Maintenance & Service Guide
Presario 3500 Series Personal Computers

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Removal and Replacement

RTC Battery

Disassembly Sequence Hood Mass Storage Devices Fax/Modem Riser Board Memory Processor Fan Processor RTC Battery Power Supply System Board Connectors System Board Front Bezel Button Board I/O Board ¡@

Removal 1. Perform the preparation for disassembly procedure. 2. Remove the hood. 3. Locate the RTC battery. 4. Push out the socket levers 1 and slide the RTC battery out of the socket 2. End of sequence Replacement To replace RTC battery, reverse the removal procedure. WARNING:  The clock/CMOS lithium battery may explode if mistreated. Do not abuse. Use only replacement batteries supplied by Compaq Computer Corporation.

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Revised: 19 Nov. 1999