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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

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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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Copyright
Revised: 19 Nov. 1999