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United States January 2, 2003
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some
common hardware, memory, and software problems. It also explains several
types of common messages that may be displayed on the screen. The
following pages contain troubleshooting information on:
Audio Memory
Battery/Battery gauge PC Card
CD drive Power
Diskette/Diskette drive Printer
Display Touch Pad
Hard drive Keyboard/Numeric keypad
Hardware Installation
Since symptoms can appear to be similar, carefully match the symptoms of
the computer malfunction against the problem description in the
Troubleshooting tables to avoid a misdiagnosis.
WARNING: To avoid a potential shock hazard during troubleshooting procedures,
disconnect all power sources before removing the keyboard cover or the display
bezel.
Before Replacing Parts
When troubleshooting a problem, check the following list for possible
solutions before replacing parts:
● Verify that cables are connected properly to the suspected defective parts.
● Run Computer Setup after connecting external devices.
● Verify that all required device drivers are installed.
● Verify that all required changes have been made to the CONFIG.SYS file.
● Verify that all required changes have been made to the AUTOEXEC.BAT file.
● Verify that all printer drivers have been installed for each application.
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