Troubleshooting Without Diagnostics; Before Replacing Parts - Compaq Presario 1600 - Notebook PC Maintenance And Service Manual

Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface
Removal & Replacement Procedures

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
Battery/Battery gauge
CD drive
Diskette/Diskette drive
Display
Hard drive
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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| Troubleshooting
Specifications | Connector Pin Assignments
Memory
PC Card
Power
Printer
Touch Pad
Keyboard/Numeric keypad
| Illustrated Parts Catalog
| Battery Pack