Troubleshooting Without Diagnostics - Compaq Presario 305 Maintenance And Service Manual

Before You Begin
Removal Sequence
Product Description

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
topics:
Audio
Memory
Battery/Battery gauge
PC Card
CD or DVD drive
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:
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
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.
Presario 305 Model
Specifications
Troubleshooting
Pin Assignments
following pages
Power
Diskette/Diskette drive
Printer
Display
Touch Pad
To avoid a potential shock hazard during
contain troubleshooting information on these
Hard drive
Keyboard/Numeric keypad
Hardware Installation
USB
Modem
www.compaq.com
Parts Catalog
Battery Operations
Index
and select Info