Maintenance & Service Guide

Presario 1900 Series

Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920,

1922, 1925, 1926, 1927, 1928, 1929, and 1930

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

 

Product Description

 

Pin Assignments

 

Index

 

 

 

 

 

Troubleshooting

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/DVD 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

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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HP 1925, 1930, 1915, 1920 manual Troubleshooting Without Diagnostics, Before Replacing Parts