How to replace the System Board on a Dell Pro 13 Plus PB13250 U Series

This 3D experience gives you the step by step process of replacing the System Board and a Dell Pro 13 Plus PB13250 U Series. The procedure will also include removing the Base Cover, Battery Cable, Battery, Solid State Drive, Memory module, WLAN Card, Heat sink, Display Cable and reinstalling them.

Removal

1. Base Cover
   • Identify the base cover highlighted in blue.
   • Loosen the captive screws that secure the base cover to the palm rest assembly.
   • Using a plastic scribe, pry open the base cover from the recesses that are located in the U-shaped indents at the top edge of the base cover near the hinges.
   • Lift the base cover off the palm rest assembly.
   • Identify the base cover location highlighted in blue.
   • Align the base cover with the screw holes, place the base cover on the palm rest assembly, and snap into place.
   • Tighten the captive screws to secure the base cover to the palm rest assembly.
2. Battery Cable
   • Identify the battery cable highlighted in blue.
   • Disconnect the battery cable from the system board.
   • Press and hold the power button for 10 seconds to ground the system and remove residual static electricity.
3. Battery
   • Identify the battery highlighted in blue.
   • Loosen the captive screws that secure the battery to the palm rest assembly.
   • Lift the battery off the palm rest assembly.
   • Flip the battery.
   • Unroute the battery cable from the routing guides on the battery.
   • Disconnect and remove the battery cable from the connector on the battery.
   • Identify the battery location highlighted in blue.
   • Place and connect the battery cable to its connector on the battery.
   • Route the battery cable through the routing guides on the battery.
   • Flip the battery.
   • Align it with the screw holes and place the battery into the slot on the palm rest assembly.
   • Tighten the captive screws that secure the battery to the palm rest assembly.
4. Solid State Drive
5. Memory module
   • Identify the memory module highlighted in blue.
   • Using your fingertips, carefully spread apart the securing clips until the memory module pops up.
   • Hold the edges and carefully lift the memory module up from connector on the system board.
   • Identify the memory module location highlighted in blue.
   • Align the notch on the memory module with the tab on the slot and slide the memory into the slot at an angle.
   • Press the memory module down until it clicks into place.
6. WLAN Card
   • Identify the WLAN card highlighted in blue.
   • Remove the screw that secures the wireless card bracket to the system board.
   • Lift the wireless card bracket from the WLAN card.
   • Disconnect the WLAN antenna cables from the WLAN card.
   • Slide and remove the WLAN card from the wireless card slot.
   • Identify the WLAN card location highlighted in blue.
   • Align and slide the WLAN card at an angle into the wireless card slot.
   • Connect the white cable to the main.
   • Connect the black cable to the auxiliary.
   • Align and place the WLAN card bracket on the WLAN card.
   • Install the screw that secures the WLAN card bracket and the WLAN card to the system board.
7. Heat sink
   • Identify the heat sink highlighted in blue.
   • Peel the thermal barrier from the heat sink.
   • Loosen the screws that secure the heat sink to the system board. Loosen in reverse order.
   • Lift the heat sink from the system board.
   • Use the alcohol pad to clean the system board and heatsink (as shown in the video).
8. Display Cable
   • Identify the display cable highlighted in blue.
   • Remove the screws that secure the display cable bracket to the system board.
   • Lift the display cable bracket off the system board.
   • Peel the tapes that secure the display and sensor board cables to the system.
   • Lift the black flap and disconnect the sensor board cable from the system board.
   • Lift the black flap and disconnect the display cable from the system board.
   • Unroute the display and sensor board cables from the routing guides on the system.
   • Identify the display cable location highlighted in blue.
   • Route the display and sensor board cables through the routing guides on the system.
   • Connect the display cable on the system board and place the black flap to cover the display cable.
   • Connect the sensor board cable on the system board and place the black flap to cover the sensor board cable.
   • Adhere the tapes to secure the display and sensor board cables to the system.
   • Install the display cable bracket on the system board.
   • Install the screws that secure the display cable bracket to the system board.
9. System Board
   • Identify the system board highlighted in blue.
   • Unroute the WLAN antenna cables from the system board.
   • Partly peel the mylar to access the screws on the middle bracket (AB10) that connects the I/O board and system board to the palm rest assembly.
   • Remove the screws that secure the system board to the I/O board. Remove in reverse order.
   • Remove the screws that secure the system board to the palm rest assembly.
   • Remove the screws that secure the system board to the palm rest assembly.
   • Slide and lift the system board off the palm rest assembly.
   • Identify the system board location highlighted in blue.
   • Align and place the system board on the palm rest assembly.
   • Install the screws that secure the system board to the palm rest assembly.
   • Install the screws that secure the system board to the palm rest assembly.
   • Install the screws that secure the system board to the I/O board. Install in order.
   • Adhere the mylar to the screws on the middle bracket (AB10) that connects the I/O board and system board to the palm rest assembly.
   • Route the WLAN antenna cables to the system board.

Install

1. System Board
2. Display Cable
3. Heat sink
   • Identify the heat sink location highlighted in blue.
   • Apply a pea sized amount of thermal material as shown.
   • Align and place the heat sink on the system board and align with the screw holes.
   • Tighten the screws that secure the heat sink to the system board. Tighten in order. Do not over tighten.
   • Adhere the thermal barrier to the heat sink.
4. WLAN Card
   • Identify the solid state drive (SSD) location highlighted in blue.
   • Align the notch with the tab and slide the SSD into the slot on the system board.
   • Install the screw that secures the SSD to the system board.
   • Place the bracket into the SSD slot on the system board.
   • Install the screws that secure the SSD bracket to the system board.
5. Memory module
   • Identify the solid state drive (SSD) location highlighted in blue.
   • Align the notch with the tab and slide the SSD into the slot on the system board.
   • Install the screw that secures the SSD to the system board.
   • Place the bracket into the SSD slot on the system board.
   • Install the screws that secure the SSD bracket to the system board.
6. Solid State Drive
7. Battery
   • Identify the solid state drive (SSD) location highlighted in blue.
   • Align the notch with the tab and slide the SSD into the slot on the system board.
   • Install the screw that secures the SSD to the system board.
   • Place the bracket into the SSD slot on the system board.
   • Install the screws that secure the SSD bracket to the system board.
8. Battery Cable
   • Identify the battery cable location highlighted in blue.
   • Connect the battery cable on the system board.
9. Base Cover
   • Identify the battery cable location highlighted in blue.
   • Connect the battery cable on the system board.