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Welcome to the Maintenance & Service Guide for the Presario
through 1267 series
Notice
Preface
Product
This online guide is designed to serve the needs of those whose job it is to
repair Compaq products
Maintenance & Service Guide
This Guide will be periodically maintained and updated online as needed
For content comments or questions, contact the Editor
Notice
First Edition (February 1999)
Compaq Computer Corporation
Maintenance & Service Guide
Preface
Maintenance and Service Guide
Symbols
The following words and symbols mark special messages throughout this guide
Serial Number
Locating Additional Information
The following documentation is available to support this product:
●Compaq Presario 1200 Series Portable Computer documentation set
●Introducing Windows 95 Guide
Product Description
Models and
Features
Controls and Lights
Left Side
Pentium- based portable computer allows full desktop functionality
Troubleshooting
If the problem is intermittent, check the
NOTE: computer several times to verify that the problem is solved
NOTE:
Illustrated Parts Catalog
System Unit
Cables
Boards
Miscellaneous Hardware &
Removal and Replacement Procedures
Battery Charger Board
Display Panel Assembly
Memory
Module
Specifications
Systeminterrupts
Memory Expansion
System DMA
Battery Pack
Weight
Model
Stand-Alone(Battery Pack) Power
Requirements
Nominal Operating
Compaq Home
Search
Products
Service
Worldwide
Connector Pin Assignments
Rear Connectors
Click on a link:
●Parallel Connector
●Serial Connector
Pin
Signal
Strobe
Acknowledge
Data Bit
Keyboard/Mouse
Data
Ground
Clock
External VGA Monitor
Data
Data +
Ground
Page
Battery Pack Operating Time
●Increase battery pack operating time
●Conditioning a battery pack
●Disposal of a used battery pack
Increasing Battery Pack Operating Time
Maximizing the Energy Stored
To maximize the energy stored in the battery pack, follow these guidelines:
●Store the battery pack in a cool, dry place when not in use
Return to the top of this page
Conditioning a Battery Pack
Disposal of a Used Battery Pack
Models & Features
Page
Controls and Lights
Controls and
Lights
Bottom of
Unit
9. Instant
Internet
Access
10. Instant
Search
Page
Left Side Components
Page
Right Side Components
Models and Features
Controls and Lights
Left Side Components
Right Side Components
Bottom of Unit
Rear Connectors
Power Management for Windows
1.AC Adapter
2.Parallel Printer Port
3.Serial Port
9. Security Slot
Power Management for Windows
Preliminary Steps
Return to Troubleshootingindex page
Return to preliminary stepspage
Return to Troubleshootingindex page
Page
Running POST
RAM failure
1. Replace the memory modules
2. Replace the system board
Memory test data error
2. Replace the system board
605-DisketteDrive Error
Mismatch in drive type
1780-PrimaryHard Drive 0 Failure
Disk 0 failed to respond
Replace the hard drive
Computer Checkup (TEST)
Return to top of this page
View System Information (INSPECT)
or to Preliminary stepspage
or to the Troubleshootingindex page
Diagnostic Error Codes
501 through
Hard Drive Test
2402 through
Video Test
2458 through
Keyboard Test Error Codes
Failed ID Test
Check the keyboard connection. If
disconnected, turn off the computer
Failed Selftest/Interface Test
Serial Test Error Codes
Serial port test failed
1. Check port configuration
2. Replace the system board and retest
Hard Drive Test Error Codes
Video Test Error Codes
Video controller test failed
Video memory test failed
Video attribute test failed
Video character set test failed
Audio Test Error Codes
Audio System Internal Error
TouchPad/Pointing Device Interface Test Error Codes
Mouse test failed
1. Replace the TouchPad and retest
Interface test failed
CD Drive Test Error Codes
Return to the Troubleshootingindex page
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Solving Minor Problems
Solving Audio Problems
Some common audio problems and solutions are listed in the following table
Solving Audio Problems
This is typical; it indicates successful
Battery charge is low
Immediately save any open file(s)
icon is blinking
Then do any one of the following:
Connect the computer to an
Solving CD Drive Problems
Solving CD Drive Problems
CD drive cannot read a compact disc
Compact disc is upside down or is
Open the CD loading tray, lay the
Solving Display Problems
1.Turn off the monitor
2.Turn off the computer
3.Disconnect the monitor signal cable from the computer
