Specifications

P
RESARIO
N
OTEBOOK
M
AINTENANCE AND
S
ERVICE
G
UIDE
1400 S
ERIES
T
ROUBLESHOOTING
17
Presario 1400 Series
Models: XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340,
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
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 for the topics in
the list below:
Since symptoms of different problems can appear to be similar, carefully match the symptoms of the
Notebook malfunction against the problem description in the Troubleshooting tables to avoid a
misdiagnosis.
Å
WARNING: To avoid a potential shock hazard during troubleshooting procedures,
disconnect all power sources before removing the keyboard cover or the
display bezel.
Audio (
pg 19
)
Battery (
pg 19
)
DVD or CD drive (pg 22
)
Diskette drive (
pg 23
)
Display (
pg 24
)
Hard drive (
pg 27
)
Hardware Installation (
pg 28
)
Memory Problems (
pg 30
)
PC Card (
pg 31
)
Power (
pg 32
)
Printer (
pg 33
)
Tou chPa d (
pg 34
)
Keyboard/Numeric keypad
(
pg 29
)