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Dell Precision 3541 Service Manual

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Dell Precision 3541
Service Manual
Regulatory Model: P80G
Regulatory Type: P80F003

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Summary of Contents for Dell Precision 3541

  • Page 1 Dell Precision 3541 Service Manual Regulatory Model: P80G Regulatory Type: P80F003...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 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: Table Of Contents

    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 components......................10 DDR4......................................10 USB features..................................
  • Page 4 Installing the DC-in................................ 38 Solid state drive................................... 39 Removing the SSD................................ 39 Installing the SSD................................40 Inner frame....................................41 Removing the inner frame.............................41 Installing the inner frame.............................. 43 Touchpad buttons................................45 Touchpad buttons................................. 45 SmartCard reader................................47 Removing the smart card reader board........................47 Installing the smart card reader board........................
  • Page 5 Removing the palm-rest and keyboard assembly...................... 91 Installing the palm-rest and keyboard assembly......................92 5 Troubleshooting......................... 94 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................94 Running the ePSA diagnostics.............................94 System diagnostic lights..............................94 WiFi power cycle................................. 95 6 Getting help..........................96 Contacting Dell..................................96 Contents...

  • Page 6: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 7: Safety Precautions

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 8: Esd Field Service Kit

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 9: After Working Inside Your Computer

    4. Keep the load close. The closer it is to 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.

  • Page 10: Technology And Components

    Technology and components NOTE: Instructions provided in this section are applicable on computers shipped with Windows 10 operating system. Windows 10 is factory-installed with this computer. Topics: • DDR4 • USB features • USB Type-C • HDMI 1.4 • USB features •...

  • Page 11: Usb Features

    Figure 2. Thickness difference Curved edge DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 3. Curved edge Memory Errors Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on.
  • Page 12 • New connectors and cable The topics below cover some of the most commonly asked questions regarding USB 3.0/USB 3.1 Gen 1. Speed Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and Full- Speed.

  • Page 13: Usb Type-C

    • Multimedia Devices • Networking • USB 3.0/USB 3.1 Gen 1 Adapter Cards & Hubs Compatibility The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before.

  • Page 14: Hdmi 1.4

    Figure 4. Thunderbolt 1 and Thunderbolt 3 1. Thunderbolt 1 and Thunderbolt 2 (using a miniDP connector) 2. Thunderbolt 3 (using a USB Type-C connector) Thunderbolt 3 over USB Type-C Thunderbolt 3 brings Thunderbolt to USB Type-C at speeds up to 40 Gbps, creating one compact port that does it all - delivering the fastest, most versatile connection to any dock, display or data device like an external hard drive.

  • Page 15: Usb Features

    NOTE: The HDMI 1.4 will provide 5.1 channel audio support. HDMI 1.4 Features • HDMI Ethernet Channel - Adds high-speed networking to an HDMI link, allowing users to take full advantage of their IP-enabled devices without a separate Ethernet cable •...
  • Page 16 Speed Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification. They are Super-Speed, Hi-Speed and Full- Speed. The new SuperSpeed mode has a transfer rate of 4.8Gbps. While the specification retains Hi-Speed, and Full-Speed USB mode, commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility.

  • Page 17: Power Button Led Behavior

    Power button LED behavior On certain Dell Latitude systems, the power button LED is used to provide an indication of the system status, and as a result the power button illuminates when pressed. The systems with the optional power button/fingerprint reader will have no LED under the power button and hence will apply the available LED's in the system to provide an indication of the system status.
  • Page 18 Power button with fingerprint reader will have no LED and will leverage the available LED's in the system to provide indication of the system status • Power Adapter LED: • The LED on Power adapter connector illuminates white when power is supplied from electrical outlet. •...

  • Page 19: Major Components Of Your System

    Major components of your system 1. Base cover 2. DC-in metal bracket Major components of your system...
  • Page 20 20. WWAN card 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.

  • Page 21: Disassembly And Reassembly

    Disassembly and reassembly Base cover Removing the base cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The figure indicates the location of the base cover and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 22 Disassembly and reassembly...

