Dell Latitude 7300 Service Manual

Dell Latitude 7300 Manual

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  • Dell Latitude 7300 | Service Manual - Page 1
    Dell Latitude 7300 Service Manual Regulatory Model: P99G Regulatory Type: P99G001 May 2020 Rev. A02
  • Dell Latitude 7300 | Service Manual - Page 2
    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
  • Dell Latitude 7300 | Service Manual - Page 3
    Contents 1 Working on your computer...6 Safety instructions...6 Before working inside your computer...6 Safety precautions...7 Electrostatic discharge-ESD protection...7 ESD field service kit ...8 Transporting sensitive components...8 After working inside your computer...9 2 Technology and
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    button board...76 Installing the power-button board...78 Keyboard...80 Removing the keyboard...80 Installing the keyboard...82 Palmrest...84 5 Troubleshooting...86 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 86 Running the ePSA diagnostics...86 System diagnostic lights...86 Flashing BIOS
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    Flashing the BIOS...87 Backup media and recovery options...88 WiFi power cycle...88 Flea power release...88 6 Getting help...89 Contacting Dell...89 Contents 5
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    only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came
  • Dell Latitude 7300 | Service Manual - Page 7
    disassembly instructions. electrocuted. Standby power Dell products with standby power through the use of a field service electrostatic discharge (ESD) kit. When obvious, such as intermittent problems or a shortened product of damage to recognize and troubleshoot is the intermittent (also called
  • Dell Latitude 7300 | Service Manual - Page 8
    for safe transport. ESD protection summary It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate
  • Dell Latitude 7300 | Service Manual - Page 9
    your spine, the less force it exerts on your back. 5. Keep your back upright, whether lifting or setting down the load. Do not add the weight of your body to the load. Avoid twisting your body and back. 6. Follow the same techniques in reverse to set the load down. After working
  • Dell Latitude 7300 | Service Manual - Page 10
    the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers. Let's take a quick look on the USB evolution • New power management features • Full-duplex data transfers and support for new transfer types • Backward USB 2.0 compatibility • New
  • Dell Latitude 7300 | Service Manual - Page 11
    Drives • Portable USB 3.0/USB 3.1 Gen 1 Hard Drives • USB 3.0/USB 3.1 Gen 1 Drive Docks & Adapters • USB 3.0/USB 3.1 Gen 1 Flash Drives & Readers • USB 3.0/USB 3.1 tiny physical connector. The connector itself can support various exciting new USB standards like USB 3.1 and USB power delivery
  • Dell Latitude 7300 | Service Manual - Page 12
    of power - that'll charge your phone, but that's about it. A laptop might require up to 60 watts, for example. The USB Power Delivery specification ups to any dock, display or data device like an external hard drive. Thunderbolt 3 uses a USB Type-C connector/port to connect to supported peripherals.
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    1.4a This topic explains the HDMI 1.4a and its features along with the advantages. HDMI (High-Definition Multimedia Interface) is an industry-supported, uncompressed, all-digital audio/video interface. HDMI provides an interface between any compatible digital audio/video source, such as a DVD player
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    video and multichannel audio into a single cable, eliminating the cost, complexity, and confusion of multiple cables currently used in A/V systems • HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality 14 Technology and components
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    3 Major components of your system 1. Base cover 2. Power adapter port Major components of your system 15
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    button board 10. LED daughterboard 11. Display assembly 12. Palmrest assembly 13. WLAN card 14. WWAN card 15. Heatsink 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
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    4 Removing and installing components Base cover Removing the base cover Follow the procedure in before working inside your computer. 1. Loosen the eight captive screws that secure the base cover to the computer. 2. Use a plastic scribe to pry the base cover at the indents near the left and right
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    4. Lift and remove the base cover from the computer. 18 Removing and installing components
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    Installing the base cover 1. Align and place the base cover on the computer. 2. Press along the edges of the base cover until it clicks into the palmrest assembly. Removing and installing components 19
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    3. Tighten the eight captive screws to secure the base cover to the computer. 20 Removing and installing components
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    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 Dell technical support for assistance. See www.dell.com/contactdell. • Always purchase genuine batteries from www.dell.com or authorized Dell
