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Dell P90F Service Manual Download Page 57

5. Lift and remove the display bezel from the display assembly

NOTE:

CAUTION: DO NOT use a scribe or any other objects to pry up the display bezel in the manners shown in the

images below as the pressure applied on the display panel by the scribe will damage the display panel.

Disassembly and reassembly

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Summary of Contents for P90F

Page 1: ...Vostro 3500 Service Manual Regulatory Model P90F Regulatory Type P90F005 P90F006 November 2020 Rev A00 ...

Page 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 2020 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...ng the base cover 19 Installing the base cover 21 Battery 23 Lithium ion battery precautions 23 Disconnecting the battery 23 Reconnecting the battery 24 Removing the battery 25 Installing the battery 26 Memory modules 28 Removing the memory module 28 Installing the memory module 28 WLAN card 29 Removing the WLAN card 29 Installing the WLAN card 30 Solid state drive 32 Removing the M 2 2230 Solid s...

Page 4: ... 54 Installing the display bezel 58 Display panel 58 Removing the display panel 58 Installation display panel 61 Camera 63 Removing the camera 63 Installing the camera 64 Display back cover and antenna assembly 65 Removing the display back cover 65 Installing the display back cover 65 Power button 66 Removing the power button 66 Installing the power button 67 System board 68 Removing the system bo...

Page 5: ...Chapter 6 Getting help 79 Contacting Dell 79 Contents 5 ...

Page 6: ...by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or co...

Page 7: ... the use of a field service electrostatic discharge ESD kit When connecting a bonding wire ensure that it is connected to bare metal and never to a painted or non metal surface The wrist strap should be secure and in full contact with your skin and ensure that you remove all jewelry such as watches bracelets or rings prior to bonding yourself and the equipment Electrostatic discharge ESD protectio...

Page 8: ... recommended to test the wrist strap and bonding wire at least once per week ESD Wrist Strap Tester The wires inside of an ESD strap are prone to damage over time When using an unmonitored kit it is a best practice to regularly test the strap prior to each service call and at a minimum test once per week A wrist strap tester is the best method for doing this test If you do not have your own wrist ...

Page 9: ...ng sensitive components After working inside your computer About this task NOTE Leaving stray or loose screws inside your computer may severely damage your computer Steps 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 other parts ...

Page 10: ...us power and increased device current draw to better accommodate power hungry devices New power management features Full duplex data transfers and support for new transfer types Backward USB 2 0 compatibility New connectors and cable The topics below cover some of the most commonly asked questions regarding USB 3 2 Gen 1 Speed Currently there are 3 speed modes that are defined by the latest USB 3 ...

Page 11: ...should work that much better Single link DVI requires almost 2Gbps throughput Where 480Mbps was limiting 5Gbps is more than promising With its promised 4 8Gbps speed the standard will find its way into some products that previously weren t USB territory like external RAID storage systems Listed below are some of the available Super Speed USB 3 2 Gen 1 products External Desktop USB 3 2 Gen 1 Hard D...

Page 12: ... LED is off Power On and LED behavior with Fingerprint reader Pressing the power button for a duration between 50 msec to 2 sec turns on the device Power button does not register additional presses until the SOL Sign Of Life has been provided to the user System LED s illuminates upon pressing the power button All the available LED s Keyboard backlit Keyboard caps lock LED Battery Charge LED illumi...

Page 13: ...harging When the charge is complete the LED turns off If the computer is running on a battery the battery light operates as follows 1 Off the battery is adequately charged or the computer is turned off 2 Solid amber the battery charge is critically low A low battery state is approximately 30 minutes or less of battery life remaining Camera LED White LED activates when camera is on Mic Mute LED Whe...

Page 14: ... plus multichannel digital audio on a single cable Advantages of HDMI Quality HDMI transfers uncompressed digital audio and video for the highest crispest image quality Low cost HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a simple cost effective manner Audio HDMI supports multiple audio formats from standard stereo to multi...

Page 15: ...Exploded View 1 Base cover 2 Battery 3 DC in Port 4 Solid State Drive bracket 5 Solid State Drive 6 WLAN Card 7 System Board 8 Memory modules 3 Exploded View 15 ...

Page 16: ...6 HDD Assembly 17 Heatsink assembly 18 Fan Assembly 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 16 Exploded View ...

Page 17: ...te drive Hard drive Coin cell battery System fan Heat sink Speakers IO board Touchpad Display assembly Display bezel Display panel Camera Display back cover and antenna assembly Power button System board Power adapter port Palm rest and keyboard assembly Secure Digital Card Removing the Secure Digital card Prerequisites 1 Follow the procedure in Before working inside your computer 4 Disassembly an...

