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 22–38). 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 Chromebook 14 G5. Confirm the exact model on the service label before starting.
HP Chromebook 14 G5 system board replacement. HP prints this procedure on printed page 36 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
L15345-001- Equipped with an Intel Celeron N3450 1.10-GHz (turbo up to 2.20-GHz) quad core processor (2400-MHz 2.0-MB L2 cache, 6.0-W), an Intel graphics subsystem with UMA video memory, 8-GB of system memory, and 64-GB of eMMC storage. Source: printed page 36.L15344-001- Equipped with an Intel Celeron N3450 1.10-GHz (turbo up to 2.20-GHz) quad core processor (2400-MHz 2.0-MB L2 cache, 6.0-W), an Intel graphics subsystem with UMA video memory, 8-GB of system memory, and 32-GB of eMMC storage. Source: printed page 36.L15343-001- Equipped with an Intel Celeron N3450 1.10-GHz (turbo up to 2.20-GHz) quad core processor (2400-MHz 2.0-MB L2 cache, 6.0-W), an Intel graphics subsystem with UMA video memory, 4-GB of system memory, and 32-GB of eMMC storage. Source: printed page 36.L15342-001- Equipped with an Intel Celeron N3350 1.10-GHz dual core processor (2400-MHz, 2.0-MB L2 cache, 6-W) an Intel graphics subsystem with UMA video memory, 8-GB of system memory, and 64-GB of eMMC storage. Source: printed page 36.L15341-001- Equipped with an Intel Celeron N3350 1.10-GHz dual core processor (2400-MHz, 2.0-MB L2 cache, 6-W) an Intel graphics subsystem with UMA video memory, 8-GB of system memory, and 32-GB of eMMC storage. Source: printed page 36.L15340-001- Equipped with an Intel Celeron N3350 1.10-GHz dual core processor (2400-MHz, 2.0-MB L2 cache, 6-W) an Intel graphics subsystem with UMA video memory, 4-GB of system memory, and 32-GB of eMMC storage. Source: printed page 36.L15339-001- Equipped with an Intel Celeron N3350 1.10-GHz dual core processor (2400-MHz, 2.0-MB L2 cache, 6-W) an Intel graphics subsystem with UMA video memory, 4-GB of system memory, and 16-GB of eMMC storage. Source: printed page 36.
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.
- Power the machine down. If you are unsure whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 22).
- Detach every external device wired to the machine. (printed page 22).
- Cut the power by pulling the cord out of the wall outlet, and after that unplugging the AC adapter from the machine. (printed page 22).
replacement
- Take the bottom cover off (the Keyboard/top cover section is on page 21). (printed page 36).
- Take the keyboard/top cover (the Keyboard/top cover section is on page 21). (printed page 36).
- Detach the battery lead from the main board (the Battery section is on page 27). (printed page 36).
- Take the WLAN module (the Battery section is on page 27). (printed page 36).
- Free the two ZIF connectors (1) carrying the USB port board leads are connected, and after that detach the USB port board leads from the main board. (printed page 36).
- Detach the screen webcam/microphone lead (2) from the main board. (printed page 36).
- Free the adhesive strip (3) that holds the screen panel lead to the main board. (printed page 37).
- Detach the screen panel lead (4) from the main board. (printed page 37).
- Detach the speaker lead (5) from the main board. (printed page 37).
- Take the six Phillips M2.0×4.1 fasteners (1) that hold the main board to the bottom cover. (printed page 37).
- Take the main board bracket (2). (printed page 37).
- Lift the left edge of the main board (3) until it rests at an angle. (printed page 37).
- Take the main board (4) by sliding it upward and to the left at an angle. (printed page 38).
- Take the main board. (printed page 38).
- Fit the replacement part by working back through the printed removal steps (printed page 38).
Parts this procedure uses
- HP Service Part L15345-001 (L15345-001)
- HP Service Part L15344-001 (L15344-001)
- HP Service Part L15343-001 (L15343-001)
- HP Service Part L15342-001 (L15342-001)
- HP Service Part L15341-001 (L15341-001)
Part numbers in our catalog
- HP motherboard L14339-001 (L14339-001)
- HP motherboard L14340-001 (L14340-001)
- HP motherboard L14341-001 (L14341-001)
- HP motherboard L14343-001 (L14343-001)
- HP motherboard L14344-001 (L14344-001)
- HP motherboard L26001-001 (L26001-001)
- HP motherboard L26004-001 (L26004-001)
- HP System board with N3350 processor, 4 GB memory and 16 GB eMM L15339-001 (L15339-001)
- HP System board with N3350 processor, 4 GB memory and 32 GB eMM L15340-001 (L15340-001)
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-chromebook-14-g5-system-board-replacement-p36