HP EliteBook 640 G10 system board replacement

Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.

Applies to

HP EliteBook 640 G10. Confirm the exact model on the service label before starting.

HP EliteBook 640 14 inch G10 system board replacement. HP prints the spare part table for this procedure on printed page 59.

Tools and parts

• Tweezers, a pry tool that neither conducts nor marks and a magnetic Phillips P1 driver
• Static-safe work surface

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 30. Its preparation for disassembly is on printed page 39: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.

Replacement

1. Get the computer ready for disassembly (see that procedure on page 39). (printed page 41).
2. Take off the bottom cover (see that procedure on page 39). (printed page 41).
3. Take off the battery (see that procedure on page 48). (printed page 52).
4. Take off the fan (see that procedure on page 55). (printed page 60).
5. Detach the following cables from the system board: (printed page 61).
6. Take out the port bracket by removing the three Phillips M2.5 × 4.0 screws that hold the (printed page 62).
7. Take out the two Phillips M2.0 × 2.5 screws that hold the system board to the computer. (printed page 62).
8. Lift the side of the main board upward (5), and after that pull the main board away from the connectors at the side of the machine to lift it out (6). (printed page 62).
9. Get the computer ready for disassembly (see that procedure on page 39). (printed page 41).
10. Take off the bottom cover (see that procedure on page 39). (printed page 41).
11. Take off the battery (see that procedure on page 48). (printed page 52).
12. Take off the fan (see that procedure on page 55). (printed page 60).
13. Take out the system board (see that procedure on page 59). (printed page 63).
14. Take out the Phillips M2.0 × 2.0 screw that holds the speaker to the computer. (printed page 63).
15. Lift the speaker up (printed page 63).
16. Get the computer ready for disassembly (see that procedure on page 39). (printed page 41).
17. Take off the bottom cover (see that procedure on page 39). (printed page 41).
18. Detach the battery cable from the system board (see that procedure on page 48). (printed page 41).
19. Move the antenna cables (printed page 64).
20. Take out the three Phillips M2.5 × 4.0 screws that hold the right display hinge to the computer, (printed page 64).
21. Detach the cable from the system board. (printed page 64).
22. Take out the power connector cable from the computer (5). (printed page 64).
23. Get the computer ready for disassembly (see that procedure on page 39). (printed page 41).
24. Take off the bottom cover (see that procedure on page 39). (printed page 41).
25. Detach the battery cable from the system board (see that procedure on page 48). (printed page 41).
26. Take out the power connector cable (see that procedure on page 63). (printed page 65).
27. Detach the display cable (1) (printed page 65).
28. Detach the antenna cables from the WLAN module. (printed page 65).
29. (Select models only) Detach the antenna cables from the WWAN module, and then remove (printed page 65).
30. Take out the five Phillips M2.5 × 4.0 screws that hold the display assembly to the computer. (printed page 65).
31. Rotate the display to open the hinges (2). (printed page 65).
32. Separate the display assembly from the computer (3). (printed page 66).
33. To remove the bezel: (printed page 66).
34. To remove the display panel: (printed page 67).
35. When replacing the display panel, follow these steps: (printed page 68).

Part numbers in our catalog

• HP System board support repair kit N50634-888 (N50634-888)
• HP System board, Intel Core i7-1365U processor N42762-xx1 (N42762-xx1)
• HP System board, Intel Core i7-1365U processor N44995-xx1 (N44995-xx1)
• HP System board, Intel Core i7-1355U processor N42761-xx1 (N42761-xx1)
• HP System board, Intel Core i5-1345U processor N42760-xx1 (N42760-xx1)
• HP System board, Intel Core i5-1345U processor N44994-xx1 (N44994-xx1)
• HP System board, Intel Core i5-1335U processor N42759-xx1 (N42759-xx1)
• HP System board, Intel Core i7-1365U processor N42777-xx1 (N42777-xx1)
• HP System board, Intel Core i7-1365U processor N42778-xx1 (N42778-xx1)
• HP System board, Intel Core i7-1355U processor N42775-xx1 (N42775-xx1)
• HP System board, Intel Core i7-1355U processor N42776-xx1 (N42776-xx1)
• HP System board, Intel Core i5-1345U processor N42771-xx1 (N42771-xx1)
• HP System board, Intel Core i5-1345U processor N42772-xx1 (N42772-xx1)
• HP System board, Intel Core i5-1335U processor N42767-xx1 (N42767-xx1)
• HP System board, Intel Core i5-1335U processor N42769-xx1 (N42769-xx1)
• HP System board, Intel Core i3-1315U processor N42764-xx1 (N42764-xx1)
• HP System board, Intel Core i3-1315U processor N42765-xx1 (N42765-xx1)
• HP System board, Intel Core i7-1370P processor N42779-xx1 (N42779-xx1)
• HP System board, Intel Core i7-1370P processor N42780-xx1 (N42780-xx1)
• HP System board, Intel Core i5-1350P processor N42773-xx1 (N42773-xx1)
• HP System board, Intel Core i5-1350P processor N42774-xx1 (N42774-xx1)
• HP Motherboard N41840-xx1 (N41840-xx1)

Check each part page for its source and variant notes before ordering.

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-elitebook-640-14-inch-g10-system-board-replacement-p61