HP ZBook 15u G6 rtc battery replacement

Step-by-step HP ZBook 15u G6 rtc battery replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL17255-001HP RTC (CMOS) battery L17255-001 for the HP ZBook 15u G6
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On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Part numbers in our catalog
  6. Manufacturer manual
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 32–49). 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 15u G6. Confirm the exact model on the service label before starting.

HP ZBook 15u G6 Mobile Workstation rtc battery replacement. HP prints the spare part table for this procedure on printed page 49.

Tools and parts

  • Non-conductive, non-marking pry tool, a magnetic Phillips P1 driver and a Torx T8 driver
  • Static-safe work surface
  • L17255-001 - RTC battery. Source: printed page 49.

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Its preparation for disassembly is on printed page 32: 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 (Preparation for disassembly on page 32). (printed page 32).
  2. Take off the bottom cover (see that procedure on page 32). (printed page 34).
  3. Detach the battery cable from the system board (see that procedure on page 44). (printed page 34).
  4. Detach the RTC battery cable carefully from the system board (1). (printed page 49).
  5. Using a flat tool (printed page 49).
  6. Install the rtc battery by working back through the printed removal steps (printed page 49).

Part numbers in our catalog

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-15u-g6-rtc-battery-replacement-p49

Key facts

HP document part number
L54463-001
Model
HP ZBook 15u G6
Release year
2019
Screen size
15.6"
Printed pages
32–49