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    Installing the battery 1. Align and place the battery in the computer [1]. 2. Tighten the two captive screws [2] to secure the battery (4-Cell) to the computer. NOTE: A 3-Cell battery has single captive screw that secures the battery to the computer. 3. Connect the battery cable to its connector on
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    1. Install the base cover. 2. Follow the procedure after working inside your computer. Memory Removing the memory 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 1. Pry the clips securing the memory module until the memory module pops-
  • Dell Latitude 7300 | Service Manual - Page 24
    Installing the memory Insert the memory module on the memory connector until the clips secure the memory module. 24 Removing and installing components
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    1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. Solid state drive Removing the solid state drive 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 1. NOTE: This procedure
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    3. Slightly lift and remove the SSD out from its connector on the system board. 26 Removing and installing components
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    Installing the solid state drive 1. Place the SSD on its slot and slide it to its connector on the system board. 2. Place the SSD plate pre-installed with thermal sticker on the underside over the SSD [1]. 3. Tighten the three captive screws to secure the SSD bracket to the palmrest [2]. Removing
  • Dell Latitude 7300 | Service Manual - Page 28
    NOTE: This procedure illustrates a M.2 2280 SSD. M.2 2230 SSD requires a special bracket and plate to secure it to the palmrest assembly. 1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. WLAN card Removing the WLAN card 1. Follow the
  • Dell Latitude 7300 | Service Manual - Page 29
    Installing the WLAN card 1. Insert the WLAN card into its slot on the system board [1]. 2. Connect the antennae cables to the connectors on the WLAN card [2]. 3. Place the metal bracket over the antennae connectors [3]. 4. Replace the single (M2x3) screw to secure the metal bracket to the WLAN card
  • Dell Latitude 7300 | Service Manual - Page 30
    1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. WWAN card Removing the WWAN card 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 1. Remove the single (M2x3) screw that
  • Dell Latitude 7300 | Service Manual - Page 31
    Installing the WWAN card 1. Place the WWAN card into its connector on the system board [1]. 2. Connect the antennae cables to the connectors on WWAN card [2]. 3. Place the metal bracket over the antennae connectors on the WWAN card [3]. 4. Replace the single (M2x3) screw to secure the metal bracket
  • Dell Latitude 7300 | Service Manual - Page 32
    1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. Heatsink Removing the heatsink fan assembly 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the WWAN card. 1.
  • Dell Latitude 7300 | Service Manual - Page 33
    4. Remove the single screw securing the fan to heatsink. Installing the heatsink assembly 1. NOTE: Heatsink and Fan are separately orderable parts. Install the single screw securing the fan to the heatsink. Removing and installing components 33
  • Dell Latitude 7300 | Service Manual - Page 34
    2. Place the heatsink fan assembly in the computer [1]. 3. Replace the two (M2x3) screws in sequence (2 > 1) on fan case and four (M2x3) screws in sequence (4 > 3 > 2 > 1) on the heatsink fan assembly [1]. 4. Connect the fan cable to the system board [2]. 1. Install the WWAN card. 2. Install the
  • Dell Latitude 7300 | Service Manual - Page 35
    Power adapter port Removing the power adapter port 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 1. Remove the single (M2x3) screw from the metal bracket on the power adapter port [1]. 2. Remove the metal bracket that secures the
  • Dell Latitude 7300 | Service Manual - Page 36
    3. Replace the metal bracket over the power adapter port [1]. 4. Replace the single (M2x3) screw to secure the power adapter port to the palmrest assembly [2]. 1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. Speakers Removing the
  • Dell Latitude 7300 | Service Manual - Page 37
    4. Remove the four (M2x3) screws securing the speakers to the palmrest assembly [1]. 5. Lift and remove the speakers from the palmrest assembly [2]. Removing and installing components 37
  • Dell Latitude 7300 | Service Manual - Page 38
    Installing the speakers 1. Align and place the speakers into the palmrest assembly [1]. 2. Replace the four (M2x3) screws to secure the speakers to the palmrest assembly [2]. 38 Removing and installing components
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    3. Adhere the tape to secure the speaker cable on the touchpad button board [1]. 4. Route the speaker cable through the rubber routing channel stuck on the coin cell [2] and connect the speaker cable to the connector on the system board [3]. Removing and installing components 39
  • Dell Latitude 7300 | Service Manual - Page 40
    1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. LED Board Removing the LED daughterboard 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Disconnect the speaker cable. 1.
