Maintenance & Service Guide
Presario 1900 Series
Models: XL1, XL160, XL161, XL162, XL163, and XL165
Before You Begin |
| Specifications |
| Parts Catalog |
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Removal Sequence |
| Troubleshooting |
| Battery Operations |
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Product Description |
| Pin Assignments |
| Index |
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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 |
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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.