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Maintenance & Service Guide
Presario 305 Model

MSG Index | 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 these topics:

Audio Power Hard drive
Memory Diskette/Diskette drive Keyboard/Numeric keypad
Battery/Battery gauge Printer Hardware Installation
PC Card Display USB
CD or DVD drive Touch Pad Modem

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.GIF (918 bytes) 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 items for possible solutions before replacing parts:

  • Verify that cables are connected properly to the suspected defective parts.
  • Verify that all required device drivers are installed.
  • Verify that all printer drivers have been installed for each application.

 Obtaining Update Information with Info Messenger

Compaq Info Messenger allows you to set a customized search of the Compaq Web site. By registering for this utility, you can stay up to date with software and hardware information specific to your system.

  • To access Compaq Info Messenger, go to www.compaq.com and select Info Messenger.
  • To register, follow the instructions on the Info Messenger page. When your registration is complete, you can
    • implement your customized search whenever you prefer from the Info Messenger page.
    • set Info Messenger to send you the information by email as it becomes available.

Info Messenger will also inform you if there are updates to the system ROM for your computer.

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