Page 18: ...se it from the computer 2 Slide the secure digital card out of the computer Installing the Secure Digital card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 18 Disassembly and reassembly ...

Page 19: ... until it clicks into place Next steps 1 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 SD card Disassembly and reassembly 19 ...

Page 20: ...About this task Steps 1 Remove the seven M2 5x6 screws and loosen the two captive screws from the base cover 20 Disassembly and reassembly ...

Page 21: ...T pry up from the edge near the vents at the top side of the base cover as this may damage the base cover 3 Lift up the top side of the base cover and remove it from the system Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Disassembly and reassembly 21 ...

Page 22: ...About this task Steps 1 Align and place the base cover on the computer press the edges and sides of the base cover until it snaps into place 22 Disassembly and reassembly ...

Page 23: ...ot apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prevent accidental puncture or damage to the battery and other system components If the battery gets stuck inside your computer as a result of swelling do not try to release it as pu...

Page 24: ...tery connector 2 Disconnect the battery cable from the connector on the system board Reconnecting the battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 24 Disassembly and reassembly ...

Page 25: ...g the battery connector Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in after working inside your computer Removing the battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover Disassembly and reassembly 25 ...

Page 26: ...secure the battery to the palmrest 2 Lift and move the battery away from the computer Installing the battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 26 Disassembly and reassembly ...

Page 27: ...n the bottom side of the palm rest 2 Replace the three M2x3 screws that secure the battery to the palmrest 3 Reconnect the battery cable to the connector on the system board NOTE When installing the battery into the system insert the tab at the bottom left corner of the battery into the hook on the bottom side of the palm rest Next steps 1 Install the base cover 2 Install the SD card Disassembly a...

Page 28: ...D card 3 Remove the base cover 4 Disconnect the battery cable About this task Steps 1 Pry the clips securing the memory module until the memory module pops up 2 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 28 Disassembly and reassembly ...

Page 29: ...ou do not hear the click remove the memory module and reinstall it Next steps 1 Connect the battery cable 2 Install the base cover 3 Install the SD card 4 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 SD card 3 Remove the base cover 4 Disconnect the battery cable D...

Page 30: ...that secures the WLAN antenna cables 3 Disconnect the WLAN antenna cables from the connectors on the WLAN card 4 Pull out the WLAN card from the M 2 port on the system board Installing the WLAN card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 30 Disassembly and reassembly ...

Page 31: ...ator on WLAN White White triangle Black Black triangle 3 Place the WLAN card bracket to secure the WLAN antenna cables to the WLAN card 4 Replace the single M2x3 screw to secure the WLAN bracket and the WLAN card to the palmrest Next steps 1 Connect the battery cable 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Disassembly and reassemb...

Page 32: ...and loosen the single captive screw securing the SSD thermal plate to the palmrest to lift it out of the system 2 Turn the thermal plate over and remove the single M2x2 screw securing the M 2 2230 SSD to the thermal plate 3 Lift the solid state drive off the thermal plate Installing the M 2 2230 Solid state drive Prerequisites If you are replacing a component remove the existing component before p...

Page 33: ... the single captive screw to secures the thermal plate to the palmrest Next steps 1 Connect the battery cable 2 Install the base cover 3 Install the SD card 4 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 SD card 3 Remove the base cover 4 Disconnect the batt...

Page 34: ...the bracket out of the system 2 Lift the solid state drive from the M 2 slot on the system board and remove it from the system Installing the M 2 2280 Solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 34 Disassembly and reassembly ...

Page 35: ...screw to secure the thermal plate to the palmrest Next steps 1 Connect the battery cable 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Hard drive Removing the hard drive assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the battery Disassembly and r...

Page 36: ...d lift the hard drive assembly along with its cable from the system 3 Disconnect the interposer from the hard drive 4 Remove the four M3x3 screws from the hard drive bracket to free the hard drive Installing the hard drive assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 36 Disassembly and reassembly ...

Page 37: ...drive assembly on the palmrest then replace the three M2x3 screws to secure the hard drive assembly to the palmrest 4 Connect the hard drive cable to the system board and close the latch to secure the cable Next steps 1 Install the battery 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Disassembly and reassembly 37 ...

Page 38: ... card 3 Remove the base cover 4 Disconnect the battery cable 5 Remove the IO board NOTE The Coin cell is installed on the IO board About this task Steps 1 Use a plastic scribe to pry up the coin cell battery from the slot on the IO daughter board 2 Remove the coin cell battery from the IO daughter board 38 Disassembly and reassembly ...

Page 39: ...into place Next steps 1 Install the IO board 2 Connect the battery cable 3 Install the base cover 4 Install the SD 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 SD card 3 Remove the base cover 4 Disconnect the battery cable Disassembly and reassembly 39 ...

