hp-support-head-portlet

Actions
Loading...

Welcome to HP Customer Support

hp-contact-secondary-navigation-portlet

Actions
Loading...

hp-share-print-widget-portlet

Actions
Loading...

hp-concentra-wrapper-portlet

Actions
Loading...

HP EliteBook 8540p Notebook PC - Removing and Replacing the RTC Battery

Introduction
This document is provided to assist in removing and replacing the RTC battery for the HP EliteBook 8540p Notebook PC.
Minimum skill level
The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.
Tools required
Small, Phillips-head (P00 and P1) screwdrivers
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the RTC battery that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
Battery for real-time clock (RTC) - Includes two-sided mounting tape
581075-001 (Modified)
Yes
  note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labeled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labeled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.
Summary of instructions
To view a video demonstrating the procedure for removing the RTC battery, click on the link below. Or use the product video listing on the HP Services Media Library, (Click here to go to HP Service Media Library) then select RTC battery from the menu on the upper left hand side of the screen.
Click here to view the RTC battery removal video (right-click on the link to open in a new window/tab).
RTC battery removal
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Disconnect the RTC battery cable from its connector on the system board.
  3. Gently peel the RTC battery off of the system board and remove it from its cut out on the base enclosure.
      note:
    The RTC battery is held in place by adhesive. It may be necessary to use a non-metallic flat bladed tool to aid you in its removal.
  4. Remove the RTC battery.
RTC battery replacement
  1. Place the RTC battery into its cut out on the base enclosure.
  2. Gently press down on the RTC battery to adhere it to the system board.
  3. Connect the RTC battery cable into its connector on the system board.

hp-feedback-input-portlet

Actions
Loading...

hp-online-communities-portlet

Actions
Loading...

Ask the community!


Support Forum

Support Forum

Join the conversation! Find Solutions, ask questions, and share advice with other HP product owners. Visit now


hp-feedback-banner-portlet

Actions
Loading...

hp-country-locator-portlet

Actions
Loading...
Country: Flag Romania

hp-detect-load-my-device-portlet

Actions
Loading...