Compaq 1275 Presario Select 1200 Series Maintenance and Service Guide - Page 24

Troubleshooting Without Diagnostics - drivers

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Presario 1200 Series Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275 Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index 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 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. Return to the Troubleshooting index page.

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Presario 1200 Series
Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
Before You Begin
Specifications
Parts Catalog
Removal Sequence
Troubleshooting
Battery Operations
Product Description
Pin Assignments
Index
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 drive
Power
Diskette/Diskette drive
Printer
Display
Touch Pad
Hard drive
Keyboard/Numeric keypad
Hardware Installation
Since symptoms can 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.
Return to the
Troubleshooting
index page.