  • Page 23: Installing The Base Cover

    Steps 1. Remove the five (M2.5x6.3) and three (M2.5x8) captive screws that secure the base cover to the computer. 2. Pry the base cover starting from the right hinge and work your way around. 3. Lift the base cover away from the computer. Installing the base cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 24 Disassembly and reassembly...

  • Page 25: Battery

    If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell.

  • Page 26: Installing The Battery

    Steps 1. Disconnect the battery cable from the system board. 2. Remove the single (M2x6) captive screw that secures the battery computer. 3. Lift the battery off the computer. Installing the battery Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the battery and provides a visual representation of the installation procedure.

  • Page 27: Memory Modules

    Steps 1. Place the battery on the palm-rest and keyboard assembly and align the screw holes on the battery with the screw holes on the palm- rest and keyboard assembly. 2. Replace the single (M2x6) captive screw that secures the battery to the computer. 3.

  • Page 28: Installing The Memory Modules

    Steps 1. Using your finger tips gently spread apart the securing-clips on each end of the memory-module slot until the memory module pops up. 2. Slide and remove the memory module off the memory module slot on the system board. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 29: Wlan Card

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle. 3. 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.

  • Page 30: Installing The Wlan Card

    Steps 1. Locate the WLAN card on your computer. 2. Remove the single (M2x3) screw that secures the WLAN bracket. 3. Remove the WLAN bracket from the computer. 4. Disconnect the WLAN cables from the WLAN module. 5. Remove the WLAN card out of the computer. Installing the WLAN card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 31: Wwan Card

    Steps 1. Locate the WLAN card slot on your computer. 2. Slide the WLAN card into the slot on the system board. 3. Reconnect the WLAN card cables to the WLAN module. 4. Place the WLAN bracket on the WLAN card and secure it with the single (M2x3) screw. Next steps 1.

  • Page 32: Installing The Wwan

    About this task The figure indicates the location of the WWAN card and provides a visual representation of the removal procedure. Steps 1. Locate the WWAN on your computer. 2. Remove the single (M2x3) screw that secures the WWAN metal bracket to the computer. 3.

  • Page 33: Hard Disk Drive

    Steps 1. Locate the WWAN slot on your computer. 2. Slide the WWAN card into the slot on your computer. 3. Reconnect the WWAN cables to the WWAN card module. 4. Place the WWAN metal bracket on the WWAN card module. 5.

  • Page 34: Installing The Hard Drive

    About this task The figure indicates the location of the HDD and provides a visual representation of the removal procedure. Steps 1. Locate the HDD on your computer. 2. Disconnect the HDD cable from the system board. 3. Remove the four (M2x2.7) screws that secure the HDD to the system board. 4.

  • Page 35: Coin-Cell Battery

    Steps 1. Locate the system board slot on your computer. 2. Align and install the HDD into the computer 3. Install the four (M2x2.7) screws that secure the HDD to the computer. 4. Connect the HDD cable on to the connector on the system board. Next steps 1.

  • Page 36: Installing The Coin-Cell

    Steps 1. Locate the Coin-cell on your computer. 2. Disconnect the coin-cell cable from the system board. 3. Lift the coin-cell out of the computer. Installing the Coin-cell Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the coin-cell and provides a visual representation of the installation procedure.

  • Page 37: Dc-In Port

    Steps 1. Locate the coin-cell slot on your computer. 2. Adhere the coin-cell on to the slot. 3. Reconnect the coin-cell cable to the system board. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer.

  • Page 38: Installing The Dc-In

    Steps 1. Locate the DC-in port on your computer. 2. Remove the two (M2x5) that secure the DC-in metal bracket. 3. Lift the DC-in metal bracket from the computer. 4. Disconnect the DC-in cable from the system board. 5. Remove the DC-in port from the computer. Installing the DC-in Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 39: Solid State Drive

    Steps 1. Locate the DC-in slot on your computer. 2. Insert the DC-in port into the slot on your computer. 3. Connect the DC-in cable to the system board. 4. Place the DC-in metal bracket on the DC-in port. 5. Install the two screws (M2x5) that secure the DC-in metal bracket to the system board. Next steps 1.

