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Dell P114G, Service Manual

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Dell P114G Service Manual Download Page 24

WLAN card

Removing the WLAN card

1. Follow the procedure in 

Before working inside your computer

.

2. Remove the 

base cover

.

3. Remove the 

battery

.

The following image indicates the location of WLAN card and provides a visual representation of the removal procedure.

1. Remove the screw (M2x2.5) that secures the WLAN-card bracket to the WLAN card and lift the WLAN-card bracket off the

WLAN card.

2. Disconnect the antenna cables from the WLAN card.
3. Slide and remove the WLAN card from the WLAN-card slot.

Installing the WLAN card

If you are replacing a component, remove the existing component before performing the installation procedure.

The following image indicates the location of WLAN card and provides a visual representation of the installation procedure.

24

Removing and installing components

Summary of Contents for P114G

Page 1: ...Dell Vostro 5390 Service Manual Regulatory Model P114G Regulatory Type P114G001 September 2021 Rev A01 ...

Page 2: ...tial damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2019 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 ...

Page 3: ...he battery 14 Coin cell battery 15 Removing the coin cell battery 15 Installing the coin cell battery 15 Solid state drive 16 Removing the M 2 2280 solid state drive 16 Installing the M 2 2280 solid state drive 17 Removing the M 2 2230 solid state drive 18 Installing the M 2 2230 solid state drive 18 Heat sink 19 Removing the heat sink 19 Installing the heat sink 19 Fan 20 Removing the fan 20 Inst...

Page 4: ...stem board 31 Display bezel 32 Removing the display bezel 32 Installing the display bezel 32 Display panel 33 Removing the display panel 33 Installing the display panel 33 Display hinges 33 Removing the display hinges 33 Installing the display hinges 34 Camera 34 Removing the camera 34 Installing the camera 34 Display back cover 35 Removing the display back cover 35 Installing the display back cov...

Page 5: ...rd 49 Deleting or changing an existing system setup password 49 Clearing CMOS settings 49 Clearing BIOS System Setup and System passwords 50 Chapter 5 Troubleshooting 51 Handling swollen Lithium ion batteries 51 Dell SupportAssist Pre boot System Performance Check diagnostics 52 Running the SupportAssist Pre Boot System Performance Check 52 Built in self test BIST 52 M BIST 52 LCD Power rail test ...

Page 6: ...rap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a cable pull on its conn...

Page 7: ... computer depending on the configuration you ordered After working inside your computer CAUTION Leaving stray or loose screws inside your computer may severely damage your computer 1 Replace all screws 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 ot...

Page 8: ...ompared to DDR3 which requires 1 5 volts of electrical power to operate DDR4 also supports a new deep power down mode that allows the host device to go into standby without needing to refresh its memory Deep power down mode is expected to reduce standby power consumption by 40 to 50 percent DDR4 Details There are subtle differences between DDR3 and DDR4 memory modules as listed below Key notch dif...

Page 9: ...igital audio and or video monitor such as a digital TV DTV The intended applications for HDMI TVs and DVD players The primary advantage is cable reduction and content protection provisions HDMI supports standard enhanced or high definition video plus multichannel digital audio on a single cable NOTE The HDMI 1 4 will provide 5 1 channel audio support HDMI 1 4 Features HDMI Ethernet Channel Adds hi...

Page 10: ... peripheral devices like mice keyboards external drivers and printers Let s take a quick look on the USB evolution referencing to the table below Table 1 USB evolution Type Data Transfer Rate Category Introduction Year USB 2 0 480 Mbps High Speed 2000 USB 3 0 USB 3 1 Gen 1 5 Gbps Super Speed 2010 USB 3 1 Gen 2 10 Gbps Super Speed 2013 USB 3 0 USB 3 1 Gen 1 SuperSpeed USB For years the USB 2 0 has ...

Page 11: ...eed USB 3 0 USB 3 1 Gen 1 is a 10x improvement over USB 2 0 Applications USB 3 0 USB 3 1 Gen 1 opens up the laneways and provides more headroom for devices to deliver a better overall experience Where USB video was barely tolerable previously both from a maximum resolution latency and video compression perspective it s easy to imagine that with 5 10 times the bandwidth available USB video solution...

