Compaq Presario 1900 Presario 1900 Series Maintenance and Service Guide - Page 50

Removing the, Processor

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Maintenance & Service Guide Presario 1900 Series Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920, 1922, 1925, 1926, 1927, 1928, 1929, and 1930 Before You Begin Removal Sequence Product Description Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Removal and Replacement Procedures Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly Battery Pack Hard Drive Keyboard Memory Module Modem Heatspreader Processor Display Panel Assembly Upper CPU Cover with Palmrest and TouchPad Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly Disassembling the Wedge DVD or CD Drive System to Wedge Interface Board Diskette Drive Wedge to Port Replicator Interface Board How to use Processor Jig Removing the Processor To remove the processor, complete the following steps: 1. Prepare the computer for disassembly. 2. Release and lift the keyboard. 3. Remove the heatspreader with thermal pad. 4. Remove two screws that secure the processor to the system board. The bottom of the processor contains socket IMPORTANT: pins which can be easily damaged, if not properly removed. WARNING: The Pentium II processor may be very hot when the unit has been running. Allow the processor to cool before handling it. 5. Insert a small blade screw driver under the right side of the processor. Gently lift up the left side of the processor while rocking up and down the right side, until the it releases from the socket. This is necessary to prevent damage to the socket pins. To replace the processor complete the following steps: 1. Align the processor over the socket using the screw holes as a guide. Apply equal pressure on both sides of the processor over the socket (left side). 2. Replace two screws. 3. Replace the heatspreader with thermal pad.

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Maintenance & Service Guide
Presario 1900 Series
Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920,
1922, 1925, 1926, 1927, 1928, 1929, and 1930
Before You Begin
Specifications
Parts Catalog
Removal Sequence
Troubleshooting
Battery Operations
Product Description
Pin Assignments
Index
Removal and Replacement Procedures
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
How to use
Processor Jig
Removing the
Processor
To remove the processor,
complete the following
steps:
1.
Prepare the computer
for disassembly.
2.
Release and lift the
keyboard.
3.
Remove the
heatspreader with
thermal pad.
4.
Remove two
screws that
secure the
processor to the
system board.
IMPORTANT:
The
bottom of
the
processor
contains
socket
pins
which can
be easily
damaged,
if not
properly
removed.
WARNING:
The Pentium
II processor
may be very
hot when
the unit has
been
running.
Allow the
processor to
cool before
handling it.
5.
Insert a small blade
screw driver under
the right side of the
processor.
Gently lift
up the left side of the
processor while
rocking up and down
the right side, until
the it releases from
the socket.
This is
necessary to prevent
damage to the socket
pins.
To replace the processor
complete the following
steps:
1.
Align the processor
over the socket using
the screw holes as a
guide.
Apply equal
pressure on both
sides of the processor
over the socket (left
side).
2.
Replace two screws.
3.
Replace the
heatspreader with
thermal pad.