  • Page 40: Installing The Ssd

    3. Remove the battery. About this task The figure indicates the location of the SSD and provides a visual representation of the removal procedure. Steps 1. Locate the SSD on your computer. 2. Remove two (M2x3) screws that secure the SSD module to the computer. 3.

  • Page 41: Inner Frame

    Steps 1. Locate the SSD slot on your computer. 2. Slide the SSD into the slot. 3. Place the SSD thermal plate over the SSD module. 4. Replace the two (M2x3) screws to secure the SSD module to the computer. Next steps 1.
  • Page 42 Steps 1. Locate the system board on your computer. 2. Unroute the WWAN and WLAN card cables from the routing clips. 3. Disconnect and unroute the speaker cable. Disassembly and reassembly...

  • Page 43: Installing The Inner Frame

    4. Remove the five (M2x5) and six (M2x3) screws that secure the inner frame to the computer. 5. Lift the inner frame out of the computer. Installing the inner frame Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the inner frame and provides a visual representation of the installation procedure.
  • Page 44 Steps 1. Locate the Inner frame slot on your computer. 2. Align and place the inner frame into the slot on your computer. 3. Install the five (M2x5) and six (M2x3) that secure the inner frame to the computer. Disassembly and reassembly...

  • Page 45: Touchpad Buttons

    4. Route the WWAN and WLAN card cable through the retention clips on the frame. 5. Route the Speaker through the retention clips and connect it to the system board. Next steps 1. Install the WWAN card. 2. Install the WLAN card.
  • Page 46 Steps 1. Locate the touchpad buttons board on your computer. 2. Open the latch and disconnect the smart card reader board cable from the system board. 3. Open the latch and disconnect the touchpad buttons cable from the connector. 4. Remove the two (M2x3) screws that secure the touchpad buttons to the palmrest. 5.

  • Page 47: Smartcard Reader

    Steps 1. Locate the touchpad buttons slot on your computer. 2. Align and place the touchpad buttons into the slot on your computer. 3. Connect the touchpad buttons cable to the connector on the computer and secure the latch. 4. Install the two (M2x3) screws to secure the touchpad buttons on to the computer. 5.
  • Page 48 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the inner frame. About this task The figure indicates the location of the smart card reader board and provides a visual representation of the removal procedure. Steps 1.

  • Page 49: Installing The Smart Card Reader Board

    Installing the smart card reader board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the smart card reader board and provides a visual representation of the installation procedure. Steps 1.

  • Page 50: Touchpad Buttons

    4. Install the HDD. 5. Install the solid state drive. 6. Install the battery. 7. Install the base cover. 8. Follow the procedure in After working inside your computer. Touchpad buttons Removing the touchpad buttons Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 51: Installing The Touchpad Buttons

    3. Open the latch and disconnect the touchpad buttons cable from the connector. 4. Remove the two (M2x3) screws that secure the touchpad buttons to the palmrest. 5. Lift the touchpad buttons out of the computer. Installing the touchpad buttons Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 52: Led Board

    8. Follow the procedure in After working inside your computer. LED board Removing the LED board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive.

  • Page 53: Installing The Led Board

    2. Open the latch and disconnect the LED board cable from the system board. 3. Peel back the LED board cable. NOTE: The LED board cable is secured to the computer by an adhesive strip. 4. Remove the single (M2x3) screw that secures the LED board to the computer. 5.

  • Page 54: Speakers

    Next steps 1. Install the inner frame. 2. Install the WWAN card. 3. Install the WLAN card. 4. Install the HDD. 5. Install the solid state drive. 6. Install the battery. 7. Install the base cover. 8. Follow the procedure in After working inside your computer.