4.Turn on the monitor and allow it to warm up for one minute
Defective inverter board
Defective display cable
Defective display panel. Defective system board
Defective system board
Replace the display assembly
Solving Hard Drive Problems
Solving Hard Drive Problems
Reading hard drive takes an
System entered Hibernation due to
Give the system time to restore the
Solving Hardware Installation Problems
Solving Hardware Installation Problems
Solutions(s)
A new device is not recognized as part
Cable(s) of new external device are
or return to the Troubleshootingindex page
Contacting Compaq Support
Shipping Preparation
4.Close the display and all exterior doors of the computer
Return to Compaq Diagnosticspage or Troubleshooting Indexpage
System Unit
System Unit
Boards
Display
Assembly
Battery Packs:
Boards
System Unit
Place cursor over each device to attain its part number
Boards
Mass Storage
Page
Display Panel Assembly:
Page
Mass Storage Devices
System Unit
Boards
Mass Storage Devices
Miscellaneous Cable Kit
Page
Miscellaneous Cables Kit
Place cursor over each device for a description of that item
Spare Part Number:
Power Cord
US/French Canada
Modem Cables
Asia Pacific w/adapter
Page
Miscellaneous Hardware and Plastics Kit
Page
Miscellaneous Parts
Miscellaneous Screw Kit (Not Shown)
Page
Documentation and Software
Page
Electrostatic Discharge
Generating Static
Relative Humidity
Event
10%
40%
55%
Walking across carpet
Tool and Software Requirements
Screws
Return to Removal & Replacement Procedures
Cables and Connectors
●Handle cables by the connector whenever possible
Handle flex cables with extreme care; they can tear easily
Select the desired illustration
●Removing a Cable from a ZIF Connector
Return to Removal & Replacement Procedures
Revised: 25 February
Preparing the Computer for Disassembly
Electrostatic Discharge
Service Considerations
Cables and Connectors
Preparing the Computer for Disassembly
Dip Switch
Settings
Memory
Module
Return to Removal & Replacement Procedures
Removing the Battery Pack
Page
Removing the Palmrest Cover with Touch Pad
Electrostatic
Discharge
Considerations
Cables and
Speaker
2. Close the
computer and turn
the computer upside
Diskette Drive
Removing the Heatspreader
heatspeader
Removing the Keyboard
heatspreader
5.Disconnect the flex cable from the ZIF connector on the system board
6.Disconnect the flex cable from the ZIF connector on the system board
To replace the keyboard, reverse the previous procedures
Return to Removal & Replacement Procedures
Removing the Processor
Charger
Board
Panel
Diskette
Drive
Removing the Hard Drive
two screws from the hard drive mounting bracket and lift up the hard drive
Removing the CD Drive
the back CD drive
Removing the Battery Charger Board
To remove the battery charger board, complete the following steps:
Prepare the
computer for disassembly
2.Remove the palmrest cover with touch pad
To replace the battery charger board, reverse the previous procedures
Removing the Modem
modem off
the
connector on
the system
board
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Removing the Upper CPU Cover
6.Remove the display panel assembly
To replace the Upper CPU cover, reverse the previous procedures
Removing the Speaker Assembly
drive
7.Remove the Upper CPU cover
8.Remove the charger board
To replace the speaker assembly, reverse the previous procedures
Removing the Diskette Drive
7.Remove battery charger board
8.Remove the screw from the diskette drive and lift up the diskette drive
Ensure the diskette drive eject lever is properly
NOTE: inserted in the
chassis slot, when replacing the diskette drive
Removing the Fan Assembly
assembly
6.Remove the hard drive
Removing the System Board
Memory Module
10.Remove the battery charger board
11.Remove the diskette drive
12.Remove the CD drive
13.Remove the fan
Page
Page
Removing the Memory Module
door, and
slide the
memory
module
door to the
System Interrupts
Opti Viper Max Dual PCI IDE Controller
IRQ15
Secondary IDE controller (dual fifo)
Return to the index list of Specifications
System DMA
Standard Floppy Disk Controller
(free)
Direct memory access controller
System I/O Address
x01F0 - x01F7
x01F0
- x01F7
- x022F
x02F8 - x02FF
System Memory Catalog
Page
Display
275 mm
6.8 mm
Active Area
9.56
245 mm
7.17
183.8 mm
Memory Expansion
Specifications
Battery Pack
Diskette Drive
15 (Max)
Page
Hard Drives
33.3 MB/S
5.0-GB
6.4-GB
5.02 GB
6.49 GB
Heads
CD Drive
