HP MP4 manual Removing and replacing the battery

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3.Turn the chassis upside down. Align the hooks (1) on the underside of the bottom cover with the slots in the chassis and press the cover (2) down and then forward until it locks in place.

Figure 2-6Replacing the bottom cover

4.Replace the stand, if the digital signage player is to be used in the tower orientation.

Removing and replacing the battery

Before beginning the replacement process, review General hardware installation sequence on page 7 for procedures you should follow before and after installing or replacing hardware.

WARNING! You must remove the left side panel to access the battery. Before removing the side access panel, ensure that the digital signage player is turned off and the power cord is disconnected from the electrical outlet.

To remove and replace the battery:

1.Locate the battery on the system board.

Removing and replacing the battery 11

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Contents Hardware Reference Guide First Edition February Document Part Number About This Book Iv About This Book Table of contents Preventing electrostatic damage Grounding methods Front panel components Product featuresStandard features Rear panel components Installing the rubber feet4Installing the stand Installing the standRemoving the stand Using the power cord retention slotCtrl key Using the keyboardAdditional function keys Serial number locationWindows Logo Key Hardware changes General hardware installation sequenceRemoving the side access panel Removing the left metal side cover 2Removing the side access panelReplacing the left metal side cover Replacing the side access panelRemoving and replacing the battery Installing a Sodimm Installing digital signage player optionsPage Page Page Installing a flash memory module Page Installing external drives Table A-1HP MP4 Digital Signage Player SpecificationsSecuring the digital signage player Security provisionsHP Quick Release Mounting the digital signage playerPage Supported mounting options Figure C-4Connecting the digital signage playerPage Supported orientations Digital signage player operationRoutine digital signage player care Page Non-supported orientation Grounding methods Electrostatic dischargePreventing electrostatic damage Shipping preparation Important service repair informationShipping information Index