Page 12: ...3 0 USB 3 1 Gen 1 cables and only come into contact when connected to a proper SuperSpeed USB connection Windows 10 will be bringing native support for USB 3 1 Gen 1 controllers This is in contrast to previous versions of Windows which continue to require separate drivers for USB 3 0 USB 3 1 Gen 1 controllers 12 Technology and components ...

Page 13: ...ssembly I O board Power button board Power button with fingerprint reader System board Display bezel Display panel Display hinges Camera Display back cover Display cable Palm rest and keyboard assembly Recommended tools The procedures in this document may require the following tools Phillips 0 screwdriver Phillips 1 screwdriver Plastic scribe Recommended for field technician Screw list The table p...

Page 14: ...assembly 1 Follow the procedure in After working inside your computer Battery Removing the battery 1 Follow the procedure in Before working inside your computer 2 Remove the base cover The following image indicates the location of the battery and provides a visual representation of the removal procedure 1 Disconnect the battery cable from the system board 2 Remove the screws M2x2 that secure the b...

Page 15: ...n of the coin cell battery and provides a visual representation of the removal procedure 1 Disconnect the coin cell battery cable from the system board 2 Remove the coin cell battery cable from the routing guide 3 Peel the coin cell battery off the palm rest and keyboard assembly Installing the coin cell battery If you are replacing a component remove the existing component before performing the i...

Page 16: ...ery 2 Install the base cover 3 Follow the procedure in After working inside your computer Solid state drive Removing the M 2 2280 solid state drive 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery The following image indicates the location of the solid state drive and provides a visual representation of the removal procedure 16 Removing and...

Page 17: ...cing a component remove the existing component before performing the installation procedure The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure 1 Align the notch on the solid state drive with the tab on the solid state drive slot and slide the solid state drive into the solid state drive slot on the system board Rem...

Page 18: ...sentation of the removal procedure 1 Remove the screw M2x2 5 that secures the solid state drive bracket to the system board 2 Slide and remove the solid state drive bracket off the solid state drive on the system board 3 Slide and remove the solid state drive off the solid state drive slot on the system board Installing the M 2 2230 solid state drive If you are replacing a component remove the exi...

Page 19: ...resentation of the removal procedure 1 Peel the mylar tape that secures the heat sink to the system board 2 In the reverse sequential order 7 6 5 4 3 2 1 loosen the seven captive screws that secure the heat sink to the system board 3 Lift the heat sink off the system board Installing the heat sink If you are replacing a component remove the existing component before performing the installation pro...

Page 20: ...ovides a visual representation of the removal procedure 1 Disconnect the I O board cable from the system board and I O board NOTE This step is only applicable for computers shipped with a WWAN configuration 2 Remove the two M2x3 screws that secure the fan to the system board 3 Lift the fan slightly off the palm rest and keyboard assembly 4 Disconnect the fan cable from the system board and complet...

Page 21: ... board 2 Align the screw holes on the fan with the screw holes on the palm rest and keyboard assembly 3 Replace the two M2x3 screws that secure the fan to the palm rest and keyboard assembly 4 Connect the I O board cable to the system board and I O board NOTE This step is only applicable for computers shipped with a WWAN configuration 1 Install the battery 2 Install the base cover 3 Follow the pro...

Page 22: ...hpad cable from the system board 2 Disconnect the speaker cable from the system board 3 Peel the tapes that secure the speaker cable to the palm rest and keyboard assembly 4 Note the routing of the speaker cable and remove the speaker cable from the routing guides on the palm rest and keyboard assembly NOTE Note the position of the rubber grommets before lifting the speakers 5 Lift the speakers al...

Page 23: ...ers in the slots on the palm rest and keyboard assembly 2 Route the speaker cable through the routing guides on the palm rest and keyboard assembly 3 Adhere the tapes that secure the speaker cable to the palm rest and keyboard assembly 4 Connect the speaker cable to the system board 5 Connect the touchpad cable to the system board and close the latch to secure the cable 1 Install the battery 2 Ins...

Page 24: ...ures the WLAN card bracket to the WLAN card and lift the WLAN card bracket off the WLAN card 2 Disconnect the antenna cables from the WLAN card 3 Slide and remove the WLAN card from the WLAN card slot Installing the WLAN card If you are replacing a component remove the existing component before performing the installation procedure The following image indicates the location of WLAN card and provid...