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    3. Remove the single (M2x2.5) screw [1] and remove the LED daughterboard from the palmrest assembly [2]. Removing and installing components 41
  • Dell Latitude 7300 | Service Manual - Page 42
    Installing the LED daughterboard 1. Align and place the LED daughterboard on the palmrest assembly [1]. 2. Replace the single (M2x2.5)screw securing the LED daughterboard to the palmrest assembly [2]. 3. Route the LED board ribbon cable over the rubber routing channel on the coin cell [1]. 4.
  • Dell Latitude 7300 | Service Manual - Page 43
    CAUTION: Route the speaker cable [1] over the LED daughterboard and then connect it to the system board [2] to prevent damage to the speaker cables. 1. Connect the speaker cable 2. Install the battery. 3. Install the base cover. 4. Follow the procedure after working inside your computer. Touchpad
  • Dell Latitude 7300 | Service Manual - Page 44
    Installing the touchpad button board 1. Place the touchpad button board on the palmrest assembly [1]. 2. Replace the two (M2x2.5) screws to secure it to the palmrest assembly [2]. 3. Connect the touch pad button board cable to the touchpad module [3]. 44 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 45
    1. Install the speaker. 2. Install the battery. 3. Install the base cover. 4. Follow the procedure after working inside your computer. Smart card reader Removing the smart card reader 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4.
  • Dell Latitude 7300 | Service Manual - Page 46
    Installing the smart card reader 1. Replace the smart card reader into its slot on the palmrest assembly [1]. 2. Replace the four (M2x2.5) screws securing it to the palmrest assembly [2]. 3. Connect the touchpad button board cable to the touchpad module [3]. 4. Connect the smart card reader cable to
  • Dell Latitude 7300 | Service Manual - Page 47
    1. Install the speakers. 2. Install the SSD. 3. Install the battery. 4. Install the base cover. 5. Follow the procedure after working inside your computer. Display assembly Removing the display assembly 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3.
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    2. Remove the six (M2.5x4) screws [1] and remove the display assembly from the palmrest assembly [2]. 48 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 49
    Installing the display assembly 1. Replace the display assembly aligning the screw holes on the hinges with the screw holes on the palmrest assembly [1]. 2. Replace the six (M2.5x3.5) screws [2] to secure the display assembly to the computer [2]. 3. Close the LCD lid. Removing and installing
  • Dell Latitude 7300 | Service Manual - Page 50
    1. Install the battery. 2. Install the base cover. 3. Follow the procedure after working inside your computer. Hinge caps Removing the hinge cap 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the display assembly. 1. Open
  • Dell Latitude 7300 | Service Manual - Page 51
    Installing the hinge cap 1. Slide the hinge cap towards the left hinge until it click locks on the display assembly [1]. 2. Close the hinges to 180 degrees to the display assembly [2]. Removing and installing components 51
  • Dell Latitude 7300 | Service Manual - Page 52
    1. Install the display assembly 2. Install the battery. 3. Install the base cover. 4. Follow the procedure after working inside your computer. Display Hinges Removing the hinges 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove
  • Dell Latitude 7300 | Service Manual - Page 53
    2. Remove the four (M2.5x5) screws [1] securing the hinges to the display assembly. 3. Lift and remove the hinges from the display back cover assembly [2]. Removing and installing components 53
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    Installing the hinges 1. Align and place the hinges on the display assembly [1]. 2. Replace the four (2.5x5) screws to secure hinges to the display back cover assembly [2]. 54 Removing and installing components
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    3. Route the antennae and display cable along the hinges. Removing and installing components 55
  • Dell Latitude 7300 | Service Manual - Page 56
    1. Install the hinge cap 2. Install the display assembly 3. Install the battery. 4. Install the base cover. 5. Follow the procedure 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.
  • Dell Latitude 7300 | Service Manual - Page 57
    Installing the display bezel Place the display bezel on the display assembly and press along the edges to click lock it to the display back cover. Removing and installing components 57
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    1. Install the hinges. 2. Install the hinge cap 3. Install the display assembly 4. Install the battery. 5. Install the base cover. 6. Follow the procedure after working inside your computer. Display Panel Removing the display panel 1. Follow the procedure in before working inside your computer. 2.
