Compaq 1200US Presario Select 1200 Series Maintenance and Service Guide - Page 21

Troubleshooting Without Diagnostics - drivers

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Maintenance & Service Guide Presario Series Models: 1246, 1247, 1277, 1278, and 1279 | 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. s Run Computer Setup after connecting external devices. s Verify that all required device drivers are installed. s Verify that all required changes have been made to the CONFIG.SYS file. s Verify that all required changes have been made to the AUTOEXEC.BAT file. s Verify that all printer drivers have been installed for each application.

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Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
|
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.