Presario 1600XL Series

Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,

1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258

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 about:

Audio

Memory

Battery

PC Card

CD or DVD Drive

Power

Diskette Drive

Printer

Display

TouchPad

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 tables to avoid a misdiagnosis.

ÅWARNING: 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.

20 TROUBLESHOOTING

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES

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Compaq 1600XL specifications Troubleshooting without Diagnostics, Before Replacing Parts