Page 40: ...r on the system board 2 Remove the two screws M2 5x5 that secures the fan to the palmrest Installing the system fan Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 40 Disassembly and reassembly ...

Page 41: ...e system board Next steps 1 Reconnect the battery cable 2 Replace the base cover 3 Replace the SD card 4 Follow the procedure in after working inside your computer Heat sink Removing the Heatsink UMA Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Disconnect the battery cable Disassembly and reassembly 41 ...

Page 42: ... secure the heatsink to the system board 2 Lift the heatsink off the system board Installing the Heatsink UMA Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 42 Disassembly and reassembly ...

Page 43: ... the heatsink to the system board Next steps 1 Reconnect the battery cable 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Removing the Heatsink Discrete Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Disconnect the battery cable Disassembly and reassembly 43 ...

Page 44: ...x3 screws that secure the heatsink to the system board 2 Lift the heatsink off the system board Installing the Heatsink Discrete Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 44 Disassembly and reassembly ...

Page 45: ...o secure the heatsink to the system board Next steps 1 Reconnect the battery cable 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Disconnect the battery cable 5 Remove the SSD Disassemb...

Page 46: ...the speakers along with the cable off the system Installing the speakers Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE If the rubber grommets are pushed out when removing the speakers push them back in before replacing the speakers 46 Disassembly and reassembly ...

Page 47: ...connector on the system board Next steps 1 Install the SSD 2 Reconnect the battery cable 3 Install the base cover 4 Install the SD card 5 Follow the procedure in after working inside your computer IO board Removing the IO board Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Disconnect the battery cable Disassembly and reas...

Page 48: ...and display cable from the system board 3 Peel back the power button FFC and IO daughter board FFC from the palm rest 4 Remove the three M2x4 screws that secure the IO board to the palmrest and remove the IO board from the system 5 Disconnect and remove the power button FFC and IO daughter board FFC from the IO daughter board Installing the IO board Prerequisites If you are replacing a component r...

Page 49: ...ter board FFC and display cable to the connectors on the system board 5 For models shipped with a fingerprint reader Reconnect the fingerprint reader to IO daughter FFC and IO daughter board to system board FFC from the IO daughter board Next steps 1 Connect the battery cable 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Touchpad Removi...

Page 50: ... Remove the touchpad bracket from the system 5 Remove the two M2x2 screws securing the touchpad module in place 6 Remove the touchpad module with touchpad FFC from the system 7 Disconnect the touchpad FFC from the touchpad module Installing the touch pad assembly About this task NOTE Ensure that the touch pad is aligned with the guides available on the palm rest and keyboard assembly and the gap o...

Page 51: ...back the conductive tape over the touchpad module 6 Reconnect the touchpad FFC to the system board Next steps 1 Install the battery 2 Install the base cover 3 Install the SD card 4 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 2 Remove the SD card 3 Remove the bas...

Page 52: ...About this task 52 Disassembly and reassembly ...

Page 53: ...e and the display assembly is over the edge 4 Remove the six M2 5x6 screws securing the display assembly in place 5 Remove the display assembly from the system Installing the display assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE Ensure that the hinges are opened to the maximum before replacing...

Page 54: ...lmrest 4 Reconnect the display cable to the connector on the system board Next steps 1 Install the WLAN 2 Install the base cover 3 Install the SD card 4 Follow the procedure in after working inside your computer Display bezel Removing the display bezel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the battery cable...

Page 55: ...s 1 Pry open the display bezel from the inner edge at the left and right sides of the display assembly 2 Pry open the display bezel from the inner edge at the top side of the display assembly Disassembly and reassembly 55 ...

Page 56: ...3 Pry open the hinge caps at the bottom side of the display assembly 4 Pry open the display bezel from the inner edge at the bottom side of the display assembly 56 Disassembly and reassembly ...

Page 57: ...y assembly NOTE CAUTION DO NOT use a scribe or any other objects to pry up the display bezel in the manners shown in the images below as the pressure applied on the display panel by the scribe will damage the display panel Disassembly and reassembly 57 ...

Page 58: ...en gently snap the display bezel into place Next steps 1 Install the display assembly 2 Reconnect the battery cable 3 Install the base cover 4 Install the SD card 5 Follow the procedure in after working inside your computer Display panel Removing the display panel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the b...

Page 59: ...6 Remove the display assembly 7 Remove the display bezel Disassembly and reassembly 59 ...

Page 60: ...About this task 60 Disassembly and reassembly ...

Page 61: ...el NOTE Ensure the panel has a clean and smooth surface to rest on to prevent damage 3 Disconnect the display cable from the display panel assembly and lift the display panel away from the system NOTE Do not remove the metal brackets from the panel Installation display panel Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Di...

