Troubleshooting Without Diagnostics - Compaq Presario,Presario 18XL390 Supplementary Manual

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.
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CAUTION: Carefully match the symptoms against the problem described to avoid
a misdiagnosis.
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WARNING: To avoid a potential shock hazard during troubleshooting procedures,
disconnect all power sources before removing the keyboard cover or the display
bezel.
Select from the following to diagnose and solve problems related to each topic:
Audio
Battery
CD or DVD Drive
Diskette Drive
Display
Hard Drive
Hardware Installation
Before Replacing Parts
Verify that all cables are properly connected to the parts that are to be tested.
•
Run 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.
•
Check the printer connection.
•
18 T
ROUBLESHOOTING
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Keyboard/Numeric Keypad
Memory
PC Card
Power
Printer
TouchPad
P
RESARIO
N M S
OTEBOOK AINTENANCE AND
G 1800 S
ERVICE UIDE ERIES