Page 25: ... WLAN card 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer WWAN card Removing the WWAN card NOTE This procedure is only applicable for computers shipped with a WWAN configuration 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery The following image indicates the location of WWAN car...

Page 26: ...remove the WWAN card from the WWAN card slot Installing the WWAN card NOTE This procedure is only applicable for computers shipped with a WWAN configuration If you are replacing a component remove the existing component before performing the installation procedure The following image indicates the location of WWAN card and provides a visual representation of the installation procedure 26 Removing ...

Page 27: ...xisting component before performing the installation procedure The following image indicates the location of touchpad and provides a visual representation of the installation procedure 1 Align and place the touchpad into the slot on the palm rest and keyboard assembly 2 Replace the two M1 6x2 screws that secure the touchpad to the palm rest and keyboard assembly 3 Align and place the touchpad brac...

Page 28: ...g component before performing the installation procedure The following image indicates the location of display assembly and provides a visual representation of the installation procedure 1 Align and place the palm rest and keyboard assembly on the display assembly 2 Using the alignment posts close the display hinges 1 Install the battery 2 Install the base cover 3 Follow the procedure in After wor...

Page 29: ... the I O board 6 Using the alignment posts close the display hinges 1 Install the fan 2 Install the battery 3 Install the base cover 4 Follow the procedure in After working inside your computer Power button board Removing the power button board 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the fan 6 Remove...

Page 30: ...place the screw M1 6x2 that secures the power button bracket to the palm rest and keyboard assembly 1 Install the I O board 2 Install the fan 3 Install the WLAN card 4 Install the battery 5 Install the base cover 6 Follow the procedure in After working inside your computer Power button with fingerprint reader Removing the power button with fingerprint reader NOTE This procedure is only applicable ...

Page 31: ...the heat sink The following image indicates the location of system board and provides a visual representation of the removal procedure 1 Peel the tape that secures the I O board cable to the system board 2 Open the latch and disconnect the I O board cable from the system board 3 Disconnect the speaker cable from the system board 4 Open the latch and disconnect the fingerprint reader cable from the...

Page 32: ...tall the WLAN card 6 Install the M 2 2280 solid state drive or M 2 2230 solid state drive whichever applicable 7 Install the battery 8 Install the base cover 9 Follow the procedure in After working inside your computer Display bezel Removing the display bezel 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove t...

Page 33: ...rming the installation procedure The following image indicates the location of display panel and provides a visual representation of the installation procedure 1 Peel off the transparent protective films from the SR tapes 2 Align and adhere both the SR tapes to the plastic edge of the display back cover 3 Peel off the blue protective films from the SR tapes 4 Starting from the top align and place ...

Page 34: ...base cover 6 Follow the procedure in After working inside your computer Camera Removing the camera 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the display assembly 6 Remove the display bezel 7 Remove the display panel The following image indicates the location of camera and provides a visual representati...

Page 35: ...ollowing image indicates the display back cover and provides a visual representation of the installation procedure Place the display back cover on a flat surface 1 Install the camera 2 Install the display cable 3 Install the display panel 4 Install the display hinges 5 Install the display bezel 6 Install the display assembly 7 Install the WLAN card 8 Install the battery 9 Install the base cover 10...

Page 36: ... computer Palm rest and keyboard assembly Removing the palm rest and keyboard assembly 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the speakers 6 Remove the system board 7 Remove the display assembly 8 Remove the power button with fingerprint reader or power button board whichever applicable 9 Remove the...

Page 37: ...ion procedure Place the palm rest and keyboard assembly on a flat surface 1 Install the touchpad 2 Install the power adapter port 3 Install the power button with fingerprint reader or power button board whichever applicable 4 Install the display assembly 5 Install the system board 6 Install the speakers 7 Install the WLAN card 8 Install the battery 9 Install the base cover 10 Follow the procedure ...

Page 38: ...ive installed and enabling or disabling base devices Topics BIOS overview Entering BIOS setup program Navigation keys One time boot menu System setup options Updating the BIOS System and setup password Clearing CMOS settings Clearing BIOS System Setup and System passwords BIOS overview The BIOS manages data flow between the computer s operating system and attached devices such as hard disk video a...