Page 62: ...About this task 62 Disassembly and reassembly ...

Page 63: ... the display panel to the display back cover Next steps 1 Install the display bezel 2 Install the display assembly 3 Install the WLAN 4 Install the battery 5 Install the base cover 6 Install the SD card 7 Follow the procedure in after working inside your computer Camera Removing the camera Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the...

Page 64: ... installation procedure About this task Steps 1 Using the alignment post adhere the camera module on the display back cover and antenna assembly 2 Connect the camera cable to the camera module Next steps 1 Install the display panel 2 Install the display bezel 3 Install the display assembly 4 Install the WLAN 5 Connect the battery cable 6 Install the base cover 7 Install the SD card 8 Follow the pr...

Page 65: ...ver 4 Disconnect the battery cable 5 Remove the WLAN 6 Remove the display assembly 7 Remove the display bezel 8 Remove the display panel 9 Remove the camera About this task After performing all the preceding steps you are left with the display back cover Installing the display back cover About this task Place the display back cover on a clean and flat surface Disassembly and reassembly 65 ...

Page 66: ...ry cable 7 Install the base cover 8 Install the SD card 9 Follow the procedure in after working inside your computer Power button Removing the power button Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Disconnect the battery cable 5 Remove the IO board 66 Disassembly and reassembly ...

Page 67: ...n to the palmrest 2 Disconnect the power button cable and remove the power button from the system Installing the power button Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Disassembly and reassembly 67 ...

Page 68: ...to the slot on the palmrest 2 Install the two M2x3 screws to secure the power button to the palmrest 3 Connect the power button cable to the connector on the system board Next steps 1 Install the IO board 2 Connect the battery cable 3 Install the base cover 4 Install the SD card 5 Follow the procedure in after working inside your computer System board Removing the system board Prerequisites 1 Foll...

Page 69: ... system fan 10 Remove the heatsink NOTE The system board can be removed along with the heat sink 11 Remove the display assembly About this task Steps 1 Disconnect the following cables from the system board a Speaker cable b Keyboard FFC Disassembly and reassembly 69 ...

Page 70: ... FFC from the system board 2 Remove the single M2x4 screw that secures the system board to the palmrest 3 Carefully lift the system board away from the chassis Installing the system board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 70 Disassembly and reassembly ...

Page 71: ...ce the single M2x4 screw that secures the system board to the palmrest 3 Connect the following cables to the system board a Speaker cable b Keyboard FFC c Keyboard backlight FFC d Touchpad FFC e Hard drive FFC f IO board FFC g Power adapter port cable Disassembly and reassembly 71 ...

Page 72: ...tery 8 Install the base cover 9 Install the SD card 10 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 SD card 3 Remove the base cover 4 Disconnect the battery cable 5 Remove the WLAN 6 Remove the SSD 7 Remove the system fan 8 Remove the display ass...

Page 73: ...t module from the system board 2 Remove the power adapter port module from the system Installing the power adapter port Prerequisites If you are replacing a component remove the existing component before performing the installation procedure Disassembly and reassembly 73 ...

Page 74: ...ry cable 7 Install the base cover 8 Install the SD card 9 Follow the procedure in after working inside your computer Palm rest and keyboard assembly Removing the palmrest and keyboard assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the battery 5 Remove the WLAN 6 Remove the memory 7 Remove the display assemb...

Page 75: ...tached After performing the preceding steps you are left with the palmrest and keyboard assembly Next steps 1 Install the system board 2 Install the power adapter port 3 Install the touchpad 4 Install the IO board 5 Install the heatsink 6 Install the system fan 7 Install the coin cell battery 8 Install the speakers 9 Install the hard drive assembly 10 Install the SSD 11 Install the display assembl...

Page 76: ...roblems encountered during testing NOTE The SupportAssist window displays listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices Running SupportAssist diagnostics Steps 1 Turn on your computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option 4 Click the arrow at the ...

Page 77: ...ription Recommended solutions 1 1 TPM detection failure Replace the system board 1 2 Unrecoverable SPI Flash failure Replace the system board 1 3 Short in hinge cable tripped OCP1 Check if the display cable EDP is seated properly or pinched at the hinges If problem persists replace either display cable EDP or display assembly LCD 1 4 Short in hinge cable tripped OCP2 Check if the display cable EDP...

Page 78: ...h incomplete Flash corruption detected by SBIOS If problem persists replace the system board 3 7 Management Engine ME error Timeout waiting on ME to reply to HECI message If problem persists replace the system board Camera status light Indicates whether the camera is in use Solid white Camera is in use Off Camera is not in use Caps Lock status light Indicates whether Caps Lock is enabled or disabl...

Page 79: ... and telephone based support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues Steps 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the approp...

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