By default the option is enabled Digit Reinforces password must have at least one digit By defa...

Страница 111: ...ult the option is enabled SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the event of certain system errors By default the option is enabled BIOSConnect Enable or disable cloud Service operating system recovery if the main operating system fails to boot with the number of failures equal to or greater than the value specified by the Auto operating sy...

Страница 112: ...he 1 minute option is enabled Table 17 System setup options Pre boot Behavior menu Pre boot Behavior Adapter Warnings Enable Adapter Warnings Enable or disable the warning messages during boot when the adapters with less power capacity are detected By default the option is enabled Warning and Errors Enable or disable the action to be done when a warning or error is encountered By default the Promp...

Страница 113: ...able additional processor sleep states By default the option is enabled Enable Adaptive C States for Discrete Graphics Enable or disable usage of Discrete graphics and requires AC adapter due to higher energy consumption By default the option is enabled Intel TurbocBoost Technology Enable Intel Turbo Boost Technology Enable or disable Intel TurboBoost mode of the processor By default the option is...

Страница 114: ...n screen instructions For more information see knowledge base article 000124211 at www dell com support Updating the BIOS in Linux and Ubuntu To update the system BIOS on a computer that is installed with Linux or Ubuntu see the knowledge base article 000131486 at www dell com support Updating the BIOS using the USB drive in Windows About this task CAUTION If BitLocker is not suspended before upda...

Страница 115: ...pdate your BIOS from the F12 One Time boot menu you need the following USB drive formatted to the FAT32 file system key does not have to be bootable BIOS executable file that you downloaded from the Dell Support website and copied to the root of 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 ...

Страница 116: ...d click OK 4 Press Esc and a message prompt s you to save the changes 5 Press Y to save the changes The computer restarts Deleting or changing an existing system setup password Prerequisites Ensure that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and or Setup password You cannot delete or change an existing System or Setup password ...

Страница 117: ...one minute 5 Replace the coin cell battery 6 Connect the battery cable to the system board 7 Replace the base cover Clearing BIOS System Setup and System passwords About this task To clear the system or BIOS passwords contact Dell technical support as described at www dell com contactdell NOTE For information on how to reset Windows or application passwords refer to the documentation accompanying ...

Страница 118: ...he 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 warranty should be returned to D...

Страница 119: ... 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 Built in self test BIST M BIST M BIST Built In Self Test is the system board s built in self test diagnostics tool that improves the diagnostics accuracy of system board embedded controller EC failures NOTE M BIST...

Страница 120: ...ncing is an inherent problem with the LCD screen of the Dell laptop or with the video card GPU and PC settings When you notice screen abnormalities like flickering distortion clarity issues fuzzy or blurry image horizontal or vertical lines color fade etc it is always a good practice to isolate the LCD screen by running the Built In Self Test BIST How to invoke LCD BIST Test 1 Power off the Dell l...

Страница 121: ...ts replace the memory module 2 4 Memory RAM failure Reset and swap memory modules among the slots If problem persists replace the memory module 2 5 Invalid memory installed Reset and swap memory modules among the slots If problem persists replace the memory module 2 6 System board Chipset Error Replace the system board 2 7 LCD failure SBIOS message Replace the LCD module 2 8 LCD failure EC detecti...

Страница 122: ...tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system It enables you to diagnose hardware issues repair your computer back up your files or restore your computer to its factory state You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to softw...

Страница 123: ...tery is removed For your safety and to protect the sensitive electronic components in your computer you are requested to drain residual flea power before removing or replacing any components in your computer Draining residual flea power also known as a performing a hard reset is also a common troubleshooting step if your computer does not power on or boot into the operating system To drain residua...

Страница 124: ...r 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 the keyword t...

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