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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1683, 1685, 1687, 1688, and 1690
United States June 27, 2004
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Maintenance & Service Guide for Presario 1600 Series (Models 1683-1694)
| Home Page | Notice | Preface | Product Description | Troubleshooting | Illustrated Parts Catalog |
Removal & Replacement Procedures | Specifications | Pin Assignments | Battery Pack Operations
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
Memory
PC Card
Power
Printer
Touch Pad
Keyboard/Numeric
Keypad
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
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.
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...3%201685%201687%201688%201690%201694/tswo.html (1 of 2)6/27/2004 2:57:49 AM