Dell Inspiron PP09L, Owner'S Manual

Page: 84 / 186

84
Solving Problems
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.dell.com | support.dell.com
Unexpected Characters
Touch Pad or Mouse Problems
C HECK THE A C ADAPTER — Check the AC adapter cable connections. If the
AC adapter has a light, ensure that the light is on.
C ONNECT THE COMPUTER DIRECTLY TO AN ELECTRICAL OUTLET — Bypass
power protection devices, power strips, and the extension cable to verify that the
computer turns on.
E LIMINATE POSSIBLE INTERFERENCE —
Turn off nearby fans, fluorescent
lights, halogen lamps, or other appliances.
A
DJUST THE
P
OWER
P
ROPERTIES
—
See the Dell Inspiron Help file or search
for the keyword standby in the Windows Help and Support Center . To access
help, see page 18.
R ESEAT THE MEMORY MODULES —
If the computer power light turns on but
the display remains blank, reseat the memory modules. (For instructions, see
"Memory" on page 105.)
D ISABLE THE NUMERIC KEYPAD —
Press <Fn><Num Lk> to disable the
numeric keypad if numbers are displayed instead of letters. Verify that the
numbers lock light is not lit.
C HECK THE TOUCH PAD SETTINGS
1
Click the Start button, click Control Panel , and then click Printers and Other
Hardware .
2
Click Mouse .
3
Try adjusting the settings.
C HECK THE MOUSE CABLE — Shut down the computer (see page 103).
Disconnect the mouse cable and check it for damage. Firmly reconnect the cable.
If you are using a mouse extension cable, disconnect it and connect the mouse
directly to the computer.