  • Page 55: Installing The Speakers

    Steps 1. Locate the speakers on your computer. 2. Unroute the speaker cables from the retention clips on the computer. 3. Lift the speakers out of the computer. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the speakers and provides a visual representation of the installation procedure.
  • Page 56 Steps 1. Locate the speakers slot on your computer. 2. Align and place the speakers in the slot on your computer. 3. Route the speaker cables through the retention clips on your computer. Next steps 1. Install the board. 2. Install the inner frame.

  • Page 57: Heatsink Assembly-Discrete

    Heatsink assembly-Discrete Removing the heatsink assembly-discrete Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The figure indicates the location of the Heatsink and provides a visual representation of the removal procedure. Disassembly and reassembly...

  • Page 58: Installing The Heatsink Assembly-Discrete

    Steps 1. Locate the heatsink assembly on your computer. 2. Remove the two (M2x5) and six (M2x3) captive screws that secures the heatsink assembly to the computer. 3. Disconnect the heatsink fan cable from the system board. 4. Lift the heatsink assembly out of the computer. 5.
  • Page 59 Disassembly and reassembly...
  • Page 60 Steps 1. Locate the heatsink slot on your computer. 2. Align and place the heatsink fan on to the heatsink assembly. 3. Install the single (M2x5) screw that secures the heatsink fan to the heatsink assembly. 4. Align and place the heatsink assembly into the slot of your computer. 5.

  • Page 61: Heatsink Assembly-Uma

    Heatsink assembly-UMA Removing the heatsink assembly-UMA Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The figure indicates the location of the Heatsink assembly and provides a visual representation of the removal procedure. Disassembly and reassembly...

  • Page 62: Installing The Heatsink Assembly-Uma

    Steps 1. Locate the heatsink on your computer. 2. Remove the two (M2x5) and four (M2x3) that secures the heatsink assembly to the computer. NOTE: Remove the screws as per the callout on the heatsink module. 3. Disconnect the heatsink fan cable from the system board. 4.
  • Page 63 Disassembly and reassembly...
  • Page 64 Steps 1. Locate the heatsink slot on your computer. 2. Align and place the heatsink fan on to the heatsink assembly. 3. Install the single (M2x5) screw that secures the heatsink fan to the heatsink assembly. 4. Align and place the heatsink assembly into the slot of your computer. 5.

  • Page 65: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.
  • Page 66 Disassembly and reassembly...

  • Page 67: Installing The System Board

    Steps 1. Locate the system board on your computer. 2. Remove the single (M2x3) screw that secures the fingerprint reader metal bracket. 3. Remove the fingerprint metal bracket from the computer and flip the fingerprint sensor over. 4. Disconnect the camera cable from the system board. 5.
  • Page 68 Disassembly and reassembly...

  • Page 69: Keyboard

    Steps 1. Locate the system board slot on your computer. 2. Slide the ports on the system board into the slots on the palm-rest and keyboard assembly and align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 3.

  • Page 70: Installing The Keyboard

    Steps 1. Locate the Keyboard on your computer. 2. Open the latch and disconnect the Keyboard, keyboard backlit cables from the palmrest. 3. Remove the 22 (M2x2) screws that secure the keyboard to the chassis of your computer. 4. Lift the keyboard out of the computer. Installing the Keyboard Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.

  • Page 71: Keyboard Bracket

    Steps 1. Locate the Keyboard slot on your computer. 2. Align and place the keyboard into the slot on your computer. 3. Install the 22 (M2x2) screws that secure the keyboard to the chassis of the computer. 4. Connect the keyboard, keyboard backlit cables on to the connector on the palmrest. Next steps 1.

  • Page 72: Installing The Keyboard Bracket

    3. Remove the battery. 4. Remove the solid-state drive. 5. Remove the HDD. 6. Remove the WLAN card. 7. Remove the WWAN card. 8. Remove the inner frame. 9. Remove the memory module. 10. Remove the system board NOTE: System board can be removed with heatsink attached. 11.
  • Page 73 Steps 1. Locate the keyboard bracket slot on your computer. 2. Align and place the keyboard on the keyboard bracket. 3. Press down on the lattice at the snap points, in order to secure the keyboard assembly to the palmrest. NOTE: The keyboard has multiple snap points on the lattice side which must be pushed down firmly after the keyboard is replaced.

