Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 32–64). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.
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 ZBook 15 G4. Confirm the exact model on the service label before starting.
HP ZBook 15 G4 Mobile Workstation system board replacement. HP prints the spare part table for this procedure on printed page 62.
Tools and parts
- Torx driver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
- Static-safe work surface
- System board, equipped with an Intel Core i7-7820HQ processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
- System board, equipped with an Intel Core i7-7700HQ processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
- System board, equipped with an Intel Core i7-7440HQ processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
- System board, equipped with an Intel Core i7-7300HQ processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
- System board, equipped with an Xeon E3-1535M processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
- System board, equipped with an Xeon E3-1505M processor - HP prints no single spare part number for this option, so no part number is published (printed page 62).
Preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. 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
- Power the machine down. (printed page 32).
- Detach the power from the notebook by unplugging the power cord from the computer. (printed page 32).
- Detach all external devices from the computer. (printed page 32).
- Take off the bottom cover (see that procedure on page 36). (printed page 37).
- Take off the battery (see that procedure on page 37). (printed page 57).
- Take out the hard drive (see that procedure on page 46). (printed page 61).
- Take off the keyboard (see that procedure on page 49). (printed page 63).
- Take off the fans (see that procedure on page 60). (printed page 63).
- Take out the smart card reader (see that procedure on page 45). (printed page 46).
- Take out the two Phillips PM2.0×3.0 fasteners from the bracket atop the display header (1), and then (printed page 63).
- Detach the display cable (3). (printed page 63).
- Detach the remaining cables from the system board: (printed page 63).
- Take out the two Phillips PM2.5×7.0 screws from the VGA bracket (printed page 64).
- Take out the three Phillips PM2.5×7.0 screws from the USB-C bracket (printed page 64).
- Take out the four Phillips PM2.5×5.0 screws that hold the system board to the computer. (printed page 64).
- raise the left side of the system board until it rests at an angle. (printed page 64).
- Take out the system board by sliding it up and to the left. (printed page 64).
- Install the system board by working back through the printed removal steps (printed page 64).
Part numbers in our catalog
- HP Graphics board, NVIDIA Quadro M2200 924955-001 (924955-001)
- HP Graphics board, NVIDIA Quadro M1200 924954-001 (924954-001)
- HP Graphics board, NVIDIA Quadro M620 924953-001 (924953-001)
- HP Graphics board, AMD Radeon Pro WX 4150 924956-001 (924956-001)
- HP LED board assembly 848246-001 (848246-001)
- HP System board for Intel Core i7-7820HQ 921048-xxx (921048-xxx)
- HP System board for Intel Core i7-7700HQ 921047-xxx (921047-xxx)
- HP System board for Intel Core i7-7440HQ 921046-xxx (921046-xxx)
- HP System board for Intel Core i7-7300HQ 921045-xxx (921045-xxx)
- HP System board for Xeon E3-1535M 921050-xxx (921050-xxx)
- HP System board for Xeon E3-1505M 921049-xxx (921049-xxx)
- HP Microphone board 854110-001 (854110-001)
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-zbook-15-g4-system-board-replacement-p63