Product recycling

HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries.

For information about recycling HP components or products, see http://www.hp.com/go/recycle.

Component replacement guidelines

This section provides information and guidelines for removal and replacement procedures. It does not document the step-by-step procedures.

IMPORTANT: Removal and replacement procedures are now available in videos on the HP website.

Go to the HP Customer Self Repair Services Media Library at http://www.hp.com/go/sml. In Media Selection, choose the Desktops & Workstations product category and the Personal Workstations product family, then choose your platform

This chapter provides guidelines for removal and replacement procedures. Topics include:

Battery on page 81

Cable management on page 82

CPU (processor) and CPU heatsink on page 83

Expansion slots on page 84

Hard disk drives and optical disc drives on page 94

Memory on page 101

Power supply specifications on page 107

System board on page 109

Battery

The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. Observe the following warning and caution when replacing the battery.

WARNING! HP Z series Workstations use lithium batteries. There is a risk of fire and chemical burn if the battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose of in water or fire, or expose battery to temperatures higher than 60°C (140°F).

CAUTION: Before removing the battery, back up the CMOS settings in case they are lost when the battery is removed. Use the the Computer Setup (F10) Utility to back up the settings.

NOTE: Do not dispose of batteries, battery packs, and accumulators with general household waste.

Product recycling

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HP B2B94UT B2B94UT#ABA, Z220 F1J90UAABA, Z420 D3J34UT#ABA manual Product recycling, Component replacement guidelines, Battery