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    2. NOTE: Do not pull and release the Stretch (SR) tapes from the display panel. There is no need to separate the brackets from the display panel. Peel back the tape [1] and flip open the latch [2] to disconnect the EDP cable from the display panel [3]. Removing and installing components 59
  • Dell Latitude 7300 | Service Manual - Page 60
    Installing the display panel 1. Connect the EDP cable to the connector on the display panel [1] and close the actuator to secure the connector [2]. 2. Adhere the adhesive tape over the EDP connector on the display panel [3] and flip over the display panel on the back cover [4]. 60 Removing and
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    3. Install the four (M2x2.5) screws [2] on the display panel to secure it to the back cover. Removing and installing components 61
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    1. Install the display bezel. 2. Install the hinges. 3. Install the hinge cap 4. Install the display assembly 5. Install the battery. 6. Install the base cover. 7. Follow the procedure after working inside your computer. Camera-microphone module Removing the camera-microphone module 1. Follow the
  • Dell Latitude 7300 | Service Manual - Page 63
    1. Install the hinges. 2. Install the display bezel. 3. Install the hinge cap 4. Install the display assembly 5. Install the battery. 6. Install the base cover. 7. Follow the procedure after working inside your computer. Display Cable Removing the display cable 1. Follow the procedure in before
  • Dell Latitude 7300 | Service Manual - Page 64
    Installing the display cable 1. Adhere the display cable along the routing channel on the display back cover assembly [1] . 2. Connect the display cable to the camera microphone module and replace the tape on the connector [2]. 64 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 65
    1. Install the display panel. 2. Install the hinges. 3. Install the display bezel. 4. Install the hinge cap 5. Install the display assembly 6. Install the battery. 7. Install the base cover. 8. Follow the procedure after working inside your computer. System board Removing the system board 1. Follow
  • Dell Latitude 7300 | Service Manual - Page 66
    4. Unroute the speaker cable from the rubber routing channel on the coin cell and on the side of LED daughterboard [4]. 5. Peel off the rubber routing channel from the coin cell. 66 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 67
    6. Remove the single (M2x3) screw from the display cable bracket [ 1] and remove it from the system board [2]. 7. Disconnect the camera cable [1] and the display cable [2] connectors from the system board . Removing and installing components 67
  • Dell Latitude 7300 | Service Manual - Page 68
    8. Disconnect the touchpad cable connector from the system board [1]. 9. Pry and remove the coin cell battery from the palmrest assembly [2]. 10. Remove the single (M2x4) screw [1] and remove the metal bracket over the WWAN Darwin antennae cable [2]. 68 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 69
    11. Disconnect the power button (with finger print reader) cable from the system board [1]. 12. Disconnect the WWAN Darwin antennae cables [2] from the system board. 13. Remove the two (M2x4) screws [1] and lift up the USB Type-C bracket from the system board [2]. 14. Remove the five (M2x4) screws
  • Dell Latitude 7300 | Service Manual - Page 70
    Installing the system board 1. Align and place the system board pre-installed with DDR ESD bracket in the palmrest assembly [1] 2. Replace the four (M2x3) screws on the system board and single (M2x2.5) screw on the DDR ESD bracket securing it to the palmrest assembly [2]. 70 Removing and
  • Dell Latitude 7300 | Service Manual - Page 71
    NOTE: For models shipped with a fingerprint reader or WWAN antennas, there are four (M2x3) screws securing the system board to the computer. 3. Place the USB Type-C bracket [1] on the system board and secure it using two (M2x5) screws [2] to the system board. 4. Connect the touchpad cable to the
  • Dell Latitude 7300 | Service Manual - Page 72
    6. Connect the display cable to the camera-touchscreen [1] and the EDP cable connectors [2] to the system board. display cable connect 7. Install the display cable bracket [1] on the EDP connector of the system board and secure it using a single (M2x3) screw [2]. 72 Removing and installing
  • Dell Latitude 7300 | Service Manual - Page 73
    8. Install the rubber routing channel on the coin cell. 9. Connect the power button (with finger print reader) cable to the system board [1]. 10. Connect the Darwin WWAN antenna cables [2] to the the system board. Removing and installing components 73
  • Dell Latitude 7300 | Service Manual - Page 74
