Specifications

P
RESARIO
N
OTEBOOK
M
AINTENANCE AND
S
ERVICE
G
UIDE
1400 S
ERIES
T
ROUBLESHOOTING
29
Presario 1400 Series
Models: XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340,
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Solving Keyboard and Numeric Keypad Problems
Some causes and solutions for common keyboard and numeric keypad problems are listed in the
following table.
Solving Keyboard/Numeric Keypad Problems
Problem Probable Cause Solution
Embedded numeric keypad
on Notebook keyboard is
disabled.
Num Lock function is not
enabled.
Press the Shift + NumLk
keys to enable the Num Lock
function and embedded
numeric keypad. The
Num Lock icon on the status
panel turns on.
Embedded numeric keypad
is disabled and Num Lock
function is on.
External numeric keypad is
connected to the Notebook.
Disconnect the external
numeric keypad from the
Notebook.