Page 39: ...stics The boot sequence screen also displays the option to access the System Setup screen System setup options NOTE Depending on the laptop and its installed devices the items listed in this section may or may not appear General options Table 3 General Option Description System Information Displays the following information System Information Displays BIOS Version Service Tag Asset Tag Ownership T...

Page 40: ... PXE The internal LAN is enabled with PXE boot selected by default SATA Operation Allows you to configure the operating mode of the integrated hard drive controller Disabled The SATA controllers are hidden AHCI SATA is configured for AHCI mode RAID ON SATA is configured to support RAID mode selected by default Drives Allows you to enable or disable the various drives on board SATA 0 enabled by def...

Page 41: ...the password prompts on Restarts warm boots NOTE The system will always prompt for the system and internal HDD passwords when powered on from the off state a cold boot Also the system will always prompt for passwords on any module bay HDDs that may be present Password Change This option lets you determine whether changes to the System and Hard Disk passwords are permitted when an administrator pas...

Page 42: ...This option is not set by default Secure boot Table 6 Secure Boot Option Description Secure Boot Enable Allows you to enable or disable Secure Boot feature Secure Boot Enable This option is selected by default Secure Boot Mode Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures Deployed Mode default Audit Mode Expert key Management Allows y...

Page 43: ...ti Core Support This field specifies whether the process has one or all cores enabled The performance of some applications improves with the additional cores All Default 1 Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of processor Enable Intel SpeedStep This option is set by default C States Control Allows you to enable or disable the additional processor sleep states C ...

Page 44: ...ion during the peak power times of day After you enable this option your system runs only in battery even if the AC is attached Enable peak shift is disabled Set battery threshold 15 to 100 15 enabled by default Advanced Battery Charge Configuration This option enables you to maximize the battery health By enabling this option your system uses the standard charging algorithm and other techniques d...

Page 45: ...ault Continue on warnings Continue on warnings and errors Sign of Life Indication Enable Sign of Life Keyboard Backlight Indication enabled by default Virtualization support Option Description Virtualization This field specifies whether a virtual Machine Monitor VMM can utilize the conditional hardware capabilities provided by Intel Virtualization Technology Enable Intel Virtualization Technology ...

Page 46: ... boot is not enabled by default The following is list of devices affected Internal SATA HDD SSD Internal M 2 SATA SDD Internal M 2 PCIe SSD Internal eMMC BIOS Recovery This field allows you to recover from certain corrupted BIOS conditions from a recover file on the user primary hard drive or an external USB key BIOS Recovery from Hard Drive enabled by default Always perform integrity check disabl...

Page 47: ...on 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 CAUTION If BitLocker is not suspended before updating the BIOS t...

Page 48: ...ile 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 BIOS update flash process from the F12 menu CAUTION Do not turn off the computer during the BIOS update p...

Page 49: ... System and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked To enter the System Setup press F12 immediately after a power on or reboot 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 Status is Unlocked 3 ...

Page 50: ...ar 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 Windows or your application 50 BIOS setup ...

Page 51: ...ystem To discharge the battery unplug the AC adapter from the system and operate the system only on battery power When the system will no longer power on when the power button is pressed the battery is fully discharged Do not crush drop mutilate or penetrate the battery with foreign objects Do not expose the battery to high temperatures or disassemble battery packs and cells Do not apply pressure ...

Page 52: ...s 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 I...

Page 53: ... For cases when a 2 8 error code is shown replace the system board LCD Built in Self Test BIST Dell laptops have a built in diagnostic tool that helps you determine if the screen abnormality you are experiencing 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 fuzz...

Page 54: ...vice 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 11 Diagnostic light LED codes Diagnostic light codes Amber White Problem description 2 1 Processor failure 2 2 System board BIOS or ROM Read Only Mem...

Page 55: ...ws Backup Media and Recovery Options WiFi power cycle If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed 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 1 Turn off your computer 2 Turn off the modem 3 Turn ...

Page 56: ...9 Turn on your computer NOTE For more information about performing a hard reset see the knowledge base article 000130881 at www dell com support 56 Troubleshooting ...

Page 57: ...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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