    11. Route the speaker cable along the tab [1] beside the LED daughterboard and connect it to the system board [2]. 12. Route the LED daughterboard FFC cable [3] over the rubber routing channel on the coin cell and connect it to the system board [4]. 1. Install the display assembly 2. Install the
  • Dell Latitude 7300 | Service Manual - Page 75
    Coin cell Removing the coin cell 1. Follow the procedure in before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the memory. 5. Remove the SSD. 6. Remove the WLAN card. 7. Remove the heatsink-fan assembly. 8. Remove the power adapter port. 9. Remove the LED
  • Dell Latitude 7300 | Service Manual - Page 76
    1. Install the system board. 2. Install the display cable. 3. Install the camera-microphone daughterboard. 4. Install the display panel. 5. Install the hinges. 6. Install the display bezel. 7. Install the hinge cap 8. Install the touchpad buttons. 9. Install the display assembly 10. Install the
  • Dell Latitude 7300 | Service Manual - Page 77
    7. Remove the heatsink-fan assembly. 8. Remove the power adapter port. 9. Remove the speaker. 10. Remove the display assembly. 11. Remove the system board. 1. Remove the two (M2x2.5) screws, that secure the power-button board to the palmrest assembly [1]. 2. Remove the power-button board from its
  • Dell Latitude 7300 | Service Manual - Page 78
    Figure 4. Removing the power-button board with FPR Installing the power-button board 1. Align and place the power-button board in to its slot on the plamrest assembly [1]. 2. Replace the two (M2x2.5) screws to secure the power-button board to the palmrest assembly [2]. 78 Removing and installing
  • Dell Latitude 7300 | Service Manual - Page 79
    Figure 5. Power-button board - without FPR Removing and installing components 79
  • Dell Latitude 7300 | Service Manual - Page 80
    Figure 6. Installing the power-button board with FPR NOTE: Power-button board with finger print reader, has a cable that connects to the system board. 1. Install the system board. 2. Install the touchpad buttons. 3. Install the display assembly 4. Install the power adapter port. 5. Install the
  • Dell Latitude 7300 | Service Manual - Page 81
    the 17 (M1.6x2) screws [2] and separate the keyboard assembly from the palmrest [3]. 3. Remove the two (M2x2) screws [1] to lift the keyboard from the keyboard support plate. Removing and installing components 81
  • Dell Latitude 7300 | Service Manual - Page 82
    be pushed down firmly at the snap points in order to secure and fit it to the replacement keyboard. Align the keyboard to the keyboard support plate [1] and replace the two (M2x2) screws [2]. 82 Removing and installing components
  • Dell Latitude 7300 | Service Manual - Page 83
    2. Place the keyboard assembly in the palmrest [1] and secure it with the 19 (M1.6x2) screws [2]. NOTE: This image shows disassembly of a carbon fiber variant, an Aluminum variant of this model has 25 M1.6x2 screws securing the keyboard assembly to palmrest. assembly. 3. Connect the keyboard cable
  • Dell Latitude 7300 | Service Manual - Page 84
    NOTE: Backlit keyboards have an extra backlight cable to be connected to the touchpad module. 1. Install the power button. 2. Install the coin cell. 3. Install the system board. 4. Install the display assembly 5. Install the power adapter port. 6. Install the heatsink-fan assembly. 7. Install the
  • Dell Latitude 7300 | Service Manual - Page 85
    9. Remove the LED daughterboard. 10. Remove the speaker. 11. Remove the display assembly. 12. Remove the touchpad buttons. 13. Remove the system board. 14. Remove the coin cell. 15. Remove the power button. 16. Remove the keyboard. 1. After removing these components, you are left with the palmrest
  • Dell Latitude 7300 | Service Manual - Page 86
    are any issues, error codes are displayed. Note the error code and validation number and contact Dell. System diagnostic lights Battery-status light Indicates the power and battery-charge status. Solid white - power and battery-status light patterns and associated problems. 86 Troubleshooting
  • Dell Latitude 7300 | Service Manual - Page 87
    Go to www.dell.com/support. 3. Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model. 4. Click Drivers & downloads > Find it myself. Troubleshooting 87
  • Dell Latitude 7300 | Service Manual - Page 88
    -click the BIOS update file icon and follow the instructions on the screen. Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your
  • Dell Latitude 7300 | Service Manual - Page 89
    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: 1. Go to Dell.com/support. 2. Select your support category. 3. Verify your country or region in the Choose a Country
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Dell Latitude 7300
Service Manual
Regulatory Model: P99G
Regulatory Type: P99G001
May 2020
Rev. A02