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 ProBook 450 G3. Confirm the exact model on the service label before starting.
HP ProBook 450 G3 Notebook PC system board replacement. HP prints this procedure on printed page 72 of its maintenance and service guide.
Tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
- ● Intel Core i7-6500U processor; 2-GB discrete graphics memory - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i5-6200U processor; 2-GB discrete graphics memory - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i5-6200U processor; 1-GB discrete graphics memory - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i3-6100U processor; 2-GB discrete graphics memory - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i3-6100U processor; 1-GB discrete graphics memory - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i7-6500U processor (models with WWAN) - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i7-6500U processor (models without WWAN) - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i5-6200U processor (models with WWAN) - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i5-6200U processor (models without WWAN) - HP prints no single spare part number for this option, so no part number is published (printed page 20).
- ● Intel Core i3-6100U processor - HP prints no single spare part number for this option, so no part number is published (printed page 21).
- ● Intel Pentium 4405U processor - HP prints no single spare part number for this option, so no part number is published (printed page 21).
- ● Intel Celeron 3855U processor - HP prints no single spare part number for this option, so no part number is published (printed page 21).
Preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
Replacement
- Place the machine upright with the front toward you. (printed page 72).
- Detach the following cables from the system board: (printed page 72).
- Take out the 2 Phillips PM2.5×5.0 screws that hold the system board to the computer. (printed page 72).
- Take out the system board from the computer (2). (printed page 73).
- Fit the replacement part by working back through the printed removal steps (printed page 73).
Part numbers in our catalog
- HP Power button board assembly 827035-001 (827035-001)
- HP Function board 828419-001 (828419-001)
- HP USB and audio jack board 827032-001 (827032-001)
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-probook-450-g3-system-board-replacement-p72