  • Page 74: Power Button

    Power button Removing the power button with fingerprint reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the solid state drive. 5. Remove the HDD. 6. Remove the WLAN card.

  • Page 75: Display Assembly

    About this task The figure indicates the location of the power button with fingerprint and provides a visual representation of the installation procedure. Steps 1. Locate the power button with fingerprint slot on your computer. 2. Align and place the power button with fingerprint into the slot on your computer. 3.
  • Page 76 About this task The figure indicates the location of the display assembly and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 77 Disassembly and reassembly...
  • Page 78 Disassembly and reassembly...

  • Page 79: Installing The Display Assembly

    Steps 1. Locate the display cable, touchscreen cable and display hinges on your computer. 2. Peel back the tape and disconnect the touchscreen cable. 3. Remove the two (M2x3) screws that secure the EDP metal bracket to the computer. 4. Peel the tape that secures the display cable to the system board. 5.
  • Page 80 Disassembly and reassembly...
  • Page 81 Disassembly and reassembly...

  • Page 82: Display Bezel

    Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the display hinges. 4. Connect the display cable to the system board and adhere the tape to secure the display cable. 5.

  • Page 83: Installing The Display Bezel

    Steps 1. Use a plastic scribe to pry open the bottom edge of the display bezel beginning from the recesses near the hinges. 2. Work your way around the edges of the display bezel to release it from the display back cover and antenna assembly. 3.

  • Page 84: Hinge Caps

    Steps Align the display bezel with the display back-cover and antenna assembly, and gently snap the display bezel into place. Next steps 1. Install the display assembly. 2. Install the WWAN card. 3. Install the WLAN card. 4. Install the battery. 5.

  • Page 85: Installing The Hinge Caps

    5. Remove the display bezel. About this task The figure indicates the location of the hinge caps and provides a visual representation of the removal procedure. Steps 1. Locate the hinge cap on the display back cover. 2. Remove the two (M2x2.5) screws that secure the hinge caps to the chassis. 3.

  • Page 86: Display Panel

    Steps 1. Place the hinge caps and slide outward on the display hinges. 2. Replace the two (M2x2.5) screws to secure the hinge caps to the display hinge. Next steps 1. Install the display bezel. 2. Install the display assembly. 3.
  • Page 87 3. Remove the battery. 4. Remove the WLAN card. 5. Remove the WWAN card. 6. Remove the display assembly. 7. Remove the display bezel. 8. Remove the hinge caps. About this task The figure indicates the location of the display panel and provides a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 88 Disassembly and reassembly...

  • Page 89: Installing The Display Panel

    Steps 1. Locate the display panel on the display back cover assembly. 2. Remove the four (M2.5x3.5) screws that secure the display panel to the display assembly. 3. Lift to turn over the display panel to access the display cable. 4.
  • Page 90 Disassembly and reassembly...

  • Page 91: Palmrest Assembly

    Steps 1. Connect the display cable to the connector and close the latch. 2. Adhere the adhesive strip to secure the display cable connector. 3. Adhere the conductive tape to secure the display cable connector. 4. Replace the four (M2.5x3.5) screws that secure the display panel to the display assembly. Next steps 1.

  • Page 92: Installing The Palm-Rest And Keyboard Assembly

    Steps After performing the steps in the pre-requisites, we are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the palm-rest and keyboard assembly and provides a visual representation of the installation procedure.
  • Page 93 Steps Place the palm-rest and keyboard assembly on a flat surface. Next steps 1. Install the system board. 2. Install the touchpad. 3. Install the DC-in port. 4. Install the power button with fingerprint reader. 5. Install the display assembly. 6.

  • Page 94: Troubleshooting

    Running the ePSA 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 bottom left corner.

  • Page 95: Wifi Power Cycle

    For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected. The following table shows different power and battery-status light patterns and associated problems.

  • Page 96: Getting Help

    About this task Dell provides several online 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.

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